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1490nm Pulsed Laser Module for OTDR

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Description

The 1490nm pulsed laser module for OTDR utilizes a DFB chip,and features a maximum output power of 60mw.It is a cost effective,pulsed laser module for use in OTDR systems.

 

Absolute Maximum Ratings 

Parameter Symbol Min. Typical. Max. Unit
Pulsed Forward Current IFP     750 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(l0s) °c
Relative Humidity (Noncoagulable) RH     85 % 

 

 

Optical & Electrical Characteristics  

Parameter Symbol Min. Typ. Max. Unit Notes
Forward Voltage VFP     3.5 V IFP = 400 mA, PW = 10 μs, Duty = 1%
Threshold Current Ith   20 35 mA  
Optical Output Power From Fiber Pf 40 60   mW IFP =400 mA, PW = 10 μs, Duty = 1%
Center Wavelength λc 1470 1490 1510 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 = 5V 

 

 
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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