EXFO Burleigh Wavemeter WA-1100 Operating Manual
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EXFO Burleigh Wavemeter WA-1100 Operating Manual

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EXFO Burleigh Wavemeter WA-1100 Operating Manual

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Summary of Contents for EXFO Burleigh Wavemeter WA-1100

  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 WA-1100 and WA-1600 Wavemeter 08115-M-00 (Rev. E) Copyright © EXFO Burleigh Products Group Inc. 2002 All Rights Reserved Wavemeter is a registered trademark of Burleigh Instruments, Inc., an EXFO company. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 4: Table Of Contents

    Table of Contents Table of Contents............................i Assumptions ............................ii 1. Introduction............................1-1 Overview.............................1-1 Safety Considerations.........................1-2 Unpacking & Inspection........................1-2 Setup ..............................1-3 Fiber End Cleaning ..........................1-3 Cleaning a Fiber Optic ConnectorError! Bookmark not defined.Error! Bookmark not defined.Error! Bookmark not defined..................1-4 Cleaning a Universal Connector ....................1-4 Fan Filter Cleaning ..........................1-5 2.

  • Page 5: Assumptions

    Accuracy Verification.......................... 4-6 Calibration ............................4-6 Appendix A. Specifications & Labeling ....................A-1 Dimensional Drawing ......................... A-2 Rack Mounting Option........................A-2 Appendix B. Warranty & Service ......................B-1 Warranty............................. B-1 Service ............................... B-1 Appendix C. Error & Status Messages ....................C-1 Error Messages..........................

  • Page 6: Introduction

    WA-1100/WA-1600 Wavemeter Operating Manual 1 Introduction 1. Introduction This section provides general information on the WA-1100/1600 and information on unpacking and setting up the instrument. Overview WA-1100 and WA-1600 Wavemeter systems are instruments designed for simple, automatic and accurate wavelength measurement of continuous wave (CW) laser sources.

  • Page 7: Safety Considerations

    WA-1100/WA-1600 Wavemeter Operating Manual 1 Introduction The Monitor port on the back of the instrument provides access to the interferometer fringe signals and timing signals that govern the wavelength measurement. Refer to Appendix D for further information. Safety Considerations This product has been designed, manufactured and tested in accordance with EC Standard EN61010-1, Safety Requirements for Electronic Measuring Apparatus, and has been supplied in a safe condition.

  • Page 8: Setup

    If the external shipping carton is not damaged, carefully remove and identify all of the components listed below. Contact EXFO or your local representative if any of the components are missing. We recommend you save the shipping carton for future storage or transportation.

  • Page 9: Cleaning A Fiber Optic Connectorerror! Bookmark Not Defined.error! Bookmark Not Defined.error! Bookmark Not Defined

    WA-1100/WA-1600 Wavemeter Operating Manual 1 Introduction connector. If there is any question of the surface quality on the tip of the cable connector, inspect it under a microscope for scratches or debris. Your instrument may use a Fiber Optic Connector or a Universal Connector. Follow the appropriate procedure below. Some general recommendations: §...

  • Page 10: Fan Filter Cleaning

    WA-1100/WA-1600 Wavemeter Operating Manual 1 Introduction Fan Filter Cleaning The fan on the rear panel of the WA-1100/1600 provides important ventilation to components inside the chassis. A filter covers the fan opening to keep out dust. This filter should be cleaned periodically, especially if it becomes noticeably dirty. To clean the dust filter, Pry off the plastic grill covering the filter with a small screwdriver.
  • Page 11 WA-1100/WA-1600 Wavemeter Operating Manual 1 Introduction 08115-M-00 Rev E Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 12: Front Panel Communications

    WA-1100/WA-1600 Wavemeter Operating Manual 2 Front Panel Communications 2. Front Panel Communications This section provides information on the front panel controls, describes the display and setup screens and provides instructions on changing screen displays and parameter values. Front Panel Controls The front panel is shown in Figure 2.1.

  • Page 13: Using The Front Panel Controls

    WA-1100/WA-1600 Wavemeter Operating Manual 2 Front Panel Communications Using the Front Panel Controls Use the four display area controls to review information and make changes to the available parameters. The headings below provide information on how to perform various procedures using these front panel controls. Change Screens To change which display screen is shown, press display.

  • Page 14: Restore Saved Parameter Values

    WA-1100/WA-1600 Wavemeter Operating Manual 2 Front Panel Communications Restore Saved Parameter Values You may want to restore saved parameter values, for example, if you changed the value for a parameter, or several parameters, to observe their effect, but then decide you want to use the initial values.
  • Page 15 WA-1100/WA-1600 Wavemeter Operating Manual 2 Front Panel Communications Figure 2-3. Wavelength Screen 1552.5218 ∆: 0.0006 Start:1552.5212 ∆ ∆ ∆ ∆ : 0.0035 Max: 1552.5200 Min: 1552.5235 Error Message Avg: 8 Gain: Auto Reset 00:03:12 Figure 2-4. Power Screen -11.54 ∆: -0.02 Start:-11.52 ∆...

  • Page 16: Setup Screens

    WA-1100/WA-1600 Wavemeter Operating Manual 2 Front Panel Communications Poffs Displays the power offset value applied to subsequent power measurements. The power offset values enable you to obtain accurate power readings when you place an attenuator external to the instrument. If you enter a power offset value equal to the external attenuator, the instrument automatically displays the correct power.
  • Page 17 WA-1100/WA-1600 Wavemeter Operating Manual 2 Front Panel Communications Status Displays the status codes that indicate the latest exceptions that have occurred. See Appendix C for descriptions and corrective action. Table 2-3. Configuration Information Parameter Description/Options Resolution Identifies the wavelength resolution value. Auto.
  • Page 18 WA-1100/WA-1600 Wavemeter Operating Manual 2 Front Panel Communications Table 2-4. Communications Information Parameter Description/Options Remote When enabled (On) you can use the front panel controls to review parameter values, but can only change (disable) the "Remote" parameter. Attempting to change other parameters (Lockout) when this feature is enabled will display the message "Remote Lockout".
  • Page 19 WA-1100/WA-1600 Wavemeter Operating Manual 2 Front Panel Communications 08115-M-00 Rev E Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 20: Remote Communications

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications Remote Communications This section discusses the use of remote communications to review and control the instrument. Overview You can control the instrument remotely using either an RS-232 or a GPIB interface using the SCPI communications scheme. Connections for both interfaces are provided on the back of the instrument as shown later in this section.

  • Page 21: Scpi Communications Scheme

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications The instrument terminates all of its messages with an EOS character. It never uses the EOS character within a message. Therefore, when the system controller receives an EOS character from the instrument, it can assume that it has received the last character of the message.
  • Page 22 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications Measurement Instructions These commands configure and obtain measurements from the instrument. :CONFigure? Queries the measurement subsystem for measurement type. :CONFigure{:POWer | :ENVironment | Configures the MEASurement subsystem for power, :WAVelength | :WNUM | :FREQuency} environment, wavelength, wavenumber or frequency.
  • Page 23 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications :CALCulate:STARt[:STATe] {ON | OFF} Selects STARt as the quantity to be calculated. This is the first good reading after power-on or last reset. :CALCulate:TIMe[:ELAPsed]? Returns the time since last power on or reset. DISPlay Subsystem These commands change the state of the instrument's front panel.
  • Page 24 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications SENSe:GAIN {AUTO | FIXed} Sets the gain of the instrument’s fringe amplifier. :SENSe:REFerence[:PARameters]? Returns information on the reference laser such as power (% of peak, and minutes to warm-up for WA-1600). These commands are used to retrieve SCPI or instrument STATus Subsystem status.

  • Page 25: Scpi Command Detail

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications SCPI Command Detail This section provides detailed information for all instrument SCPI programming commands. The commands are organized by subsystem. Common Commands *CLS Description The *CLS (clear status) command clears the event status register and the error queue.
  • Page 26 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications *ESR? Description The *ESR (event status register) query returns a value which encodes the bits in the event status register. If any bits are set in the ESR, then the ESR summary bit will be set in the STB. Query Response Returns an integer which is the sum of all the bit values for those bits that are set.
  • Page 27 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications *RCL Description The *RCL (recall) command restores instrument settings. It is the same as using the Restore All function through the display. *RST Description The *RST (reset) command returns the instrument’s settings to a known state.

  • Page 28: Measurement Instructions

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications instrument Status Byte Bit Value Condition a bit is set in the questionable register (see STATus subsystem) errors are in the error queue (see SYSTem subsystem) a bit is set in the event status register Measurement Instructions Use the measurement instructions to return a reading to the computer.
  • Page 29 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications :CONFigure? Description Queries the current configuration of the measurement subsystem. Query Response {POWER | ENVIRONMENT | WAVELENGTH | WNUMBER | FREQUENCY} Example :CONF? :CONFigure{:POWer | :ENVironment | :WAVelength | :WNUMber | :FREQency} Description Configures the measurement subsystem for subsequent :FETCh?, :MEASure?, or :READ? queries.

  • Page 30: Calculate Subsystem

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications :WAVelength? Description Returns an input laser reading in units of nm. Query Response A numerical value in scientific notation (ex. 1.5461108E+003). The number of significant digits will be determined by the current resolution setting. Resolution is set through the front panel or by using the :DISPlay:RESolution command.
  • Page 31 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications The :DELTa, :MAXimum, and :MINimum functions are turned on and off with their respective commands. When one of them is turned on, the others are automatically turned off. CALCulate Subsystem Functions :DATA? {POWer | FREQuency | WAVelength | WNUMber} Description Gets a calculated value of a pre-selected data type.
  • Page 32 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications :DELTa:METHod {STARt | MAXMin} Description Sets the state of the :METHod function to either STARt (to get start - current values) or MAXMin (to get maximum - minimum values). *RST value STARt Examples :CALC:DELT:METH STAR :CALC:DELT:METH MAXM :MAXimum[:STATe]?

  • Page 33: Display Subsystem

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications :STARt[:STATe]? Description Queries the state of the :STARt function. Query Response {0 | 1} Where 0 indicates OFF and 1 indicates ON. Examples :CALC:STAR? :CALC:STAR:STAT? :STARt[:STATe] {ON | OFF} Description Sets the state of the :STARt function to either ON or OFF. *RST value Examples :CALC:STAR ON...
  • Page 34 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications DISPlay Subsystem Functions :DIALog? Description Queries what display dialog is currently on the instrument's front panel display. The return value for this function is invalid if the instrument is on a setup dialog. Query Response {MAIN | WAVELENGTH | POWER} Examples...

  • Page 35: Sense Subsystem

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications :UNITs:POWer {DBM | MICRowatts | MILLiwatts} Description Sets the units being used for power values on the front panel display. It is the same as changing the power units through the display. If the units are set to MICRowatts or MILLiwatts, the display may switch to MILLiwatts or MICRowatts due to the display's power auto ranging feature.
  • Page 36 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications SENSe Subsystem Functions :AVERage? Description Queries the number of readings being averaged for wavelength and power values. Query Response {OFF | 2 | 4 | 8 | 16 | 32 | 64 | 128} Examples :SENS:AVER? :AVERage {OFF | 2 | 4 | 8 | 16 | 32 | 64 | 128}...
  • Page 37 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications :POWeroffset {OFF | 1 | 2 | 3 | ... | 19 | 20} Description Sets the power offset to be added to power values. The power offsets are in units of dBm. *RST value Examples :SENS:POW OFF...

  • Page 38: Status Subsystem

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications STATus Subsystem The STATus subsystem is used to retrieve status information from the instrument and to mask or screen what status is able to be retrieved. Status registers give information about the instrument and the latest measurement. Status enable registers allow some status information to be ignored.
  • Page 39 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications :QUEStionable:ENABle? Description Queries the SCPI Questionable Enable register. Query Response An integer which is the sum of the bit values for all bits in the register that are set. Examples :STAT:QUES:ENAB? :QUEStionable:ENABle <integer> Description Used to set and clear bits in the SCPI Questionable Enable register.

  • Page 40: System Subsystem

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications 1024 Fringe counter overflow. 2048 Fringe counter invalid. 4096 The input laser fringe strength is too high. 8192 The reference laser % of peak power is out of range. (WA-1600 only) SYSTem Subsystem The SYSTem subsystem supplies information and status about the SCPI command parser and allows control over the instrument's front panel.

  • Page 41: Trigger Subsystem

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications :HELP:HEADers? Description Reads a list of all commands and queries supported by the instrument. Each line of the response is terminated by a linefeed. The first line indicates the number of bytes of help data that follow. The remaining lines are strings of help data.

  • Page 42: Unit Subsystem

    WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications TRIGger Subsystem Functions :ABORt Description Halts acquisition of the current reading and returns the instrument to an idle state. Examples :ABOR :INITiate[:IMMediate] Description Starts the acquisition of a new reading. Examples :INIT :INIT:IMM UNIT Subsystem For the instrument, there is a single query and command in the UNIT subsystem.
  • Page 43 WA-1100/WA-1600 Wavemeter Operating Manual 3 Remote Communications 3-24 08115-M-00 Rev E Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 44: Theory Of Operation & Calibration

    WA-1100/WA-1600 Wavemeter Operating Manual 4 Theory of Operation & Calibration Theory of Operation & Calibration This section reviews the theory behind wavelength measurement as it applies to the WA- 1100 and WA-1600 instruments. It also discusses the factors that influence the accuracy of the measurement.

  • Page 45: Accuracy

    WA-1100/WA-1600 Wavemeter Operating Manual 4 Theory of Operation & Calibration é ù = é ù λ λ λ ë ê û ú ë ê û ú Therefore, the wavelength of the input laser beam is equal to the ratio of the number of fringes recorded for each laser multiplied by a refractive index correction and the wavelength of the reference laser beam.
  • Page 46 WA-1100/WA-1600 Wavemeter Operating Manual 4 Theory of Operation & Calibration The temperature and pressure are measured inside the instrument and a correction factor is applied when computing the wavelength. Although humidity is taken into account in the index calculation, its effect is negligible in the infrared. For reference, the error in parts per million (ppm) introduced by errors in the temperature, pressure, or humidity is given approximately by: ∆(n...
  • Page 47 WA-1100/WA-1600 Wavemeter Operating Manual 4 Theory of Operation & Calibration In these figures, the digital logic signals labeled Trigger, Zero Optical Path (ZOP), and Window below each fringe pattern identify the timing and extent of each measurement interval. These 5 volt logic signals can also be observed at the Monitor port. Trigger defines the largest measurement range possible for the particular instrument model.
  • Page 48 WA-1100/WA-1600 Wavemeter Operating Manual 4 Theory of Operation & Calibration Fringe Signal Laser Spectrum Broad linewidth Trigger Window Figure 4-2. Fringe signal and measurement window for a broad linewidth input laser Figure 4-3 shows an example of a bi-modal laser with two strong spectral lines. This laser produces a fringe pattern that exhibits beating between the two laser frequencies.

  • Page 49: Accuracy Verification

    ISO. If you do not have such procedures in place, consider the tradeoff between the time and cost of reverification versus data uncertainty and discuss these with your EXFO representative.

  • Page 50: Appendix A. Specifications & Labeling

    WA-1100/WA-1600 Wavemeter Operating Manual Appendix A Specifications and Labeling Appendix A. Specifications & Labeling This Appendix provides specifications, dimensional drawings and labeling information. Table A-1. Specifications WA-1100 WA-1600 Accuracy ±1 ppm (± 1.5 pm @ 1550 nm) ±0.2 ppm (± 0.30 pm @ 1550 Resolution (Display) 0.001 nm 0.0001 nm...

  • Page 51: Dimensional Drawing

    WA-1100/WA-1600 Wavemeter Operating Manual Appendix A Specifications and Labeling Dimensional Drawing Figure A-1. Dimensions Rack Mounting Option The WA-1100/1600 can be mounted in a standard 19" electronics rack by attaching the rack mounting brackets as shown below. When the WA-1100/1600 is mounted in an enclosed rack, be careful not to block the fan on the rear panel and provide adequate ventilation inside the rack to prevent overheating.

  • Page 52: Appendix B. Warranty & Service

    The liability of EXFO, (except as to title) arising out of supplying of said product, or its use, whether under the foregoing warranty, a claim of negligence, or otherwise, shall not in any case exceed the cost of correcting defects in the products as herein provided.
  • Page 53 WA-1100 & WA-1600 Wavemeter Operating Manual Appendix B Warranty & Service 08115-M-00 Rev E Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 54: Appendix C. Error & Status Messages

    WA-1100/WA-1600 Wavemeter Operating Manual Appendix C Error & Status Messages Appendix C. Error & Status Messages The instrument continually checks the quality of the signal it is analyzing and reports messages for any unusual conditions that might affect the precision of the measurement. There are two types of messages.

  • Page 55: Error Messages

    WA-1600 only. The reference laser stabilization circuit is 00000002 Temperature" indicating an over temperature condition. Turn the instrument off, wait 15 minutes and power up again. If the problem persists, contact EXFO Service. "Reference Laser: WA-1600 only, reference laser peak power outside of 60- 00040000 Calibration Error"...

  • Page 56: Status Messages

    Turn the instrument off, wait a few moments, and occurs on power up or when turn the instrument back on. restoring. If the problem persists contact EXFO Service. 00000040 Static RAM read/write failure. This Turn the instrument off, wait a few moments, turn error may sometimes occur on power the instrument back on.
  • Page 57 A temperature reading of 0°C usually indicates the range is 1°C to 50°C. temperature sensor is not connected or has a broken wire. If the problem persists contact EXFO Service. 00004000 Input Laser Power error, power is out Check that the laser is operating within the specified of range power range.

  • Page 58: Appendix D. Rear Panel Controls

    WA-1100 & WA-1600 Wavemeter Operating Manual Appendix D Rear Panel Controls Appendix D. Rear Panel Controls GPIB Port The instrument has a GPIB communications port on the back panel as shown in Figure D-1. The GPIB port uses the standard IEEE-488 connector, with the pinout described in Table D-1.

  • Page 59: Rs-232 Serial Interface Connector

    WA-1100 & WA-1600 Wavemeter Operating Manual Appendix D Rear Panel Controls RS-232 Serial Interface Connector The RS-232 port is a 9-pin, female, D-sub style connector, with the pinout described in Table 3-1. The connector housing provides connection to the earth ground inside the instrument.

  • Page 60: Signal Monitor Connector

    WA-1100 & WA-1600 Wavemeter Operating Manual Appendix D Rear Panel Controls Signal Monitor Connector The Signal Monitor connector on the back panel of the instrument provides a combination of analog and digital signals for observing the fringe signals and measurement timing signals using an oscilloscope. The signals have the characteristics described in Table D-1.
  • Page 61 WA-1100 & WA-1600 Wavemeter Operating Manual Appendix D Rear Panel Controls Table D-4. Monitor Pinout Signal Name Signal Description Number Type INPUT Analog Input laser sinusoidal fringe signal. REFERENCE Analog Reference laser sinusoidal fringe signal. VREF Valid reference laser fringe amplitude. ZOP1 Raw TRIGGER Scanning Window Trigger is a digital pulse with a duration that...
  • Page 62 WA-1100 & WA-1600 Wavemeter Operating Manual lndex Index accuracy, 4-2 Fan Filter Cleaning, 1-4 Address of GPIB port, 2-6 Fiber End Cleaning, 1-3 Auto Fiber Optic Connector, 1-3 gain, 2-4, 2-5 Fixed gain, 2-4, 2-5 resolution, 2-5 front panel, 2-1 Average, 2-4, 2-5 Avg, 2-4 Gain, 2-4, 2-5...
  • Page 63 Index WA-1100 & WA-1600 Wavemeter Operating Manual SCPI, 3-1 screens display, 2-3 units. See specific parameter's setup, 2-5 units SELECT Button, 2-1 Universal Connector, 1-3 service, B-1 set up instrument, 1-2 vacuum, 2-4 SETUP Button, 2-1 Vacuum, 2-4 Setup screens, 2-5 signal warranty, B-1 GPIB, D-1...
  • Page 64 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 65: Declaration Of Conformity

    Declaration of Conformity Manufacturer’s Name: EXFO Burleigh Products Group Inc. Manufacturer’s Address: 7647 Main St. Fishers Victor, NY 14564-8909 declares this product: Product Name: Wavemeter Model Number(s): WA-1100 WA-1600 conforms to the following standards: Safety: EN-61010-1: IEC 1010-1 EMC: EN-50081-1: EN-55011; Group 1, Class A : Emissions EN-50082-1: IEC 1000-4-2: ESD Immunity;...
  • Page 66 EXFO Burleigh Products Group Inc. 7647 Main Street Fishers Victor, NY 14564-8909 Tel. (585) 924-9355 Fax. (585) 924-9072 WA1100/1600 08115-M-00 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 67 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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