1490nm Pulse Laser for OTDR

1490nm Pulse Laser for OTDR
1490nm Pulse Laser for OTDR
1490nm Pulse Laser for OTDR
1490nm Pulse Laser for OTDR
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Features
  • High output power Pf =40~60 mW @ IFP =400mA
  • Long wavelength λC =1490 nm
  • Built-in monitor PD
  • Pulse Conditions: Pulse width (PW) =10 μs, Duty =1%
Applications

OTDR System

Absolute Maximum Ratings
Parameter Symbol Min. 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 Case Temperature TC 0 60
Storage Temperature Tstg -40 85
Lead Soldering Temperature Tsld - 260(10s)
Relative Humidity (noncondensing) 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 1.0 ns 20-80%
Fall Time tf - 0.5 1.0 ns 80-20%
Monitor Current Im 0.05 - 2 mA VRM =5V
Pin Description
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