Agilent Technologies 81650A User Manual
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Agilent Technologies 81650A User Manual

Laser source modules
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Agilent 81650A/1A/2A/4A/5A/6A/7A
Laser Source Modules
User's Guide
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Summary of Contents for Agilent Technologies 81650A

  • Page 1 Agilent 81650A/1A/2A/4A/5A/6A/7A Laser Source Modules User’s Guide...
  • Page 2 Agilent Technologies Sales and Service Office. Herrenberger Str. 130 Certification 71034 Böblingen Germany Agilent Technologies Inc. certifies that this product met its published specifications at the time of shipment from Subject Matter the factory. The material in this document is subject to change Agilent Technologies further certifies that its calibration without notice.

  • Page 3: Safety Considerations

    Agilent Technologies Inc. assumes no liability for the customer’s failure to comply with these requirements. Before operation, review the instrument and manual, including the red safety page, for safety markings and instructions.

  • Page 4: Line Power Requirements

    W A R NI N G You MUST return instruments with malfunctioning laser modules to an Agilent Technologies Service Center for repair and calibration. Line Power Requirements The Agilent 81650A/1A/2A/4A/5A/6A/7A Laser Source Modules operate when installed in the Agilent 8163A/B Lightwave Multimeter, Agilent 8164A/B Lightwave Measurement System, and Agilent 8166A/B Lightwave Multichannel System.
  • Page 5 Max. permissible CW output power 52 mW 163 mW 52 mW/163 mW * Max. CW output power is defined as the highest possible optical power that the laser source can pro- duce at its output connector. . Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 6: Laser Safety Labels

    Laser Safety Labels Laser class 1 label Figure 1 Class 1 Safety Label - Agilent 81650A/51A/52A/54A Laser class 1M label Figure 2 Class 1M Safety Label - Agilent 81655A/6A/7A A sheet of laser safety labels is included with the laser module as required.
  • Page 7 • The laser module has built-in safety circuitry which will disable the optical output in the case of a fault condition. • Refer servicing only to qualified and authorized personnel. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 8 Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 9: Table Of Contents

    CW power stability due to backreflection Laser Source Module Specifications Laser Source Module Specifications (Standard modules, 0 dBm) Supplementary Performance Characteristics Laser Safety Information Laser Source Module Specifications (High Power, 13 dBm) Supplementary Performance Characteristics Laser Safety Information Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 10 Infrared Sensor Card Preserving Connectors Cleaning Instrument Housings Which Cleaning Procedure should I use ? How to clean connectors How to clean connector adapters How to clean connector interfaces How to clean bare fiber adapters Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 11 How to clean optical devices which are sensitive to mechanical stress and pressure How to clean metal filters or attenuator gratings Additional Cleaning Information How to clean bare fiber ends How to clean large area lenses and mirrors Other Cleaning Hints Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 12 Table of Contents Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 13: Laser Sources

    Laser Sources Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 14 Laser Sources This chapter introduces the features of the HP 8163A Lightwave Multimeter & HP 8164A Lightwave Measurement System. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 15: Getting Started With Laser Source Modules

    A laser source module is a laser source that emits radiation at a specific optical wavelength. The specific wavelength for each of the Agilent Technologies range of fixed wavelength laser source modules can be found in the Specifications chapter of the relevant module’s User’s Guide.

  • Page 16: Optical Output

    HP 8164A Lightwave Measurement System are equipped with an straight contact optical output connector as standard. Straight Contact Connector Symbol Figure 4 Straight Contact Connector Symbols Figure 4 shows the symbol for straight contact connectors. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 17: Accessories

    Accessories Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 18 Accessories The Agilent 81650A/1A/2A/4A/5A/6A/7A Laser Source Modules are available in various configurations for the best possible match to the most common applications. This chapter provides information on the available options and accessories. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 19: Modules And Options

    81653A 1650 nm Fabry Perot 81654A 1310/1550 nm Fabry Perot Connector Interfaces Connector 81000AI Diamond HMS-10 Interface 81000FI FC/PC/SPC 81000GI D4 81000HI E-2000 81000KI SC/PC/SPC 81000SI DIN 47526 81000VI ST 81000WI Biconic Figure 5 Recommended Connector Interfaces Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 20 Accessories Modules and Options Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 21: Specifications

    Specifications Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 22 Specifications The Agilent 81650A/1A/2A/4A/5A/6A/7A Laser Source Modules are produced to the ISO 9001 international quality system standard as part of Agilent Technologies’s commitment to continually increasing customer satisfaction through improved quality control. Specifications describe the modules’ and heads’ warranted performance. Supplementary performance characteristics describe the modules’...

  • Page 23: Definition Of Terms

     λ Σ λ λ ∆   FHQWHU   WRWDO λ λ ∆ ∆ ):+0 where:λ =center wavelength of laser diode in vacuum center =Σ P = total power, in watts total Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 24: Output Power

    P to address the fact that back the CW stability is specified for a range of backreflectances. However, the highest backreflection is the most critical by experience. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 25 The ratio of the incident optical power P to the reflected optical power P of an optical component is called return loss, back symbol RL:     10 log   EDFN Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 26: Laser Source Module Specifications

    Dimensions (H x W x D) Weight 0.5 kg Recalibration Period 2 years 0°C to +45°C Operating Temperature Non-condensing Humidity 60 minutes Warm-up time 1 Central wavelength is shown on display 2 rms: root mean square Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 27: Supplementary Performance Characteristics

    Laser Safety Information In the USA, the above products are classified as Class I according to 21 CFR 1040.10 (1995). Internationally the same products are classified as Class 1 according to IEC 60825-1 (1998). Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 28: Laser Source Module Specifications (High Power, 13 Dbm)

    3 Class 3A according to IEC 60825-1 (1998) Class IIIb according to FDA CFR 21 (1995) 4 Warm-up time 20 minutes, if previously stored at the same temperature 5 Constant temperature ∆T = ± 1°C Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 29: Supplementary Performance Characteristics

    Laser Safety Information In the USA, the above products are classified as Class IIIb according to 21 CFR 1040.10 (1995). Internationally the same products are classified as Class 3A according to IEC 60825-1 (1998). Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 30 Specifications Laser Source Module Specifications Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 31: Performance Tests

    Performance Tests Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 32 The procedures in this section test the optical performance of the instrument. The complete specifications to which the Agilent 81650A/1A/2A/4A/5A/6A/7A Laser Source module is tested are given in “Performance Tests” on page 31. All tests can be performed without access to the interior of the instrument. The performance tests refer specifically to tests using the Diamond HMS-10/Agilent connector.

  • Page 33: Equipment Required

    Test Record can also be used as a permanent record and may be reproduced without written permission from Agilent Technologies. Test Failure If the Agilent 81650A/1A/2A/4A/5A/6A/7A Laser Source module fails any performance test, return the instrument to the nearest Agilent Technologies Sales/Service Office for repair.

  • Page 34: Instrument Specification

    These specifications, listed in ³6SHFLILFDWLRQV´ RQ SDJH , are the performance standards or limits against which the Agilent Technologies 81650A/1A/2A/4A/5A/6A/7A Laser Source module can be tested. ³6SHFLILFDWLRQV´ RQ SDJH  also lists some supplemental characteristics of the Agilent Technologies 81650A/1A/2A/4A/5A/6A/7A Laser Source module and should be considered as additional information.

  • Page 35: Center Wavelength And Spectral Bandwidth Test

    Press the [ ] softkey. 8 In the field given at the top of the screen, the Fabry-Perot laser test results are shown. Note the mean wavelength as the FWHM bandwidth in the test record. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 36: Example For Agilent Technologies 81650A

    With the connector adapter on the optical head, covered with a plastic cap, zero the powermeter. d Set the averaging time to 500 ms. 4 Connect the equipment as shown in figure D-2. 5 On the Agilent 8163A with the module under test (DUT): Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 37: Stability Test

    9 Start the stability measurement by pressing ’Measure’. Do not touch the cables while the measurement is running. 10 When the stability test has completed, press ’Analysis’, select as unit [dB] and press more. 11 Note the result ∆P in the test record. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 38 Performance Tests Performance Test Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 39 Performance Test Performance Tests Performance Test for the Agilent 81650A Page 1 of 3 Model Agilent 81650A Date ___________ Laser Source Module (1310 nm) Serial No. _________________________ Ambient Temperature ___________°C Options _________________________ Relative Humidity ___________ % Firmware Rev. _________________________ Line Frequency...
  • Page 40 Performance Tests Performance Test Performance Test for the Agilent 81650A Test Equipment Used Page 2 of 3 Description Model No. Trace No Cal. Due Date Lightwave Multimeter (Std.) Agilent 8163A ____________ ___________ TLS Mainframe Agilent 8164A ____________ ___________ Opt. Head Interface Module...
  • Page 41 Performance Test Performance Tests Performance Test for the Agilent 81650A Page 3 of 3 Model Agilent 81650A Sensor Module Report No.________ Date ________________ Min. Max. Measurement Test Center Wavelength Spec. Result Spec. Uncertainty [nm] Accuracy Test measured at _______ nm...
  • Page 42 Performance Tests Performance Test Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 43 Options _________________________ Relative Humidity ___________ % Firmware Rev. _________________________ Line Frequency ___________ Hz Test Facility _________________________ Customer _________________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 44 ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ Accessories Product Product Product Connector Adapters 81000AA Backreflector Kit 8156A #203 Connector Adapters 81000AA Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 45 _______ nm (1550 nm) _______ < 4.5 nm Output Power [dBm] measured at _______ nm (1550 nm) 0 dBm < _______ [dB] [dB] Power Stability measured at _______ nm (1550 nm) _______ < 0.01 Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 46 Performance Tests Performance Test Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 47 Options _________________________ Relative Humidity ___________ % Firmware Rev. _________________________ Line Frequency ___________ Hz Test Facility _________________________ Customer _________________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 48 ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ Accessories Product Product Product Connector Adapters 81000AA Backreflector Kit 8156A #203 Connector Adapters 81000AA Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 49 0 dBm < _______ measured at _______ nm (1625 nm) 0 dBm < _______ [dB] [dB] Power Stability measured at _______ nm (1550 nm) _______ < 0.01 measured at _______ nm (1625 nm) _______ < 0.01 Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 50 Performance Tests Performance Test Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 51 Options _________________________ Relative Humidity ___________ % Firmware Rev. _________________________ Line Frequency ___________ Hz Test Facility _________________________ Customer _________________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 52 ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ Accessories Product Product Product Connector Adapters 81000AA Backreflector Kit 8156A #203 Connector Adapters 81000AA Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 53 0 dBm < _______ measured at _______ nm (1550 nm) 0 dBm < _______ [dB] [dB] Power Stability measured at _______ nm (1310 nm) _______ < 0.01 measured at _______ nm (1550 nm) _______ < 0.01 Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 54 Performance Tests Performance Test Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 55 Options _________________________ Relative Humidity ___________ % Firmware Rev. _________________________ Line Frequency ___________ Hz Test Facility _________________________ Customer _________________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 56 ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ Accessories Product Product Product Connector Adapters 81000AA Backreflector Kit 8156A #203 Connector Adapters 81000AA Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 57 _______ nm (1310 nm) _______ < 5.5 nm Output Power [dBm] measured at _______ nm (1310 nm) 13 dBm < _______ [dB] [dB] Power Stability measured at _______ nm (1310 nm) _______ < 0.01 Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 58 Performance Tests Performance Test Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 59 Options _________________________ Relative Humidity ___________ % Firmware Rev. _________________________ Line Frequency ___________ Hz Test Facility _________________________ Customer _________________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 60 ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ Accessories Product Product Product Connector Adapters 81000AA Backreflector Kit 8156A #203 Connector Adapters 81000AA Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 61 _______ nm (1550 nm) _______ < 7.5 nm Output Power [dBm] measured at _______ nm (1550 nm) 13 dBm < _______ [dB] [dB] Power Stability measured at _______ nm (1550 nm) _______ < 0.01 Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 62 Performance Tests Performance Test Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 63 Options _________________________ Relative Humidity ___________ % Firmware Rev. _________________________ Line Frequency ___________ Hz Test Facility _________________________ Customer _________________________ Performed by _________________________ Report No _________________________ Special Notes ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 64 ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ ____________________________ ____________ ____________ ___________ Accessories Product Product Product Connector Adapters 81000AA Backreflector Kit 8156A #203 Connector Adapters 81000AA Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 65 13 dBm < _______ measured at _______ nm (1550 nm) 13 dBm < _______ [dB] [dB] Power Stability measured at _______ nm (1310 nm) _______ < 0.01 measured at _______ nm (1550 nm) _______ < 0.01 Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 66 Performance Tests Performance Test Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 67: Cleaning Instructions

    Cleaning Instructions Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 68 If you are unsure of the correct cleaning procedure for your optical device, we recommend that you first try cleaning a dummy or test device. Agilent Technologies assume no liability for the customer’s failure to comply with these requirements. Cleaning Instructions for this Instrument The Cleaning Instructions apply to a number of different types of Optical Equipment.

  • Page 69: Safety Precautions

    Dust and other particles, however, can range from tenths to hundredths of microns in diameter. Their comparative size means that they can cover a part of the end of a fiber core, and as a result will reduce the performance of your system. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 70: What Do I Need For Proper Cleaning

    • Compressed air Dust and shutter caps All of Agilent Technologies’ lightwave instruments are delivered with either laser shutter caps or dust caps on the lightwave adapter. Any cables come with covers to protect the cable ends from damage or contamination.

  • Page 71: Isopropyl Alcohol

    Swabs should be used straight out of the packet, and never used twice. This is because dust and dirt in the atmosphere, or from a first cleaning, may collect on your swab and scratch the surface of your optical device. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 72: Soft Tissues

    It is essential that your compressed air is free of dust, water and oil. Only use clean, dry air. If not, this can lead to filmy deposits or scratches on the surface of your connector. This will reduce the performance of your transmission system. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 73: Additional Cleaning Equipment

    Ultrasonic baths are also available from photography or laboratory suppliers or specialist mail order companies. An ultrasonic bath will gently remove fat and other stubborn dirt from your optical devices. This helps increase the life span of the optical devices. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 74: Warm Water And Liquid Soap

    Take care never to look into the end of a fiber or any other optical component, when they are in use. This is because the laser can seriously damage your eyes. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 75: Preserving Connectors

    Keep the caps on the equipment always when it is not in use. All of Agilent Technologies’ lightwave instruments and accessories are shipped with either laser shutter caps or dust caps. If you need additional or replacement dust caps, contact your nearest Agilent Technologies Sales/Service Office.

  • Page 76: Which Cleaning Procedure Should I Use

    W A R NI N G Never look into the end of an optical cable that is connected to an active source. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 77: How To Clean Connector Adapters

    C A U T I O N Some adapters have an anti-reflection coating on the back to reduce back reflection. This coating is extremely sensitive to solvents and mechanical abrasion. Extra care is needed when cleaning these adapters. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 78: How To Clean Connector Interfaces

    3 Blow away any remaining lint with compressed air. Procedure for Stubborn Dirt Use this procedure particularly when there is greasy dirt on the interface: 1 Moisten a new pipe-cleaner with isopropyl alcohol. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 79: How To Clean Bare Fiber Adapters

    2 Clean the adapter by rubbing a new, dry cotton-swab over the surface using a small circular movement. 3 Blow away any remaining lint with compressed air. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 80: How To Clean Lenses

    If you do discover filaments or particles, the only way to clean a fixed connector interface and the input of the optical block is to use compressed air. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 81: How To Clean Instruments With An Optical Glass Plate

    9 µm. This generally means you cannot see streaks or scratches on the surface. To be certain of the degree of pollution on the surface of your interface and to check whether it has been removed after cleaning, you need a microscope. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 82: How To Clean Instruments With A Recessed Lens Interface

    Keep your dust and shutter caps on, when your instrument is not in use. This should prevent it from getting too dirty. If you must clean such instruments, please refer the instrument to the skilled personnel of Agilent’s service team. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 83: How To Clean Optical Devices Which Are Sensitive To Mechanical Stress And Pressure

    1 Blow away any dust or dirt with compressed air. Procedure for Stubborn Dirt To clean devices that are extremely sensitive to mechanical stress or pressure you can also use an optical clean polymer film. This Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 84: How To Clean Metal Filters Or Attenuator Gratings

    1 Put the optical device into a bath of isopropyl alcohol, and wait at least 10 minutes. 2 Remove the fluid using compressed air at some distance and with low pressure. If there are any streaks or drying stains on the surface, repeat the whole cleaning procedure. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 85: Additional Cleaning Information

    Preferred Procedure Use the following procedure on most occasions. 1 Blow away any dust or dirt with compressed air. Procedure for Stubborn Dirt Use this procedure particularly when there is greasy dirt on the lens: Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 86 1 Moisten the lens or the mirror with isopropyl alcohol. 2 Take a new, dry soft-tissue and remove the alcohol, dissolved sediment and dust, by rubbing gently over the surface using a small circular movement. 3 Blow away remaining lint with compressed air. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...

  • Page 87: Other Cleaning Hints

    Never open the instruments as they can be damaged. Opening the instruments puts you in danger of receiving an electrical shock from your device, and renders your warranty void. Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 88 Cleaning Instructions Other Cleaning Hints Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 89 Agilent 81656A 59 Agilent 81657A 63 Center Wavelength 35 Output Power 36 Output Stability 36 Required Equipment 33 Spectral Bandwidth 35 Test Failure 33 Performance tests 32 Safety information for laser source 4 Single-mode module 32 Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 90 Agilent 81650A/1A/2A/4A/5A/6A/7A User’s Guide, Third Edition...
  • Page 92 © Agilent Technologies GmbH 1999 - 2002 Printed in Germany February 20, 2002 '%#" (& 81650-90A13...

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