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1625nm Pulse Laser Modules for OTDR

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Description

F-tone Networks 1625nm pulse laser modules for OTDR are equipped with a high power FP chip with low threshold current and high-efficiency output.Capable of working with a high current,the pulsed laser module can operate in dual mode,pulse and direct current.The multi-mode fiber is optional.This laser diode is generally used in the communication and testing systems that use OTDR and Raman light reflection principles.

Absolute Maximum Ratings 

Parameter Symbol Min. Typical Max. Unit
Pulsed Forward Current IFP     700 mA
Reverse Voltage VR     2 V
Reverse Voltage (monitor PD) VRM     10 V
Reverse Current (monitor PD) IFPM     2 mA
Operating Temperature TC 0   60 °C
Storage Temperature Tstg -40   85 °C
Lead Soldering Temperature Tsld     260(10s) °c
Relative Humidity (Noncoagulable) RH     85 % 

 

 

Optical & Electrical Characteristics  

Parameter Symbol Min. Typ. Max. Unit Notes
Forward Voltage VFP     3.0 V IFP = 400 mA, PW = 10 μs, Duty = 1%
Threshold Current Ith   20 35 mA  
Optical Output Power From Fiber Pf 40     mW IFP =400 mA, PW = 10 μs, Duty = 1%
Center Wavelength λc 1620 1625 1630 nm IFP =400 mA, PW = 10 μs, Duty = 1%
Spectral Width σ     4 nm RMS (−3 dB)
Rise Time tr   0.5 2.0 ns 10-90%
Fall Time tf   0.5 2.0 ns 90-10%
Monitor Current Im 0.05   2 mA VRM =5 V 
 
 
 
Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

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