Newport 8000 User Manual
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Newport 8000 User Manual

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Newport 8000 User Manual

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  • 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 Model 8000/8008 Modular Controller User's Manual Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 Newport Corporation, Irvine, California, has been certified compliant with ISO 9002 by the British Standards Institution. Corporate Headquarters Canada Italy Netherlands Taiwan R.O.C. Newport Corporation Telephone: 905-567-0390 Telephone: 02-924-5518 Telephone: 030-6592111 Telephone: 2-2769-9796 1791 Deere Avenue Facsimile: 905-567-0392 Facsimile: 02-923-2448...
  • Page 4 If any such product proves defective during the applicable warranty period, Newport, at its option, either will repair the defective product with charge for parts and labor or will provide a replacement in exchange for the defective product.
  • Page 5 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 6 EC DECLARATION OF CONFORMITY Model 8000/8008 Modular Controllers We declare that the accompanying product, identified with the “ ” mark, meets all relevant requirements of Directive 89/336/EEC and Low Voltage Directive 73/23/EEC. Compliance was demonstrated to the following specifications: EN50081-1 EMISSIONS:...
  • Page 7 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 8: Table Of Contents

    Tilt-Foot Adjustment __________________________________________________ 8 2.2.3 Rack Mounting _______________________________________________________ 8 2.2.4 Ventilation Requirements _______________________________________________ 8 2.2.5 Power-Up Sequence ___________________________________________________ 8 Introduction to the 8000 Front Panel _________________________________ 9 2.3.1 Front Panel Familiarization______________________________________________ 9 General Operation _______________________________________________ 10 2.4.1 Display Elements ____________________________________________________ 10 2.4.2 Function Keys _______________________________________________________ 12 2.4.3...
  • Page 9 2.6.2 Main Supply________________________________________________________ 23 Warm Up and Environmental Consideration__________________________ 23 Laser Diode Driver Module Operation _____________________________25 Laser Diode Driver Module ________________________________________ 25 3.1.1 Introduction ________________________________________________________ 25 3.1.2 Installation _________________________________________________________ 25 3.1.3 Laser Diode Protection Requirements ____________________________________ 26 Laser Safety Features _____________________________________________ 28 3.2.1 Conditions Which Can Automatically Shut Off the Laser Output.
  • Page 10 Temperature Controller (TEC) Module ______________________________ 45 4.1.1 Introduction ________________________________________________________ 45 4.1.2 Installation _________________________________________________________ 45 TEC Safety Features ______________________________________________ 46 4.2.1 Conditions Which Will Automatically Shut Off the TEC Output________________ 46 The TEC Connectors _____________________________________________ 46 4.3.1 TEC Grounding Consideration __________________________________________ 47 TEC Module Operation ___________________________________________ 47 4.4.1 Quick Start _________________________________________________________ 47...
  • Page 11 Introduction _____________________________________________________ 89 Obtaining Service ________________________________________________ 89 Error Messages _______________________________________________93 Introduction _____________________________________________________ 93 Specifications _________________________________________________97 Model 8000 Modules _______________________________________97 9.1.1 8540M MOPA Laser Diode Driver Module _______________________________ 97 9.1.2 Temperature Controller (TEC) / Dual (TEC) Module Specifications ____________ 98 9.1.3 Laser Diode Driver (LDD) Modules ____________________________________ 100 9.1.4...
  • Page 12 Figure 1 - 8000 Front Panel ________________________________________________________ 9 Figure 2 - Various Data Fields Found on the Master Screen ______________________________ 12 Figure 3 - Model 8000 Menu Structure _______________________________________________ 13 Figure 4 - Master Display, Expanded Display__________________________________________ 14 Figure 5 - Master Display, Condensed Mode __________________________________________ 15...
  • Page 13 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 14: General Information

    This chapter describes the features, options, accessories, and specifications of the Model 8000. Unless otherwise noted, “8000” or “Model 8000” refers to the Model 8000 and the Model 8008. Sections that deal with a specific model will be indicated as such.
  • Page 15 • 2.0 Amps at 4 Volts (8 Watt) highly stable TEC • 200 mA to 2 Amp low noise LDD The Model 8000 Modular Controller is a result of Newport’s continuing commitment to provide advanced laser diode instrumentation at affordable prices. The fully isolated bays are designed to accept a wide variety of modules.
  • Page 16 RS-232C input and output ports allow several of the mainframes to be connected together to build large test and characterization stations. As your instrumentation needs change the Model 8000 Modular Controller will adapt to all your new laser diode applications giving you the ultimate in flexible laboratory equipment.

  • Page 17: Available Options And Accessories

    Model 8000 Temperature Controller (TEC) Module 8325D 2.5A/6V 15W Dual Temperature Controller Module 8350 5A/8V 40W Temperature Controller Module Model 8000 Laser Diode Driver (LDD) Modules 8505 500 mA Laser Diode Driver Module 8510 1,000 mA Laser Diode Driver Module...

  • Page 18: Safety Terms And Symbols

    Laser Diode Driver/Mount Cable 8000-RACK Rack Mount Kit 8008-RACK Rack Mount Kit Newport Corporation also supplies temperature controlled mounts, lenses, and other accessories. Please consult with your representative for additional information. Safety Terms and Symbols 1.4.1 Terms The following safety terms are used in this manual: The WARNING heading in this manual explains dangers that could result in personal injury or death.

  • Page 19: Symbols

    42 VDC or 42V peak AC. Do not exceed 42V between any portion of the Model 8000 (or any attached detector or probe) and earth ground or a shock hazard will result. CAUTION There are no serviceable parts inside the Model 8000.

  • Page 20: System Operation

    However, be sure that the voltage setting is correct on the power input module and correct fuses are installed per section 5.2 before connecting to an AC source. The 8000 is shipped set for 120 VAC and a caution sticker is placed on the input power connector.

  • Page 21: Tilt-Foot Adjustment

    8000 hardware and software are communicating. If the 8000 cannot successfully complete this test, an error message will be displayed. After this test, the 8000 is configured to the state it was in when the power was last shut off and displays the master display.

  • Page 22: Introduction To The 8000 Front Panel

    Chapter 2 System Operation Introduction to the 8000 Front Panel 2.3.1 Front Panel Familiarization Described below are the functions of each area of the front panel, as shown in Figure Figure 1 - 8000 Front Panel Power On/Off Switch - Switches on/off the AC power to the unit.

  • Page 23: General Operation

    2.4.1 Display Elements The Model 8000 uses a graphical display to depict information about the current state of the system. The display can be broken down into four basic elements: static fields, non-editable data fields, editable data fields, and soft key labels.
  • Page 24 This state is used primarily to lockout specific data elements from front panel change when the Model 8000 is in remote mode. Any IEEE-488 or RS-232 communication will place the unit in remote mode, and editable fields that are protected during remote operations change to the read only state.

  • Page 25: Function Keys

    1 key, then release both. This would enter the setup screen for function 1. To execute function 1, press and release the FUNC key, then press and release the 1 key. If functions are not setup/supported for a particular key, the 8000 will beep.

  • Page 26: Menu Structure

    Slot 1 Setup Slot 2 Sub Slot 2a Setup Sub Slot 2b Configure Menu System Save/Recall Linking Calibration Communications Local Figure 3 - Model 8000 Menu Structure Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 27: Master Display

    Chapter 2 System Operation 2.4.4 Master Display The Master Display is shown in Figure 4 and Figure 5. This is the highest level display and indicates the general status of up to four modules or submodules in the system at a time. The master display has two modes of operation, Expanded and Condensed.

  • Page 28: Main Menu

    Local - When the unit is in remote mode, either through GPIB or RS-232C communications, the Local soft key will be available. Pressing it returns the 8000 to a local state. When in local mode, this key does not appear on the display.

  • Page 29: Configure Menu

    System Configure Screen Figure 7 - Configure System Screen The system configure screen controls basic operation of the 8000 system. Brightness varies the backlighting intensity. Contrast is used to optimize the viewing angle. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 30: Save/Recall Screen

    Audible Beep controls the system’s audible beeper. The beeper indicates errors, invalid data entry, and other situations where the 8000 needs to alert the user. On Delay controls the delay time from the moment a Laser Diode Driver is turned on by the user to the actual time the output is energized.

  • Page 31: Figure 8 - Save/Recall Screen

    8000 are stored. The user selects a “bin” number for saving the parameters. Then, when that “bin” number is recalled, the 8000 is restarted and the parameters are reconfigured to the previously stored values.

  • Page 32: Linking Screen

    Chapter 2 System Operation 2.4.9 Linking Screen Figure 9 - Link Screen The linking screen allows the condition of one module to affect one or more other modules in the system. The Clr All soft key allows clearing of all defined links. To clear a single link, simply change the Src field to None.

  • Page 33: Calibration Screen

    Display Errors While Remote controls the announcement of errors on the 8000’s screen. When this setting is set to Yes, then all errors will pop up on the 8000 screen, even in remote mode. When the setting is No, error’s are not displayed on the 8000 screen while in remote mode (but will be displayed in local mode).

  • Page 34: Rear Panel Familiarization

    8000. Display of error messages on the 8000 screen may be disabled while in remote mode by setting Display Errors While Remote to No. Errors will continue to accumulate in the error queue, but will not be displayed on-screen.

  • Page 35: Input Power Connector

    Chapter 2 System Operation 2.5.3 Input Power Connector Accepts a standard line cord for AC input. Also selects one of four AC input settings: 100V, 120V, 220V, and 240V. The cord must be removed to change the setting. A small screwdriver will open the top of the module and expose the rotary switch. Select the range that is closest to your expected nominal RMS line voltage.

  • Page 36: Main Supply

    It also provides fan power and RS232 drive. Warm Up and Environmental Consideration Operate the 8000 at an ambient temperature in the range of 0 to +40°C. Storage temperatures should be in the range of -20 to +60°C. To achieve rated accuracy, let the 8000 warm up for 1 hour.
  • Page 37 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 38: Laser Diode Driver Module Operation

    The 8500 and 8600 Series laser modules are precision current source modules for use in the 8000 Modular Controller. It may be installed in any of the bays at the rear of the 8000 and may be interchanged with any other module.

  • Page 39: Laser Diode Protection Requirements

    Turn the 8000 power off. Installing a module with the 8000 on can damage the module and the 8000. Place the module into an open bay on the back of the 8000 and slide the module into place. There are tracks at the top and bottom of the bay which guide the module into place.

  • Page 40: Figure 13 - Laser Diode Protection Circuit

    Chapter 3 Laser Diode Driver Module Operation ♦ Recess the laser diode inside a metal shielded enclosure, such as a Model 700C laser diode mount, recessed at least ¼” with the minimum aperture necessary to allow beam exit (less than 0.125”). ♦...

  • Page 41: Laser Safety Features

    3.2.3 Turn On Delay The 8000 is CDRH Compliant with a user programmable turn on delay. The default turn on delay is three seconds, but is user programmable from 0 to 30 seconds. The delay setting is in the system configure screen, which can be reached by pressing the MENU button, followed by the Config soft key, then the System soft key.

  • Page 42: Modulation

    Chapter 3 Laser Diode Driver Module Operation Interlock Chassis Ground Laser Cathode Photodiode Cathode (+) Photodiode Anode (-) Laser Anode Table 1 - Laser Connector Pinouts For MOPA modules, a 15-pin male D-connector is used for the MOPA cable and a 9- pin male connector is used for the TEC jumper cable, as shown below.

  • Page 43: Photodiode Bias Control

    Connecting to Your Laser When connecting laser diodes and other sensitive devices to the module, we recommend that the 8000 be powered-up and the laser output be off . In this condition, a low impedance shunt is active across the output terminals. When disconnecting devices, it is only necessary to turn the laser output off.

  • Page 44: Laser Diode Connections And Shielding

    Chapter 3 Laser Diode Driver Module Operation 3.4.1 Laser Diode Connections and Shielding CAUTION Before connecting the laser diode to the module, be sure that the LASER ENABLE is in the OFF position. Before turning on the laser output, be sure that the current limit and voltage compliance limit have been correctly set.

  • Page 45: Photodiode Feedback Connections

    Chapter 3 Laser Diode Driver Module Operation left floating relative to earth ground to suppress AC power-on/power-off transients that may occur through an earth-ground path. If the output circuit is earth-grounded at some point (such as through the laser package and mount), the user must be careful to avoid multiple earth grounds in the circuit.

  • Page 46: Sync Out - Option

    3.5.1 Quick Start After the power-on sequence is complete, the 8000 goes to the Master display. To set up a laser module, press the MENU button, then the Modules soft key, then select the slot that the module resides in, and finally, the Setup soft key. At this point, the display shows all laser parameters.

  • Page 47: Laser Main Screen

    OFF/ON - Indicates the state of the laser's output. Pushing the adjacent soft key toggles the state. Mod - This button will be available only on 8000-22 combo modules while in Io mode. Pushing the adjacent soft key activates the modulation setup screen.

  • Page 48: Laser Setup Screen

    Chapter 3 Laser Diode Driver Module Operation Short When illuminated, indicates the system has detected a short circuit. Only detected when the unit is on. When illuminated, indicates the unit is out of tolerance as defined Out of Tol by the Tol Time and Tol Iop setings in the Laser Setup Screen. 3.5.3 Laser Setup Screen The laser setup screen is shown in Figure 19 and described in detail below.
  • Page 49 Chapter 3 Laser Diode Driver Module Operation 3.5.3.2 Bandwidth This setting is used to control noise and laser current modulation rates. Allowable settings are Low, Low CW, and High. Low CW allows a maximum modulation rate of 30 Hz, and operates with the least noise. Low allows up to 10 kHz modulation, while High allows full bandwidth modulation.

  • Page 50: Laser Modulation Setup Screen

    3.5.4 Laser Modulation Setup Screen Newer combo modules (8000-22) have onboard modulation circuits. The modulation setup screen has six variables, Mod Enable, Mod Frequency, Mod Amplitude, Mod Type, Io min, and Io max. Mod Amplitude, Io min, and Io max are interrelated, see below.

  • Page 51: Link Conditions

    Chapter 3 Laser Diode Driver Module Operation 3.5.4.1 Mod Enable Mod Enable turns the modulation circuit on or off. 3.5.4.2 Mod Frequency The modulation circuit is capable of a frequency between 200 Hz to 300 kHz. Below 2 kHz, the frequency is displayed in Hz, while above 2 kHz, the frequency is displayed in kHz.

  • Page 52: Table 3 - Laser Link Conditions

    Chapter 3 Laser Diode Driver Module Operation Condition Description Laser output is on Laser output is off Laser is out of tolerance Out Tol Laser is in tolerance In Tol Laser is current limiting Io Lim Laser has reached its voltage limit Laser has exceeded photodiode current limit Po Lim Laser has exceeded photodiode power limit...

  • Page 53: Laser Module Theory Of Operation

    Chapter 3 Laser Diode Driver Module Operation Laser Module Theory of Operation Figure 20 shows the functionality of the Laser Module. The following sections detail the theory of operation for each of the blocks in Figure 20. The circuit block diagrams for each laser mode of operation are shown in Figure 21, Figure 22, and Figure 23.

  • Page 54: Set Point Dac

    Chapter 3 Laser Diode Driver Module Operation becomes the Limit Set Point voltage for the Output Stage. The current limit value is updated at power-up, at a "bin" recall, and whenever a LIM I value is changed. 3.6.3 Set Point DAC The microprocessor loads the current set point value into the 16-bit DAC.

  • Page 55: Constant Current, High Bandwidth Mode

    Chapter 3 Laser Diode Driver Module Operation 3.6.9 Constant Current, High Bandwidth Mode This mode of laser operation is shown in Figure 21. In this mode, current feedback is used to control the laser output. The bandwidth is between 50 kHz and 500 kHz, depending on the model.

  • Page 56: Constant Power Mode

    Chapter 3 Laser Diode Driver Module Operation Unregulated DC Voltage Regulator Modulation Input Pass Transistor Current Set Point Output Shorting Laser Diode Current Sense Figure 22 - Constant Current - Low Bandwidth Mode 3.6.11 Constant Power Mode In constant P mode the laser circuit is configured as shown in Figure 23. Photodiode feedback is used to control the laser output and the bandwidth is held low.

  • Page 57: Laser Interlock Operation

    Chapter 3 Laser Diode Driver Module Operation 3.6.12 Laser Interlock Operation The back panel laser input/output connector has interlock connections which must be connected before the laser output will be enabled. On the laser input/output connector pins 1 and 2 form the interlock path. If there is not a connection between these pins the laser output will not be enabled.

  • Page 58: Temperature Controller Module Operation

    The 8300 and 8600 Series Temperature Control Modules are precision thermoelectric cooler control modules for use in the 8000 Modular Controller. It may be installed in any of the channel slots on the rear of the 8000, and may be interchanged with any other.

  • Page 59: Tec Safety Features

    Turn the 8000 power off. Installing a module with the 8000 on can damage the module and the 8000. Place the module into an open bay on the back of the 8000 and slide the module into place. There are tracks at the top and bottom of the bay which guide the module into place.

  • Page 60: Tec Grounding Consideration

    4.4.1 Quick Start After the power-on sequence is complete, the 8000 goes to the Master display. To set up a TEC module, press the MENU button, then the Modules soft key, then select the slot that the module resides in, and finally, the Setup soft key. At this point, the display shows all TEC parameters.

  • Page 61: Figure 24 - Tec Main Screen

    Chapter 4 Temperature Controller Module Operation Figure 24 - TEC Main Screen =, T =, R =, i =, and v = - Indicates the set point value of current, temperature resistance, AD590 sensor current, or LM335 sensor voltage. In the screen shown above, the T is shown.

  • Page 62: Tec Setup Screen

    Chapter 4 Temperature Controller Module Operation When illuminated, indicates that the TEC is heating or cooling. Heating/Cooling Out of Tol When illuminated, indicates that the TEC is out of tolerance as defined by Tol Time and Tol Temp in the setup screen. 4.4.3 TEC Setup Screen The TEC Setup screen is shown in Figure 25.
  • Page 63 This mode holds the TEC at a constant temperature based on feedback from the sensor in the TEC mount, using “T =” and “T=” variables. In this mode, the 8000 uses a control loop comparing the sensor input to the temperature set point, driving the I current positive or negative to reach and maintain that set point.
  • Page 64 Chapter 4 Temperature Controller Module Operation 4.4.3.4.2 Constant Resistance/Reference Mode (Const R/Const v/Const i) This mode operates identically to the Const T mode, but the sensor input is not converted to temperature, but is displayed in unconverted form. Likewise, the set point is used directly, not converted from temperature.

  • Page 65: Link Conditions

    Chapter 4 Temperature Controller Module Operation or Const R mode when the temperature limit is exceeded (if the output off bits are enabled for this condition). Caution: these limits do not apply if the sensor type is set to “None.” 4.4.3.5.3 Resistance/Reference Limits (Limit R and Limit R...

  • Page 66: Sensors

    TEC has exceeded R limits (high or low) R Lim TEC module is open Open Table 5 - TEC Link Conditions See the section in the main Model 8000 manual of linking for a complete description of the linking process. Sensors 4.5.1 Thermistor and Thermistor Current Selection 4.5.1.1...

  • Page 67: Figure 26 - Thermistor Temperature Range

    Thermistor resistance and voltage are related through Ohm's Law (V = I x R). The 8000 supplies current to the thermistor, either 10 µA or 100 µA , and as the resistance changes a changing voltage signal is available to the thermistor inputs of the 8000.
  • Page 68 Temperature Resolution You must also consider measurement resolution since the resolution decreases as the thermistor temperature increases. The 8000 uses an A/D converter that has a maximum resolution of about 76 µV. The microprocessor converts this digital number to resistance, stores this resistance, then converts it to a temperature using the Steinhart-Hart equation, and stores this temperature.
  • Page 69 If you require a different temperature range or the accuracy you need can't be achieved with either current setting, select another thermistor. Thermistor temperature curves, supplied by the manufacturer, show the resistance verses temperature range for many other thermistors. Newport, Inc. will also offer help for your specific application. 4.5.1.6...

  • Page 70: Table 6 - Comparison Of Curve Fitting Equations

    Chapter 4 Temperature Controller Module Operation Figure 27 - Thermistor Resistance versus Temperature ---------Error T (°C)---------- T Actual First Third Order Order Fit. Eq. 1 Fit. Eq. 2 97072 -20.00 -0.00 -0.32 55326 -10.00 0.00 -0.06 32650 0.00 -0.00 0.09 19899 10.00 -0.00...

  • Page 71: Ad590 And Lm335

    4.5.1.7 Table of Constants We have listed some common thermistors and included the appropriate calibration constants for the temperature range -20°C to 50°C in Table 7. The Model 8000, by default, uses the BetaTHERM 10K3A2 thermistor values. Manufacturer BetaTHERM 10K3 1.129241...
  • Page 72 = C1 + (C2 * T ), is then computed, where C1 and C2 are the constants stored in the 8000 for the AD590. The AD590 grades of tolerance vary, but typically without adjusting C1 and C2, the temperature accuracy is ±1°C over its rated operating range.

  • Page 73: Figure 28 - Ad590 Nonlinearity

    , which is displayed by the 8000 is calculated as follows: = C1 + (C2 * T where C1 and C2 are the constants stored in the 8000 for the LM335. When the LM335 is calibrated to 25°C, C1 = 0 and C2 = 1, and the temperature accuracy is typically ±0.5°C over the rated operating range.
  • Page 74 It is used to determine the zero offset of the device, and it assumes that the gain (slope) is known. Allow the 8000 to warm up for at least one hour. Select the desired sensor type in the setup menu.

  • Page 75: Rtd Sensors

    The accuracy of this procedure depends on the accuracy of the externally measured temperature. It is used to determine the zero offset of the device and the gain (slope). Allow the 8000 to warm up for at least one hour. Select the desired sensor type in the setup menu.

  • Page 76: Table 8 - Rtd Constants

    Chapter 4 Temperature Controller Module Operation t is the temperature in °C. 4.5.3.1 RTD Constants The constants entered for an RTD depend on the type of curve it has. Table 8 shows three standard types. Curve (Ω Ω Ω Ω /Ω Ω Ω Ω /° ° ° ° C) Laboratory .003926 3.9848x10...

  • Page 77: Tec Module Theory Of Operation

    Chapter 4 Temperature Controller Module Operation TEC Module Theory of Operation Figure 29 shows the functionality of the TEC module. The following sections detail the theory of operation for each of the blocks in Figure 29. To Microprocessor Optically Limit Set Point Isolated Limit DAC Serial Bus...

  • Page 78: Set Point Dac

    Chapter 4 Temperature Controller Module Operation 4.6.3 Set Point DAC The microprocessor loads the digitally stored current set point value into the set point 16-bit DAC. The Set Point DAC converts a digital set point signal from the microprocessor to a voltage which becomes the set temperature input to the PI control loop.

  • Page 79: Tec Control Modes

    4.6.9 TEC Control Modes The 8000 provides three control modes for operation, constant T (temperature), constant R (resistance, voltage, or current), and constant ITE (current) modes. Each of these modes is discussed in the following sections.
  • Page 80 Chapter 4 Temperature Controller Module Operation When an AD590 sensor is used, another two-point conversion equation is used to determine the temperature. Its reference current is sensed across a resister, and this voltage is measured. The ITE current is also measured. 4.6.9.2 R Mode In constant R mode, the TEC is driven to the set point resistance, voltage, or current.
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  • Page 82: Maintenance

    Do not attempt to remove the cover. Fuse Replacement The fuses are accessible on the back panel of the 8000. Before replacing a fuse, turn power off and disconnect the line cord. Use only the fuses indicated below.
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  • Page 84: Calibration

    0°C to 40°C. 6.1.2 Warm-Up The 8000 should be allowed to warm up for at least 1 hour before calibration. Laser Calibration This chapter describes how to calibrate the 8500/8600 Series laser modules. 6.2.1 Recommended Equipment Recommended test equipment for calibrating the module is listed in Table 1.

  • Page 85: Drive Current Load Resistor Selection

    Chapter 6 Calibration 6.2.2 Drive Current Load Resistor Selection Laser Drive Current Resistor 30 Ω, 2 W 200 mA 10 Ω, 5 W 500 mA 5 Ω, 10 W 1,000 mA 2 Ω, 25 W 3,000 mA 1 Ω, 50 W 6,000 mA Table 10 - Drive Current Load Resistor Selection 6.2.3...

  • Page 86: Remote Operation Current Source (Io) Calibration

    8000 will apply a new current equal to approximately one-fourth (¼) the previous set point. The 8000 will be ready to receive the second current value when, after a LAS:CAL:LDI? query is sent, the response from the 8000 is "1".

  • Page 87: Local Operation I Pd Current Calibration

    P modes. The user enters the actual value of the current, as measured by an external DMM. The 8000 then automatically calibrates the laser feedback circuits. MOPA modules have photodiode feedback circuits on channel B only. The I calibration circuit is diagrammed below.

  • Page 88: Remote Operation I

    Chapter 6 Calibration where V is the measured voltage across the resistor, and R is the measured load resistance. Go to the single module display by first pressing the MENU button, then the Modules soft key, then the soft key(s) that corresponds to the module to be calibrated.

  • Page 89: Local Operation Laser Voltage Measurement Calibration

    After a few seconds, the 8000 will be ready for the actual photodiode current to be entered via the LAS:MDI command. The measured value of the current should not be entered until the 8000 is ready to receive it. The 8000 will be ready to receive the current value when, after a LAS:CAL:MDI? query is sent, the response from the 8000 is "1".

  • Page 90: Remote Operation Laser Voltage Measurement Calibration

    8000 will apply a new current equal to approximately one-fourth (¼) the previous set point. The 8000 will be ready to receive the second voltage value when, after a LAS:CAL:LDV? query is sent, the response from the 8000 is "1".

  • Page 91: Tec Calibration

    8000 leaves the current calibration mode. If, at any time prior to the second LAS:LDV, a command other than LAS:LDV or LAS:CAL:LDV? is sent to the 8000, the 8000 will cancel the calibration mode and then process the command(s). The *OPC? query may be used to determine when the calibration is completed.

  • Page 92: Local Operation Thermistor Calibration

    TEC:R <nrf value> command. If, at any time prior to TEC:R, a command other than TEC:R or TEC:R? is sent to the 8000, the 8000 will cancel the calibration mode Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 93: Local Operation Ad590 Sensor Calibration

    Enter the TEC:SEN 4 and TEC:CAL:SEN to select the AD590 sensor and enter sensor calibration mode. The 8000 will be ready to receive the current value when, after a TEC:CAL:SEN? query is sent, the response from the 8000 is “1”.

  • Page 94: Local Operation Lm335 Sensor Calibration

    Calibration If, at any time prior to TEC:R, a command other than TEC:R or TEC:R? is sent to the 8000, the 8000 will cancel the calibration mode and then process the command(s). Once the TEC:R value is sent, the OPC? query may be used to determine when the calibration is completed.

  • Page 95: Local Operation Rtd Calibration

    <nrf value>) via the TEC:R <nrf value> command. If, at any time prior to TEC:R, a command other than TEC:R or TEC:R? is sent to the 8000, the 8000 will cancel the calibration mode and then process the command(s).

  • Page 96: Rtd Lead Resistance Calibration (Offset Null)

    <nrf value>) via the TEC:R <nrf value> command. If, at any time prior to TEC:R, a command other than TEC:R or TEC:R? is sent to the 8000, the 8000 will cancel the calibration mode and then process the command(s). Once the TEC:R value is sent, the OPC? query may be used to determine when the calibration is completed.

  • Page 97: Remote Operation Ite Current Calibration, Single Channel Tec Modules

    Chapter 6 Calibration With the output off, connect a 1 Ω, 50 W resistor and a calibrated ammeter in series across the laser output terminals. If an ammeter with the appropriate current ratings is unavailable, connect a 1 Ω, 50 W resistor across the laser output terminals and use a calibrated DMM to measure the voltage across the resistor.

  • Page 98: Remote Operation Ite Current Readback Calibration, Dual And Combo Tec Modules85

    TEC:CAL:ITE? query is sent, a “1” is returned. Input the actual current (as an <nrf value>) via the TEC:ITE <nrf value> command. The 8000 will then drive the current to 25% of the initial set point. The 8000 will be ready to receive the second measured current value when, after a TEC:CAL:ITE? query is sent, a “1”...
  • Page 99 Input the second actual current (as an <nrf value>) via the TEC:ITE <nrf value> command. The 8000 will then drive the current to the negative current value of the initial set point. The 8000 will be ready to receive the third measured current value when, after a TEC:CAL:ITE? query is sent, a “1”...
  • Page 100 <nrf value> command. If, at any time prior to the last TEC:ITE, a command other than TEC:ITE or TEC:ITE? is sent to the 8000, the 8000 will cancel the calibration mode and then process the command(s). Once the TEC:ITE value is sent, the OPC? query may be used to determine when the calibration is completed.
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  • Page 102: Factory Service

    2. Instrument serial number (On rear panel) 3. Description of the problem. If the instrument is to be returned to Newport Corporation, you will be given a Return Materials Authorization (RMA) number, which you should reference in your shipping documents as well as clearly marked on the outside of the shipping container.
  • Page 103 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 104 Service Form Newport Corporation USA Office: 949/863-3144 FAX: 949/253-1800 Name RETURN AUTHORIZATION # Company (Please obtain prior to return of item) Address Country Date P.O. Number Phone Number Item(s) being returned: Model # Serial # Description Reason for return of goods (please list any specific problems)
  • Page 105 (factory, controlled laboratory, out-of-doors, etc.) What power line voltage is used? Variation? Frequency? Ambient Temperature? Any additional information. (If special modifications have been made by the user, please describe below) Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 106: Error Messages

    TEC Control Errors E-500 to E-599 Laser Control Errors Table 12 contains all of the error messages which may be generated by the 8000. Not all of these messages may be displayed. Some refer to GPIB activities only, for example.
  • Page 107 Chapter 8 Error Messages Error Code Explanation E-109 <DECIMAL PROGRAM DATA> more than exponential indicator (E). E-110 <SUFFIX PROGRAM DATA> must have digit following sign. E-111 <SUFFIX PROGRAM DATA> must have character following operator. E-113 <ARBITRARY BLOCK PROGRAM DATA> less than digit count.
  • Page 108 Chapter 8 Error Messages Error Code Explanation E-211 <PROGRAM DATA> will not convert to a character value. E-212 <PROGRAM DATA> will not convert to a byte array pointer. E-213 <PROGRAM DATA> is incorrect block data length. E-214 <PROGRAM DATA> length exceeds maximum. E-216 Present configuration has changed from last stored configuration.
  • Page 109 Chapter 8 Error Messages Error Code Explanation E-504 Laser current limit disabled output. E-505 Laser voltage limit disabled output. E-506 Laser photodiode current limit disabled output E-507 Laser photodiode power limit disabled output. E-508 TEC link disabled laser. E-509 Laser short circuit disabled output E-510 Laser out of tolerance disabled output.

  • Page 110: Specifications

    Specifications Model 8000 Modules 9.1.1 8540M MOPA Laser Diode Driver Module Specifications Oscillator Amplifier Laser Output Output Current Range (mA) 0 to 500 mA 0 to 4,000 mA Output Current Resolution (mA) 0.0076 0.0610 Output Current Accuracy 0.03 + 15 µA 0.03 + 120 µA...

  • Page 111: Temperature Controller (Tec) / Dual (Tec) Module Specifications

    Chapter 9 Specifications Optical Power Resolution (mW) 0.01 9.1.2 Temperature Controller (TEC) / Dual (TEC) Module Specifications Specifications 8350 8325D (Dual) TEC Output Maximum Current 5 Amps 2.5 Amps Maximum Voltage 8 Volts 6 Volts Typical Power 40 Watts 15 Watts TE Current Resolution (mA) 0.153 0.076...
  • Page 112 Chapter 9 Specifications RTD (100Ω Ω Ω Ω ) Temperature Sensors Thermistor AD590 LM335 Temp Control Resolution 0.01 °C 0.01 °C 0.01 °C 0.01 °C Temp Control Accuracy ± 0.05 °C ± 0.05 °C ± 0.05 °C ± 0.05 °C Sensor Bias Current or Voltage 10 µA/100 µA +5 Volts...

  • Page 113: Laser Diode Driver (Ldd) Modules

    Chapter 9 Specifications 9.1.3 Laser Diode Driver (LDD) Modules Specifications 8505 8510 8530 8560 Laser Output Output Current Range (mA) 0 to 500 mA 0 to 1,000 mA 0 to 3,000 mA 0 to 6,000 mA Output Current Resolution (mA) (16-bit) 0.0076 0.0153 0.0458...

  • Page 114: Dual Laser Diode Driver (Ldd) Modules

    Chapter 9 Specifications Dual Laser Diode Driver (LDD) Modules 9.1.4 Specifications 8501D 8505D 8510D Laser Output Output Current Range (mA) 0 to 100 mA 0 to 500 mA 0 to 1,000 mA Output Current Resolution (mA) (16-bit) 0.0015 0.0076 0.0153 Output Current Accuracy 0.03 + 5 µA 0.03 + 15 µA...

  • Page 115: Combo Module, Laser Diode Driver (Ldd) Section

    Chapter 9 Specifications 9.1.5 Combo Module, Laser Diode Driver (LDD) Section Specifications 8605 8610 8630 Laser Output Output Current Range (mA) 0 to 500 mA 0 to 1,000 mA 0 to 3,000 mA Output Current Resolution (mA) (16-bit) 0.0076 0.0153 0.0458 Output Current Accuracy 0.03 + 15 µA...
  • Page 116 Chapter 9 Specifications Optical Power Range (mW) 0.00 to 500.0 0.00 to 1000.0 0.00 to 3,000.00 Optical Power Resolution (mW) 0.01 0.01 0.01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 117 Chapter 9 Specifications 9.1.5.1 Combo Module, TEC Section Specifications 86xx TEC Output Maximum Current 2.5 Amps Maximum Voltage 6 Volts Typical Power 15 Watts Current Limit Range 0 to 2.5 Amps Accuracy ± 10 mA Ripple/Noise (rms) < 1 mA Short Term Stability (1 hour) (30°C) <...

  • Page 118: Model 8008 Modules

    Chapter 9 Specifications Model 8008 Modules 9.2.1 Dual Laser Diode Driver (LDD) Modules Specifications 8501.8D 8505.8D 8510.8D Laser Output Output Current Range (mA) 0 to 100 mA 0 to 500 mA 0 to 1,000 mA Output Current Resolution (mA) (16-bit) 0.0015 0.0076 0.0153...

  • Page 119: Combo Module, Laser Diode Driver (Ldd) Section

    Chapter 9 Specifications 9.2.2 Combo Module, Laser Diode Driver (LDD) Section Specifications 8601.8C 8605.8C 8610.8C Laser Output Output Current Range (mA) 0 to 100 mA 0 to 500 mA 0 to 1,000 mA Output Current Resolution (mA) (16-bit) 0.0015 0.0076 0.0153 Output Current Accuracy 0.03 + 5 µA...
  • Page 120 Chapter 9 Specifications Optical Power Resolution (mW) 0.01 0.01 0.01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 121 Chapter 9 Specifications 9.2.2.1 Combo Module, TEC Section Specifications 86xx.8C TEC Output Maximum Current 2 Amps Maximum Voltage 4 Volts Typical Power 8 Watts Current Limit Range 0 to 2 Amps Accuracy ± 10 mA Ripple/Noise (rms) < 1 mA Short Term Stability (1 hour) (30°C) <...

  • Page 122: Mainframe And General Specifications

    Isolation All modules electrically isolated with respect to each other and from earth ground. In accordance with ongoing efforts to continuously improve our products, Newport Corporation reserves the right to modify product specifications without notice and without liability for such changes.
  • Page 123 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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