Passive Fiber Optic Components and Modules Manufacturer

Our designs have been qualified and deployed in space applications and are widely used in terrestrial and submarine telecommunications systems.
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  4. 1550nm Pulse Laser for OTDR
1550nm Pulse Laser for OTDR
Features
  • High output power Pf = 20~40 mW @ IFP = 200mA
  • Long wavelength λc = 1550 nm
  • Built-in/out monitor PD
  • Pulse Conditions: Pulse width (PW) = 10 μs, Duty = 1%
Applications

OTDR System

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