20mw-40mw 1550nm Pulse Laser Module

20mw-40mw 1550nm Pulse Laser Module
20mw-40mw 1550nm Pulse Laser Module
20mw-40mw 1550nm Pulse Laser Module

The 20mw-40mw 1550nm pulse laser module has a maximum output power of 60mw due to the use of a DFB chip. Its high performance makes it ideal for use in OTDR systems.

Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit
Pulsed Forward Current IFP
500 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. Typical Max. Unit Notes
Forward Voltage VFP
2.0 2.5 V IFP = 200 mA, PW = 10μs, Duty = 1%
Threshold Current Ith
5 10 mA
Optical Output Power From SM Fiber Pf 20 40
mW IFP =200 mA, PW = 10μs, Duty = 1%
Center Wavelength λc 1530 1550 1570 nm IFP = 200 mA, PW = 10μs, 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
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