1490nm Pulsed Laser Module for OTDR

1490nm Pulsed Laser Module for OTDR
1490nm Pulsed Laser Module for OTDR
1490nm Pulsed Laser Module for OTDR
Pin 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

As an experienced FP pulsed diode laser (for OTDR system) manufacturer and supplier in China, our company also offers 8-10mw 1653.5nm Butterfly Laser Diode for gas detection, butterfly fiber coupled laser diodes, Pin TIA receiver and more.

Related products
Send Message