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ANDO ELECTRIC AQ4321 A Instruction Manual

Tunable laser source
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  • Page 1 sales@artisantg.com artisantg.com (217) 352-9330 | Click HERE Find the Yokogawa / Ando AQ4321D at our website:...
  • Page 2           AQ4321 A/D Tunable Laser Source Instruction Manual ANDO ELECTRIC CO., LTD. © Copyright ANDO ELECTRIC CO., LTD. JAPAN 2002 AS-62517-11 Rev. 1.8 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 ANDO’s product must be performed by a service engineer approved by ANDO ELECTRIC CO.,LTD. Ando Electric will replace, at no charge, the defective product(s) that occur within one year of the original date of product delivery. However, the defects due to an operation error, modification or retrofit by the customer, or those caused by the natural disasters are serviced with charge.
  • Page 4 Hazard Identification This manual uses the following hazard identification markings that the operators and service personnel must be aware of all hazards associated with this system. 1. Dangers, Warnings, Cautions, and Notes (1) Priority of hazard information The priority of hazard information is as follows: Dangers >...
  • Page 5 ○ Read this manual and the precautions for safety in it carefully before using the device. ○ Maintain this manual at a location easy to access. Precautions for Safety This manual employs the following safety alert symbols to provide basic safety rules and precautions. They are intended to ensure correct use of the product and thus to prevent personal injury that could occur to your or other persons and physical damage.
  • Page 6 This symbol identifies hazards which can result in fuming or fire hazard if this caution or safety rule is unheeded and they system is improperly handled or operated. This symbol identifies hazards which can result in electric shock if this precaution or safety rule is unheeded and the system is improperly handled or operated.
  • Page 7 Setup and Installation Work Precautions intended for setup and installation personnel Avoid disorderly, complex wiring from the power supply, otherwise cable overheating or fire hazard can result. Insert the power plug securely to the plug outlet, otherwise fire hazard or electric shock can result if a metal piece touches the power plug.
  • Page 8 Banned actions in the system installation Don't try to move the system without making sure that the power plug has been removed from the plug outlet and external connection cables have been disconnected. Don't block the system ventilation hole, otherwise fire hazard can result from the entrapped heated air inside the system.
  • Page 9 Usage Operate the system in accordance with the procedure provided in the instruction manual. When a safety alert symbol (Warning, Danger or Caution mark) is provided, operation instructions provided in the manual must be heeded. Area surrounding the system must be free of a water filled container or metal pieces, otherwise fire hazard, electric shock or system failure can result from the spilt water or dropped metal piece.
  • Page 10 Actions Required for a System Failure If the power cord is damaged, contact us for its replacement. Continued use of such cord can cause fire hazard or electric shock. Should a foreign substance dropped into the system, turn the system power off first, then remove the power cord from the plug outlet and contact us.
  • Page 11 Initial Safety Information for Laser Source The Specifications are as follows: AQ4321A AQ4321D Laser Type EC-Laser(*1) EC-Laser(*1) Laser Class InGaAsP InGaAsP ⅢA ⅢA According to 21CFR1040.10 According to IEC825-1,EN60825-1 Outout Power +10dBm(typcal) +7dBm(typcal) 10 μ m 10 μ m Beam Diameter Numerical Aperture Wavelength 1480 to 1580 nm...
  • Page 12 WARNING Use of controls or adjustments or performance of procedures other than those specified for the laser source may result in hazardous radiation exposure. WARNING Refer Servicing only to qualified and authorized personnel WARNING Do not emit a laser light when an optical fiber is not connected on the optical output connector. The optical output connector is located on the front panel.

  • Page 13: Table Of Contents

    Table of Contents Chapter 1 Outline 1.1 System Outline 1.2 Specifications 1.3 Configuration Chapter 2 Before Use 2.1 Unpacking and Acceptance Inspection 2.1.1 Acceptance inspection 2.1.2 Operation checkout 2.2 If a Damage or a Problem is found 2.3 Re-packing 2.4 Safety Precautions of Electrical System 2.4.1 Polarity of power cord 2.4.2 Protection by grounding 2.4.3 Replacing the fuses...
  • Page 14 5.1.2 Connecting and Removing of Connector Adapter 5.1.3 Cleaning of Light Output Part 5.2 Turning on and Checking 5.3 Turning off 5.4 How to Operate 5.4.1 Common Operating Method 5.4.2 Software Key Main Menu 5.4.3 SWEEP MENU 5-11 5.4.4 OFFSET 5-14 5.4.5 TLS SET 5-18...
  • Page 15 Chapter 10 Maintenance 10-1 10.1 Instruments and Tools required 10-1 10.2 Periodical Inspection 10-1 10.3 Cleaning 10-2 Figure and Table contents Fig. 2-1: Three-pole power cord Fig. 2-2: Replacing the power fuses Fig. 4-1: Operation unit arrangement Fig. 4-2: Main screen status where all LCDs come on Fig.
  • Page 16 Table 1.2: List of AQ4321 accessories Table 2-1: Power fuse Table 4-1: Operation unit name and function Table 4-2: Contents of main screen display Table 4-3: Setting and contents of LCD screen color Table 4-4: Screen color adjusting item Table 4-5: Correspondence table of AQ4321 operation part and keyboard operation Table 5-1: Range of setting of wavelength/optical frequency (A/D) 5-16 Table 5-2: Program command list...
  • Page 17 Attached diagram table Applying Figure 1: AQ4321 screen menu system chart Outside view of AQ4321A Tunable Laser Source ASD-62517-11-1/3 Outside view of AQ4321A Tunable Laser Source (Front) Outside view of AQ4321A Tunable Laser Source (Rear) Note The externals chart attached to this manual is only AQ4321A. It is common in all models excluding the model name.

  • Page 18: Chapter 1 Outline

    Chapter 1 Outline 1.1 System Outline Chapter 1 Outline This publication explains how to use the AQ4321A/D variable wavelength optical source (called the "AQ4321 system"). System Outline The AQ4321 system is the highly reliable optical source whose emission wavelength can be adjusted highly accurately.

  • Page 19: Specifications

    Chapter 1 Outline 1.3 Configuration Specifications Table 1-1 lists the AQ4321 system specifications. Table 1-1: AQ4321 specifications (1 of 4) Model AQ4321A Note Wavelength changeable width 1480 to 1580nm Wavelength resolution 0.001nm ≦ ±0.015nm,±0.01nm[typ] Note 1,Note 2,Note 3 Absolute wavelength accuracy ≦±0.01nm Note 2,Note 3,Note 4 ≦±0.01nm[typ]...
  • Page 20 Chapter 1 Outline 1.3 Configuration Table 1-1: AQ4321 specifications (2 of 4) Model AQ4321D Note Wavelength changeable width 1520 to 1620nm Wavelength resolution 0.001nm ≦ ±0.015nm,±0.01nm[typ] Note 1,Note 2,Note 3 Absolute wavelength accuracy ≦±0.01nm Note 2,Note 3,Note 4 ≦±0.01nm[typ] Relative wavelength accuracy Note 1,Note 2,Note 3 Wavelength stability ±100MHz/h (±0.8pm/h)[typ]...
  • Page 21 Chapter 1 Outline 1.3 Configuration Table 1-1: AQ4320 specifications (3 of 4) Option : AQ9441(SC) Connector adaptor AQ9441(ST) Connector adaptor Table 1-1: AQ4320 specifications (4 of 4) Model Note Display 6.5 color LCD panel GP-IB IEEE488.1 satisfied RC-232C Cross cable supported KEY BOARD input IBM compatible DISPLAY output...

  • Page 22: Configuration

    Chapter 1 Outline 1.3 Configuration Configuration The AQ4321 consists of the following standard and optional accessories. Table 1.2: List of AQ4321 accessories Accessory name Description 1 Instruction manual 2 Floppy disks 3 FC connector adapter 1 Mounted on the [OPT OUT] section (Fig.4-1 8 ) of the front panel.

  • Page 23: Chapter 2 Before Use

    Chapter 2 Before Use            2.1 Unpacking and Acceptance Inspection Chapter 2 Before Use This chapter explains the unpacking and re-packing procedures, acceptance inspection, and general notes you must use. Follow these instructions before using your AQ4321 system. Unpacking and Acceptance Inspection All of AQ4321 components have been tested mechanically and electrically and their normal operations are assured at factory.

  • Page 24: Re-Packing

    Chapter 2 Before Use        Re-packing Re-packing If you transport your AQ4321 again, reuse its containers you keep in your place. If you have lost them or if these containers are damaged, use the following re-packing procedure. (1) Wrap all of AQ4321 components using the heavy-duty paper sheets or polyethylene sheets. Protect each corner of components using cushion materials.

  • Page 25: Safety Precautions Of Electrical System

    Chapter 2 Before Use        2.4 Safety Precautions of Electrical System Safety Precautions of Electrical System The AQ4321 system operates normally when connected to the 100 to 120VAC or 200 to 240VAC (50/60Hz) power source. Use the following safety instructions to avoid the listed problems. Possible problems: ・Electrical shock ・Component damage due to abnormal voltage...

  • Page 26: Protection By Grounding

    Chapter 2 Before Use        2.4 Safety Precautions of Electrical System 2.4.2 Protection by grounding (1) Grounding by three-pole power cord If the three-pole receptacle is available, you can match the polarities of power cord by just plugging the power cord into the receptacle. The AQ4321 cabinet is grounded. 2−...

  • Page 27: Replacing The Fuses

    Chapter 2 Before Use        2.4 Safety Precautions of Electrical System 2.4.3 Replacing the fuses The power fuses are mounted in the AC LINE connector module of the AQ4321 rear panel. Table 2-1 gives the fuse specifications, and Fig. 2-2 gives the fuse replacement procedure. Table 2-1: Power fuse Power voltage Power fuse...

  • Page 28: Exchange Of Built-In Battery

    Chapter 2 Before Use        2.4 Safety Precautions of Electrical System Warning Before replacing the power fuses, turn the AQ4321 power switch OFF first, then unplug the power cord from the receptacle. You may be shocked if the AQ4321 is powered. After fuse replacement, check the system grounding and the AC power voltage.

  • Page 29: Chapter 3 Precautions On Operation

    Chapter 3 PRECAUTIONS ON OPERATION 3.1 Operating Temperature Range Chapter 3 PRECAUTIONS ON OPERATION This chapter explains precautions on operation. 3.1 Operating Temperature Range The guaranteed operating temperature range is +10 to +35℃. 3.2 Environmental Conditions Since this system has a super-high-precision built-in light module, sufficient care is required for temperature, shock and vibration during storage or transportation.

  • Page 30: Precautions On Handling

    Chapter 3 PRECAUTIONS ON OPERATION 3.3 Precautions on Handling 3.3 Precautions on Handling 1) This system applies to laser classⅠ. 2) Do not apply excessive shock to the system. Otherwise, the display unit, in particular, may break since it is made of glass although covered with plastic. 3) Do not leave the system under a hot or humid environment for a long time.

  • Page 31: Precautions For Using Optical Parts

    Chapter 3 PRECAUTIONS ON OPERATION 3.4 Precautions for Using Optical Parts 3.4 Precautions for Using Optical Parts Fully observe the following precautions since the stability of the system may deteriorate if the optical connector is damaged. 1) Do not use the system at a dusty place. 2) Connect an optical fiber free from a flaw on the edge to the system.

  • Page 32: Precautions For Outputting Stable Light

    Chapter 3 PRECAUTIONS ON OPERATION 3.5 Precautions for Outputting Stable Light 3.5 Precautions for Outputting Stable Light This system may fail to output stable light after optical connector return loss is increased due to flaws or stains on the connector. Be sure to follow the precautions below during operation.
  • Page 33 Chapter 3 PRECAUTIONS ON OPERATION 3.5 Precautions for Outputting Stable Light 5. Avoid using it at a dusty place. 6. Do not connect an optical fiber to the system using a bare fiber adapter, or the connector may be damaged. 7.

  • Page 34: Chapter 4 Function

    Chapter 4 FUNCTION 4.1 Operation Unit Chapter 4 FUNCTION This chapter explains the functions of the operation and display units. 4.1   Operation Unit Fig. 4-1 shows the operation unit arrangement and Table 4-1 shows the names and functions corresponding to the numbers in the figure.                      2          3      4                          6       7        ...
  • Page 35 Chapter 4 FUNCTION 4.1 Operation Unit Fig. 4-1: Operation unit arrangement Table 4-1: Operation unit name and function (1/2) Name Indication on system Function Floppy disk drive Used for saving and reading the program files (FDD) (refer to 5.4.6). Liquid crystal display Displays the light emitting wavelength and (LCD) conditions of the light source.
  • Page 36 Chapter 4 FUNCTION 4.1 Operation Unit Table 4-1: Operation unit name and function (2/2) Name Indication on system Function 18 KEYBOARD connector KEYBOARD Connector for the keyboard. IBM-compatible keyboard can be used. 19 DISPLAY connector DISPLAY Connector for the external display. VGA color display capable of displaying in 16 colors can be used.

  • Page 37: Display Screen (Lcd)

    Chapter 4 FUNCTION 4.2 Display Screen (LCD) 4.2   Display Screen (LCD) 4.2.1 Main Screen Fig. 4-2 shows the status where all LCDs come on and Table 4-2 shows the contents of the display.              24         19  18      17   20      23          11    12    13    14  15  16   Fig. 4-2: Main screen status where all LCDs come on 4−...
  • Page 38 Chapter 4 FUNCTION 4.2 Display Screen (LCD) Table 4-2: Contents of main screen display (1/2) Name Indication on system Contents Light emitting Wavelength Displays the wavelength/light frequency for Wavelength emitting light. /frequency Light power level Power Displays the light power level setting. Sweeping wavelength Displays the sweeping range /light frequency range...
  • Page 39 Chapter 4 FUNCTION 4.2 Display Screen (LCD) Table 4-2: Contents of main screen display (2/2)   Name Indication on system Contents 16 Sweep stop wavelength STOP WL FREQ Displays the sweep stop wavelength /light frequency /light frequency. 17 Year, month, day and YMD, MDY or DMY Displays year, month, day and time.

  • Page 40: Lcd Setting Screen

    Chapter 4 FUNCTION 4.2 Display Screen (LCD) 4.2.2 LCD Setting Screen This section explains the items to be set relating to the screen color and their contents. Select <SYSTEM>, <MISC> and <COLOR> in this order on the software menu. Then press the <LOAD COLOR>...
  • Page 41 Chapter 4 FUNCTION 4.2 Display Screen (LCD) Table 4-3: Setting and contents of LCD screen color Item Contents Pattern No. Displays the screen color pattern No. The number is set in the range of 0 to 9. Adjusting item No. Displays the adjusting item No. For details, refer to Table 4-4.

  • Page 42: Keyboard Operation

    Chapter 4 FUNCTION 4.3 Keyboard operation 4.3  Keyboard operation The AQ4321 has the standard KEYBOARD connector to the back. When you attach a IBM-compatible keyboard, you can set up and modify each AQ4321 parameter and send and receive data. Caution Always turn OFF the POWER switch ("...

  • Page 43: Chapter 5 Operation

    Chapter 5 OPERATION                      5.1 Before Operation Chapter 5 OPERATION This chapter explains how to use this system and its various units. 5.1   Before Operation 1) Check that the [POWER] switch is set at [    OFF]. 2) Check that the fuse in the power supply plug socket has the specified capacity. 3) Check that the power supply voltage is applicable to the input voltage of this system.

  • Page 44: Opening And Closing Of Connector Protection Cap

    Chapter 5 OPERATION                      5.1 Before Operation 5.1.1 Opening and Closing of Connector Protection Cap The system is equipped with a connector protection cap in order to protect the light output part from dust or dirt. Be sure to close this cap when the system is not in used. Fig.

  • Page 45: Cleaning Of Light Output Part

    Chapter 5 OPERATION                      5.1 Before Operation 5.1.3 Cleaning of Light Output Part Before connecting an optical connector (e.g. optical fiber cord) to the connector adapter, be sure to clean the connector connection and light output part. Otherwise, the connector and the optical parts of the system may be damaged by dust or dirt.
  • Page 46 Chapter 5 OPERATION                      5.1 Before Operation 3) Cleaning of optical connector to be connected Wipe off stains on the optical fiber connector ferrule and edge to be connected using a cleaning paper slightly wet with absolute alcohol (always use a new cleaning paper). Note Since stains may remain after cleaning using absolute alcohol depending on wiping methods, it is recommended to check the connector edge using a microscope, etc.

  • Page 47: Turning On And Checking

    Chapter 5 OPERATION 5.2 Turning on and Checking 5.2   Turning on and Checking After checking the power supply and connection by referring to 5.1, turn this system on as follows: 1) Turn the [POWER] switch to [ ON]. 2) Since the control software inside this system is designed using MS-DOS, call the MS-DOS start-up screen first and then initialize the system.

  • Page 48: Turning Off

    Chapter 5 OPERATION 5.2 Turning on and Checking 3) STATUS indicates the current status of the system. NORMAL: Heating-up operation has been completed and the system is ready for normal operation.  The state confirmation on the start-up screen is necessary. STANDBY: Heating-up operation is being performed.

  • Page 49: How To Operate

    Chapter 5 OPERATION                5.4 How to Operate 5.4   How to Operate This section explains how to operate this system. 5.4.1 Common Operating Method (1) How to input parameter a) Pressing the software key when entering a parameter changes the color of the part displaying the numeric value to be entered on the screen.
  • Page 50 Chapter 5 OPERATION                5.4 How to Operate c) Using numeric keys Numeric values can be entered by inputting them using numeric keys and pressing the [ENTER] key. If you press a wrong numeric key, the entered value can be cleared by pressing the [BACK SPACE] key.

  • Page 51: Software Key Main Menu

    Chapter 5 OPERATION                5.4 How to Operate 5.4.2 Software Key Main Menu The software keys on the initial screen are displayed as shown below after turning this system on. The numbers on the right of the keys (e.g. 1-1 and 1-2) indicate the sections where description on each key is provided.
  • Page 52 Chapter 5 OPERATION                5.4 How to Operate 1-1 <WL/FREQ/POWER> key This key is used for setting the light emitting wavelength (or light frequency) and the light power. The object to be set is switched alternatively between the wavelength or the light frequency (WL or FREQ) and the light power (POWER) every time the software key is pressed, highlighting the selected key characters.

  • Page 53: Sweep Menu

    Chapter 5 OPERATION                5.4 How to Operate 5.4.3 SWEEP MENU This menu is used for starting and stopping sweeping the wavelength/light frequency and setting the sweeping conditions.     REPEAT START SWEEP (FREQ) MENU SINGLE STOP STOP (FREQ) (RESTART) STEP MODE STEP (FREQ)
  • Page 54 Chapter 5 OPERATION                5.4 How to Operate  1-1 <REPEAT> key This key is used for repeatedly sweeping the wavelength. During sweeping the wavelength, only the <SINGLE> key and <STOP> key is enabled and all other keys disabled. 1-2 <SINGLE> key This key is used for sweeping the wavelength once.
  • Page 55 Chapter 5 OPERATION                5.4 How to Operate 1-6 < POWER > key The value of an optical output is set. A similar operation to 5.4.2 main menu optical output (POWER) of 1-1< WL/FREQ/POWER > key can be done. Refer to the optical output range setting in Table 5-1 for details of a set item. ******************************************************************************** 2-1 <START WL/FREQ>...

  • Page 56: Offset

    Chapter 5 OPERATION                5.4 How to Operate 5.4.4 OFFSET This menu is used for setting the light emitting wavelength (light frequency) using the offset amount of the base wavelengths (light frequencies). BASE (FREQ) OFFSET OFFSET (FREQ) BASE UNIT nm<->THz OFFSET UNIT nm<->THz WL/FREQ...
  • Page 57 Chapter 5 OPERATION                5.4 How to Operate 1-1 <BASE WL/FREQ> key This key is used for setting the base wavelength/light frequency. Please refer to the base wavelength /the base optical frequency setting in Table 5-1 for details of a set item. Luminescence wavelength/an optical frequency becomes becoming to 0nm/THz if standard wavelength/an optical frequency is set offset wavelength/an optical frequency as well as standard wavelength/an optical frequency.
  • Page 58 Chapter 5 OPERATION                5.4 How to Operate Table 5-1 (1/2):Range of setting of wavelength/optical frequency (A)   Menu display AQ4321A Step Wavelength range set 1480.000 to 1580.000nm 0.001nm Optical frequency range set FREQ 189.7421 to 202.5625THz 0.0001THz Optical output range set POWER -20.0 to +8.0dBm 0.1dBm...
  • Page 59 Chapter 5 OPERATION                5.4 How to Operate Table 5-1 (2/2):Range of setting of wavelength/optical frequency (D)   Menu display AQ4320D Step Wavelength range set 1520.000 to 1620.000nm 0.001nm Optical frequency range set FREQ 185.0571 to 197.2319THz 0.0001THz Optical output range set POWER -20.0 to +7.0dBm 0.1dBm...

  • Page 60: Tls Set

    Chapter 5 OPERATION                5.4 How to Operate 5.4.5 TLS SET This menu is used for setting the light power mode for CW, CHOP, etc., the screen display unit and so forth. 0.27kHz LINEWIDTH NARROW WIDE 1kHz TLS SET 2kHz INT CHOP EXT CHOP MEMORY1 10.00kHz...
  • Page 61 Chapter 5 OPERATION                5.4 How to Operate 1-1 <LINEWIDTH> key This key is used for switching the spectral linewidth.Two widths, "WIDE" and "NARROW", are switched every time it is pressed, highlighting the selected key characters. When "NARROW is set, light having a narrow spectral line is emitted from the system. Narrow spectral lines may cause interference due to light return and thus deteriorate light intensity stability depending on the light line to be used.
  • Page 62 Chapter 5 OPERATION                5.4 How to Operate 1-6 <MORE> key The menu of the lower layer is displayed (see 2-12). ******************************************************************************** 2-1 <0.27kHz> key This key is used for setting the internal chop frequency at 0.27kHz. 2-2 <1kHz> key This key is used for setting the internal chop frequency at 1kHz. 2-3 <2kHz>...
  • Page 63 Chapter 5 OPERATION                5.4 How to Operate 2-8 <STEP> key This key is used for selecting whether the wavelength (nm) or frequency (THz) is used for the unit of the wavelength/light frequency sweeping interval. The unit is switched every time it is pressed, highlighting the selected software key characters. 2-9 <POWER>...
  • Page 64 Chapter 5 OPERATION                5.4 How to Operate 5.4.6 PROGRAM This is used for displaying the program list. Light emitting conditions, sweeping procedure and the like can be registered as programs to run. The registered programs are stored in the built-in hard disk or can be stored in the inserted floppy disk.

  • Page 65: Program

    Chapter 5 OPERATION                5.4 How to Operate Pressing the <PROGRAM> key in 5.4.2 displays the program select screen in Fig. 5-7.      Fig. 5-7: Program select screen    1-1 <LOAD PROGRAM NO *> key This key is used to load the registered program from a built-in hard disk into the memory of this The program loaded into the memory is executed or can be edited.
  • Page 66 Chapter 5 OPERATION                5.4 How to Operate 1-2 <RUN> key This key is used for running the loaded program. The screen executing the program is displayed in Figure 5-8. The execution program and line No. under execution are displayed in the item of the system status.
  • Page 67 Chapter 5 OPERATION                5.4 How to Operate 1-5 <EDIT> key This key is used for editing programs. Pressing the key displays the program edit screen (EDIT screen) in Fig. 5-9.       Fig. 5-9: EDIT screen    LINE NO: Program of up to 200 lines can be input. COMMAND: Refer to "Table 5-2: Program command list"...
  • Page 68 Chapter 5 OPERATION                5.4 How to Operate 1-6 <SAVE PROGRAM NO *> key This key is used for saving the program being edited. Programs can be preserved up to 10. The program (The file name:PRO1 TXT to PRO10 TXT) preserved here can be preserved on the floppy disk with FILE of SYSTEM.
  • Page 69 Chapter 5 OPERATION                5.4 How to Operate 2-2 <COMMAND> key This key is used for selecting commands. Pressing the key displays the command select screen in Fig. 5-10. Fig. 5-10: Command select screen Highlight your desired command using the cursor keys. Pressing the [ENTER] key confirms the setting.
  • Page 70 Chapter 5 OPERATION                5.4 How to Operate Table 5-2 (1/3): Program command list Command Range Description USERSET * 0 to 9 Calls the user setting (refer to 1-5 in 5.4.5). Refer to Sets the wavelength. Table 5-1 Refer to Table 5-1 Wavelength range set Refer to Sets the light frequency.
  • Page 71 Chapter 5 OPERATION                5.4 How to Operate Table 5-2 (2/3): Program command list Data setting command COMMAND DATA START STOP STEP STEP TIME Description USERSET Calls user settings 0 to 9. ****.*** Sets the wavelength. ****.*** ****.*** ***.*** ***.* Conducts the step sweep. ****.*** ****.*** ***.* Conducts the continuous sweep.
  • Page 72 Chapter 5 OPERATION                5.4 How to Operate Table 5-2 (3/3): Program command list Branch command COMMAND DATA START STOP STEP STEP TIME Description GOTO Goes to the line number specified by DATA. WLGOTO ****.*** Goes to the line number specified by DATA if the wavelength is equal to that specified by STOP.
  • Page 73 Chapter 5 OPERATION                5.4 How to Operate 2-3 <INS LINE> key This key is used for inserting one line in front of the selected line. 2-4 <DEL LINE> key This key is used for deleting the selected line. 2-5 <UNDO REDO> key This key is used for canceling the previous editing or recovering the canceled operation.
  • Page 74 Chapter 5 OPERATION                5.4 How to Operate Table 5-3 shows typical programs. Table 5-3: Typical programs LINE NO COMMAND DATA START STOP STEP TIME Description Program 1 1 USERSET Calls user setting 1. 2 WL 1480 Sets the wavelength at 1480nm. 3 PdB Sets the light output at 0dBm.

  • Page 75: System

    Chapter 5 OPERATION                5.4 How to Operate 5.4.7 SYSTEM This menu is used for setting the conditions for the screen display, the printer, the GP-IB and RS-232C interfaces and the wavelength calibration as well as the password. It also enables the wavelength to be calibrated.
  • Page 76 Chapter 5 OPERATION                5.4 How to Operate 3-14 SOFT HOST UPGRADE MORE 3-15 SOFT SUB UPGRADE EXIT 3-16 SOFT LD UPGRADE EXIT POWER ON CAL ON CONST CAL ON 2-10 INTERVAL AUTO CAL 2-11 EXIT 2-12 COPY FILE DELETE 2-13 3-17 ←...

  • Page 77: Error Message

    Chapter 5 OPERATION 5.5 Error Message 1-1 <MISC> key This key is used for opening the menu for setting the conditions for the environment (date, time, buzzer and printer), the display screen color and the GP-IB and RS-232C interfaces as well as the password (see 2-1 to 2-6).
  • Page 78 Chapter 5 OPERATION 5.5 Error Message The setting (The file name:USR1 ENV to USR9 ENV) preserved with USER SETTING of TLS SET can be preserved on the floppy disk. The program (The file name:PRO1 TXT to PRO10 TXT) preserved with SAVE PROGRAM NO * can be preserved on the floppy disk.
  • Page 79 Chapter 5 OPERATION 5.5 Error Message 2-1 <CONFIG> key This key is used for opening the menu for setting the environmental conditions (date, time, buzzer and printer) (see 3-1 to 3-6). 2-2 <COLOR> key This key is used for opening the menu for setting the display screen color (see 3-7 to 3-9).  ...
  • Page 80 Chapter 5 OPERATION 5.5 Error Message 2-8 <POWER ON CAL ON/OFF> key It is decided whether to execute the wavelength calibration at once after the password is input when the power supply is turned on. The wavelength calibration is automatically executed at "ON". Warning When set pushing <...
  • Page 81 Chapter 5 OPERATION 5.5 Error Message 2-12 <COPY> key This key is used for copying files. Select the file to copy on the screen in Fig. 5-11 (refer to 1-3 for how to operate the screen). Pressing the <COPY> key displays the screen for entering the name of the file to paste (Fig. 5-12). In order to enter the name, select letters using the cursor keys and press the [ENTER] key to confirm it.
  • Page 82 Chapter 5 OPERATION 5.5 Error Message For example, a file is copied from the built-in hard disk to the inserted floppy disk as follows: Set the hard disk using the <DRIVE> key in 2-13 (refer to 2-13 for how to use the key). Next, select the file to copy (refer to 1-3) and press the <COPY>...
  • Page 83 Chapter 5 OPERATION 5.5 Error Message 2-14 <DRIVE> key This key is used for changing drives. Pressing the <DRIVE> key displays the screen in Fig. 5-13. Select "A" using the cursor keys and confirm it using the [ENTER] key to select the floppy disk drive or "D"...
  • Page 84 Chapter 5 OPERATION 5.5 Error Message 2-15 <MAKE DIR> key This key is used to making a new directory in the directory displayed on the screen in Fig. 5-11. Pressing the <MAKE DIR> key displays the directory name entry screen shown in Fig. 5-14. In order to enter the name, select letters using the cursor keys and confirm it using the [ENTER] key.
  • Page 85 Chapter 5 OPERATION 5.5 Error Message 2-16 <FORMAT> key This key is used for formatting floppy disks to the 1.44MB format. Pressing the <FORMAT> key displays a confirmation message. Press the [ENTER] key to format or the <CANCEL> key to cancel this processing. 2-17 <RENAME>...
  • Page 86 Chapter 5 OPERATION 5.5 Error Message 3-5 <PRINTER MAKER> key This key is used for setting the maker of the printer to be connected to the printer connector on the rear panel in order to print the screen. Select NEC (PC-PR201), "EPSON (ESC/P)", "CANON (LipsII)", or POSTSCRIPT using the cursor keys ([←] and [→]).
  • Page 87 Chapter 5 OPERATION 5.5 Error Message 3-10 <GP-IB ADDRESS> key This key is used for setting the GP-IB address of this system. The settable range is 0 to 30, which is set using numeric keys, the cursor keys or the rotary encoder.
  • Page 88 Chapter 5 OPERATION 5.5 Error Message  4-1 <BAUD RATE> key This key is used for setting the baud rate. Select 2,400, 4,800, 9,600 or 19,200bit/sec using the cursor keys ([←] and [→]). Pressing the [ENTER] key confirms the selected setting. 4-2 <DATA BIT>...
  • Page 89 Chapter 5 OPERATION 5.5 Error Message 4-6 <RESPONSE> key This key is used for setting response. Select "NON", "* [CR]" or "* [CR]" + ">" using the cursor keys ([←] and [→]) and press the [ENTER] key to confirm it. Since "LF"...
  • Page 90 Chapter 5 OPERATION 5.5 Error Message 5.5   Error Message This system displays errors in Table 5-4. Check the contents and take appropriate measures. Table 5-4 (1/3): Error code list Error code Contents Measures 7 System initialization error Turn the power off to restart. Repair is required if the same error repeatedly occurs.
  • Page 91 Chapter 5 OPERATION 5.5 Error Message Table 5-4 (2/3): Error code list Error code Contents Measures 40 SWEEP DATA is not an adjustment. Change the conditions. 41 Specified directory not found Check the directory. 42 Specified drive not found Check the drive 43 File copy failed Check if the disk to paste is full.
  • Page 92 Chapter 5 OPERATION 5.5 Error Message Table 5-4 (3/3): Error code list Error code Contents Measures 80 No transmission response Check the connection of the GP-IB or RS-232C interface and controller control software. 81 Receiving buffer memory secure error The system is required to be repaired. 82 Transmission buffer overflow Check GP-IB or RS-232C control software.
  • Page 93 Chapter 6 Remote Control 6.1 GPIB control  Chapter 6 Remote Control The AQ4321 has the standard GPIB (IEEE 488.1 standard satisfied) and RS-232C interfaces. When you attach a controller, you can set up and modify each AQ4321 parameter and send and receive data under fully remote control.
  • Page 94 Chapter 6 Remote Control 6.1 GPIB control  6.1.2 Explanation of basic system functions (1) GPIB address You can change the GPIB address of AQ4321 by following the steps of Paragraph 3-10 given in Section 5.4.7. These addresses are made valid immediately after you have completed the setup. The modified addresses are backed up by the hard disk.
  • Page 95 Chapter 6 Remote Control 6.1 GPIB control  (8) Service request functions Table 6-2 defines the contents of SRQ status byte of the AQ4321. Table 6-2: SRQ status byte Contents BIT7 BIT6 1 when an SRQ is sent. BIT5 1 when the receive buffer is overflowed. BIT4 BIT3 1 when operation is completed.
  • Page 96 Chapter 6 Remote Control 6.1 GPIB control  (10) Space in the program code is disregarded. (11) The delimiter from the controller is "CR+LF+EOI", "CR+LF", or "LF+EOD" codes. The delimiter of AQ4321 output is "CR+LF+(EOI)" or "EOI" code only. (12) Numerical codes 0 below the decimal point need not be input in the numeric input part (*** . *** etc). Example: "TSTEWL010.000"...
  • Page 97 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (1/10): GPIB and RS-232C interface commands (supported by AQ4321)  AQ4321 Name AQ4321 command Range Unit Return value Function Command CFORM0 or Accepts subsequent commands as format setup ANDO ANDO's standard commands. CFORM1 or Accepts subsequent commands as CFORM1 GPIB commands.
  • Page 98 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (2/10): GPIB and RS-232C interface commands (supported by AQ4321)   AQ4321 Name AQ4321 command Range Unit Return value Function Delimiter setup DELIM? Returns a delimiter. inquiry 0:[EOI] (for GPIB 1:CR+LF+[EOI] interface only) Response setup RESPON* Sets a response.
  • Page 99 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (3/10): GPIB and RS-232C interface commands (supported by AQ4321) AQ4321 Name AQ4321 command Range Unit Return value Function User condition TUSERSET* 0 to 9 Calls the user setup conditions. call "0" is the default setup. User condition TUSERSAVE* 1 to 9...
  • Page 100 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (4/10): GPIB and RS-232C interface commands (supported by AQ4321) AQ4321 Name AQ4321 command Range Unit Return value Function Optical TWLFRU* 0:Displays the optical wavelength wavelength and (or frequency) in nanometers (nm). frequency unit 1:Displays the optical wavelength switchover...
  • Page 101 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (5/10): GPIB and RS-232C interface commands (supported by AQ4321) AQ4321 Name AQ4321 command Range Unit Return value Function Start single TSGL Starts a single wavelength sweep. sweep (Note 1) Step movement TWLUP Moves by the unit of the step of wavelength...
  • Page 102 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (6/10): GPIB and RS-232C interface commands (supported by AQ4321) AQ4321 Name AQ4321 command Range Unit Return value Function Sweep stop TSTPWL? ****.*** Returns the sweep stop wavelength. wavelength inquiry Sweep TSTEWL***.*** 0.001 Sets the sweep wavelength step for wavelength...
  • Page 103 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (7/10): GPIB and RS-232C interface commands (supported by AQ4321) AQ4321 Name AQ4321 command Range Unit Return value Function Sweep stop TSWEINT? ***** Returns the stop time after each time inquiry sweep. Reference TBASEWL****.*** 1480.000 Uses the specified wavelength as the...
  • Page 104 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (8/10): GPIB and RS-232C interface commands (supported by AQ4321) AQ4321 Name AQ4321 command Range Unit Return value Function 0:Displays the wavelength or frequency Wavelength TWLFRU* in "nm". /frequency 1:Displays the wavelength or display unit frequency in THz.
  • Page 105 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (9/10): GPIB and RS-232C interface commands (supported by AQ4321) AQ4321 Name AQ4321 command Range Unit Return value Function Calibrated TWCAL? 0:Calibration failure inquiry 1:Calibration success 2:Calibrating. 3:Calibration is necessary. Auto calibration AUTOCAL* 0:Auto calibration Off setup...
  • Page 106 Chapter 6 Remote Control 6.1 GPIB control  Table 6-3 (10/10): GPIB and RS-232C interface commands (supported by AQ4321) AQ4321 Name AQ4321 command Range Unit Return value Function Optical attenuator TPSW? 0:Ajusts with optical attenuator an Control inquiry optical output. 1:Adjusts by the current of LD and optical attenuator an optical output.
  • Page 107 Chapter 6 Remote Control 6.1 GPIB control  6.1.4 Notes in CFORM1 ・  T he command input with CFORM1 is translated into the ANDO command and is executed. Table 6-4 shows the translation table of the CFORM1 command and the ANDO command. ・ ...
  • Page 108 Chapter 6 Remote Control 6.1 GPIB control  Table 6-4 (1/2): GPIB and RS-232C interface commands (Comparison with competitor's commands CFORM1) CFORM1(HP) command Function Translation command Note CFORM0 Setting of command format CFORM0 ANDO Setting of command format ANDO CFORM1 Setting of command format CFORM1 Setting of command format CFORM2...
  • Page 109 Chapter 6 Remote Control 6.1 GPIB control  Table 6-4 (2/2): GPIB and RS-232C interface commands (Comparison with competitor's commands CFORM1) CFORM1(HP) command Function Translation command Note :STATUS:OPERATION Inquiry of NTR register TLIMIT? & INIT? :NTRANSITION? :STATUS:OPERATION Inquiry of PTR register TLIMIT? &...
  • Page 110 Chapter 6 Remote Control 6.1 GPIB control  Table 6-5 (1/2): Command that is not supported by CFORM1 in AQ4321 COMMON COMMAND Function COMMAND error line,ESR,STB clear *CLS status registration mask set *ESE status registration mask check *ESE? status registration check *ESR? individual information check *IDN?
  • Page 111 Chapter 6 Remote Control 6.1 GPIB control  Table 6-5 (2/2): Command that is not supported by CFORM1 in AQ4321 STATUS COMMAND Function COMMAND set OPERATION in STB :STATUS:OPERATION:ENABLE OPER ENAB registration ENABLE? :STATUS:OPERATION:ENABLE? set to NTR registration? :STATUS:OPERATION:NTRANSITION NTR registration read :STATUS:OPERATION:NTRANSITION? set to PTR registration :STATUS:OPERATION:PTRANSITION...
  • Page 112 Chapter 6 Remote Control 6.1 GPIB control  6.1.5 Notes in CFORM2 ・  I t is non-correspondence to SRQ. (Same SRQ as SRQ in the ANDO command is sent) ・  T he command input with CFORM1 is translated into the ANDO command and is executed. Table 6-4 shows the translation table of the CFORM1 command and the ANDO command.
  • Page 113 Chapter 6 Remote Control 6.1 GPIB control  Table 6-6 : GPIB and RS-232C interface commands (Comparison with competitor's commands CFORM2) CFORM2(PHOTO) command Function Translation command Note CFORM0 Setting of command format CFORM0 ANDO Setting of command format ANDO CFORM1 Setting of command format CFORM1 Setting of command format CFORM2...
  • Page 114 Chapter 6 Remote Control 6.1 GPIB control  Table 6-7 : Command that is not supported by CFORM2 in AQ4320 Function COMMAND ACC(AUTO CURRENT CONTROL) operates. APCOFF APC(AUTO POWER CONTROL) operates. APCON Setting of driving current value ACC operates. The current value is set. It is an inquiry of a present operation current value.
  • Page 115 6.2 RS-232C Interface Control   Chapter 6 Remote Control RS-232C Interface Control Caution Always turn OFF the [POWER] switch [ OFF] before connecting or disconnecting the RS-232C interface cable to/from the AQ4321. Also, use an RS-232C interface cross cable. Caution The AQ4321 does not accept any RS-232C command immediately after its power-on but before password input.
  • Page 116 6.2 RS-232C Interface Control   Chapter 6 Remote Control (3) Response Table 6-7 defines the RS-232C interface response of the AQ4320. Table 6-7: RS-232C interface response Response Conditions OK (*) Normal process termination COMMAND ERROR (*) Command error VALUE ERROR (*) Numerical value input error SWEEP START (*) When sweep starts...
  • Page 117 Chapter 6 Remote Control 6.3 Sample Programs  Sample Programs This section gives sample GPIB interface control programs. This program sets the sweep conditions and sweeps a single time by using the Hewlett Packard's 9816S controller. 10 ABORT 7 ! INTERFACE CLEAR 20 ADD = 724 ! GP-IB ADDRESS=24 30 OUTPUT ADD : “ANDO”...
  • Page 118 Chapter 7 System Circuits and Structure 7.1 System Circuits Chapter 7 System Circuits and Structure This chapter describes the basic AQ4321 system circuits and structure. System Circuits Fig. 7-1 shows the AQ4321 system block diagram. (1) LD module section Consists of an LD, monitor PD, Peltier effect elements, thermistors, motors and optical devices such as diffraction effect elements.
  • Page 119 Chapter 7 System Circuits and Structure 7.1 System Circuits     LD driver section       LD module section         Temperature control                      LD          Optical output section           LD drive                     Motor          CPU1                      Gas cell module section    CPU2                 Reference wavelength                           PD                      RS-232C   ...
  • Page 120 Chapter 7 System Circuits and Structure 7.2 Structure Structure Chart ASD-62517-1 shows an AQ4321A system appearance. The AQ4321D have the same appearance although their model names differ from the AQ4321A. 7− 3 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 121 Chapter 8 Operation Principle 8.1 Variable Wavelength Measurement Chapter 8 Operation Principle Variable Wavelength Measurement The AQ4321A/D system uses an external resonator as shown in Fig. 8-1. This structure can minimize the mode hop generation but provide the better wavelength selection. Rotation Mirror Optical output...
  • Page 122 Chapter 8 Operation Principle 8.1 Variable Wavelength Measurement Synchronized when wavelength is changed. External resonator mode Selection wavelength of diffraction grating Oscillation wavelength of variable wavelength optical source Fig. 8-2: Vertical mode signals of external resonator Reference Wavelength The AQ4321 has a built-in acetylene gas module and can determine its reference wavelength using absorption lines of acetylene gas.
  • Page 123 8.3 About the optical output control of AQ4321 Chapter 8 Operation Principle 8.3 About the optical output control of AQ4321 AQ4321A is set to become following optical outputs. When you set MANUAL MENU and GPIB (ex. maximum optical output 8dBm) ↑ ...
  • Page 124 Chapter 9 Troubleshooting Guide Chapter 9 Troubleshooting Guide (1) The AQ4321 does not operate when powered on. ・  Check the power fuse at the rear panel. ・  There is a possibility consuming the battery. For replacement, contact the nearest sales office or agency.  ...
  • Page 125 Chapter 10 Maintenance 10.1 Instruments and Tools required Chapter 10 Maintenance This chapter provides the routine maintenance guidance information. 10.1 Instruments and Tools required Table 10-1 lists the instruments you need to prepare during maintenance. Table 10-1: List of test instruments Note: The Ando's equivalent instrument is shown in parentheses.
  • Page 126 Chapter 10 Maintenance                 10.2 Periodical Inspection (3) SMSR Select the CW optical output mode, and set the optical output to its maximum level. Then, measure the SMSR using an optical spectrum analyzer. (4) Optical output flatness Select the CW optical output mode, and set the optical output to the MAX value in the minimum wavelength (Refer to Table 5-1 Wavelength range set).
  • Page 127 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 128 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 129 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

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