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HP 81551MM Operating Manual
HP 81551MM Operating Manual

HP 81551MM Operating Manual

Lightwave multimeter source module
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Operating and Programming Manual
HP 81551MM Lightwave
Multimeter Source Module
SERIAL NUMBERS
ABCDE
HP Part No. 81551-90011
Printed in the Federal Republic of Germany
Second Edition
E1294

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Summary of Contents for HP 81551MM

  • Page 1 Operating and Programming Manual HP 81551MM Lightwave Multimeter Source Module SERIAL NUMBERS ABCDE HP Part No. 81551-90011 Printed in the Federal Republic of Germany Second Edition E1294...
  • Page 3 Safety Considerations Initial Inspection To avoid hazardous electrical shock, do not perform W arning electrical tests when there are signs of shipping damage to any portion of the outer enclosure (covers, panels, etc.). Line Power Requirements Operating Environment Storage and Shipment...
  • Page 4 Initial Safety Information for Laser Source Modules HP 81551MM Laser Type Laser Class Output Power > Beam Diameter Numerical Aperture Wavelength...
  • Page 5 Sicherheitsinformation f  ur Laser Quellen HP 81551MM Laser Typ Laser Klasse Ausgangsleistung > Strahldurchmesser Numerische Apertur Wellenl  ange...
  • Page 6 Informations et Consignes de S  ecurit  e Relatives  a l'Utilisation des Lasers. HP 81551MM Type de Laser Classe du Laser Puissance de Sortie > Diam ^ etre du Faisceau Ouverture Num  erique Longueur d'Onde...
  • Page 7 Contents C. HP 81551MM Speci cations D. HP 81551MM Performance Tests E. Cleaning Procedures Contents-1...
  • Page 8 Figures Tables Contents-2...
  • Page 9 HP 81551MM Speci cations Table C-1. HP 81551MM Speci cations Fabry Perot Laser Laser Type 10nm Central Wavelength multimode, 50/125 Fiber type 1.5nm rms Spectral Bandwidth < -2dBm Output Power > CW-Stability Short Term (15min, T=constant) 0.01dB Long Term (6h, T= 0 C to 55 0.06dB...
  • Page 10 Suppelementary Performance Characteristics Internal Digital Modulation Output Attenuation Stability Spectral Bandwidth (FWHM) C-2 HP 81551MM Speci cations...
  • Page 11 HP 81551MM Performance Tests Introduction Equipment Required Instrument/Accessory Recommended Model HP 81551MM Performance Tests D-1...
  • Page 12 Test Record Test Failure Instrument Speci cation Performance Tests Note D-2 HP 81551MM Performance Tests...
  • Page 13 Output Power and Stability T ests Speci cations: > Output Power Test Zero Figure D-1. Performance Test Setup HP 81551MM Performance Tests D-3...
  • Page 14 Param Param Attenuation Function Test Disp Modulation Function Test Param Stability T est Param Param D-4 HP 81551MM Performance Tests...
  • Page 15 Zero Param Param MENU Record STABILTY Edit T_TOTAL T_TOTAL Edit Exec SHOW More Edit Next Prev DIFF DIF F Stability dB T_TOTAL HP 81551MM Performance Tests D-5...
  • Page 16 Performance Test for the HP 81551MM D-6 HP 81551MM Performance Tests...
  • Page 17 Performance Test for the HP 81551MM HP 81551MM Performance Tests D-7...
  • Page 18 Performance Test for the HP 81551MM Output Power Test Attenuation Function Test Modulation Function Test Stability Tests D-8 HP 81551MM Performance Tests...
  • Page 19 Cleaning Procedures The Cleaning Kit A full cleaning kit contains the following items: Isopropyl alcohol This is usually available from pharmaceutical suppliers or chemists. If possible, use alcohol supplied for medical purposes, rather than impure alcohol or alcohol with additives. Caution Do not use other solvents as some can damage plastic materials and claddings.
  • Page 20 Pipe-cleaner This is available from tobacco shops. Ensure that the bristles of the pipe-cleaner are soft, so that they do not scratch your device during cleaning. Caution Store your pipe-cleaners carefully and never reuse them as dust and dirt from the air or from previous cleaning can scratch and dirty your optical device.
  • Page 21 Do not use normal washing-up liquid, as it can leave behind an iridescent lm. These are available from HP. The part number is HP 92193N (80 Wipes per Premoistened box).
  • Page 22 Preserving Connectors Listed below are some hints on how to keep your connectors in the best possible condition. Making Before you make any connection you must ensure that all cables and connectors are clean. If they are dirty, use the appropriate cleaning procedure. Connections When inserting the ferrule of a patchcord into a connector or an adapter, make sure that the ber end does not touch the outside of the mating connector or...
  • Page 23 Cleaning Procedures If you are unsure about the correct cleaning procedure for your device or if you are unsure whether the procedure given here is suitable for your device, check with the manufacturer or sales distributor, or try the procedure on a dummy or test device rst. Cleaning Cable Connectors Cleaning connectors is dicult as the core diameter of a singlemode ber is only about 9 m.
  • Page 24 Cleaning Connector Adapters Caution Some adapters have an anti-re ection coating on the back to reduce back re ection. This coating is extremely sensitive to solvents and mechanical abrasion. Extra care is needed when cleaning these adapters. 1. Clean the adapter by rubbing a new, dry cotton-swab over the surface using Preferred a small circular movement.