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. Butterfly 1550nm Pulsed Laser for OTDR
Butterfly 1550nm Pulsed Laser for OTDR
Features
  • High output power Pf = 60 mW
  • Long wavelength λc = 1550 nm
  • Built-in/out monitor PD
  • Pulsed Conditions: Pulsed width (PW) = 10 μs, Duty = 1%
Applications

This fiber pigtailed pulsed laser is designed to be used as light source in fiber optic test and measurement equipment,such as OTDR System.

Absolute Maximum Ratings
Parameter Symbol Condition Min. Max. Unit
Pulsed Forward Current IFP - - 700 mA
Reverse Voltage VR - - 2 V
Reverse Voltage (monitor PD) VRM - - 10 V
Reverse Current (monitor PD) IFPM - - 2 mA
Operating Case Temperature Tc I=Iop -20 80 °C
Storage Temperature Tstg - -40 85 °C
TEC Current Itec -20 °C <Tc <+65 °C,Top=25 °C If=100 mA -2 +2 A
TEC Voltage Vc - -2.5 +2.5 V
ESD - ESD - HBM: R=1500 ohm, C=100 pF -500 +500 V
Lead Solder Temperature - - - 260 °C
Lead Soldering Time - - - 10 S
Fiber Bend Radius - - 30 - mm
Fiber Yield Strength - - - 1 kgf
Optical & Electrical Characteristics(Room temperature 25℃)
Parameter Symbol Min. Typ. Max. Unit Notes
Forward Voltage VFP - 2.0 2.5 V IFP = 400mA, PW = 10 μs, Duty = 1%
Threshold Current Ith - 5 10 mA -
Optical Output Power From SM Fiber Pf - 60 - mW IFP =400 mA, PW = 10 μs, Duty = 1%
Center Wavelength λc 1547 1550 1553 nm IFP = 400 mA, PW = 10 μs, Duty = 1%
Spectral Width σ - - 2 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
Thermistor Resistance Rt T=25 °C 9.5 - 10.5 KΩ
Thermistor B Constant B T=25 °C - 3900 - K
TEC Current IC ΔΤ=40°C - - 1.0 A
TEC Voltage VC ΔΤ=40°C - - 2.0 V
Pin Description
14-pin BTF Package
Pin Function Pin Function
1 Thermistor 8 NC
2 Thermistor 9 Case
3 LD（－） 10 Case
4 MPD（－） 11 LD（＋）,Case
5 MPD（＋） 12 LD（－）,RF
6 TEC（＋） 13 LD（＋）,Case
7 TEC（－） 14 NC
Package Outline
Order information

PBF-D552-X10P60

P BF D55 2 -X X X
Mode Product Type Wavelength Bandwidth Connector Pigtail Length Power Range
Pulsed Butterfly D55: 1550nm 2：2.5Gb/s 1：FC/APC
2：FC/PC
3：SC/APC
4：SC/PC
5：LC/PC
6：LC/APC
W:without 		10:1m P60：≥60mW
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