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Pump Laser Modules

Photonic Manufacturing Service Ltd. has the capability to do the contract manufacturing for the pump laser modules. These packaging is designed

 as pump sources for Erbium-Doped Fiber Amplifier (EDFA) applications. Processes and techniques of coupling the fiber to the laser allow high output

powers that are very stable with both time and temperature. This packaging has been designed to ensure superior wavelength locking over drive current,

temperature and optical feedback changes. Our packaging can offer 


  • Double Fiber Bragg Grating wavelength stabilization

  • High output power, up to specfic kink free

  • Single-mode fiber pigtail

  • Internal thermoelectric heat pump and monitor photodiode

  • Hermetically sealed 14-pin butterfly & MiniDIL package

  • RoHS Compliant

 

           

       


1.1 Absolute Maximum Ratings 


Basic parametersSymbolMin.Max.Unit
Storage TemperatureTstg-4085?
Operating Case TemperatureTc-2065?
LD Forward CurrentIf-800mA
LD Reverse VoltageVr-2.5V
PD Forward CurrentIfPD-5mA
PD Reverse VoltageVrPD-20V
TEC CurrentItec-0.61.8A
TEC VoltageVtec-3.4V
Relative HumidityRH095%
Electrostatic DischargeESD1000-V
Lead Soldering Temperature (10s Max.)--280?


 1.2 Performance Specification


ParametersSymMin.TypMax.UnitCondition
LD Threshold CurrentIth-3340mACW
Output powerPf 280 mWIf(BOL)<680ma< span="">
LD Forward CurrentIf-500550mAPf=Rated Power
Kink Free PowerPkink 1.5Po mW~1.5*Rated Power
LD Forward VoltageVf-1.61.7VPf=Rated Power
Center Wavelengthλc973.5-978nmPeak,Pf=Rated Power,@All Operating Temperature
Spectral WidthΔλ--0.8nm-
Monitor CurrentIm200-5000uAVrPD=5V,Pf=Rated Power 1)
Monitor responsivity Stability---20%--
Monitor Dark CurrentId--50nAVrPD=5V
TEC CurrentItec--1.5ATcase=70
TEC VoltageVtec--2.5VTcase=70
Total Module Power ConsuptionP-55.5WTcase=70

Power Stability

30mW/15mW/5mW

---

0.2/0.5/1

dB

Peak-to-peak, t=60s,DC to 50kHz sampling,

Tc=25 Current fluctuation < 0.4mA,

Thermistor ResistanceRth9.51010.5KohmTs=25
Thermistor B constantBth-3900-kTs=25


 1) Monitor Current may be changed by the situation of fiber pigtail fixing so it is specified widely

 1.3 Fiber Pigtail Specification


ParametersMin.TypMax.UnitCondition
Cutoff wavelength-960-nm-
Mode Field Diameter5.45.96.4umλ=0.98um
Cladding Diameter122125128um-
UV coating Diameter-260300um-
Pigtail Length1.5--mFrom boot
Fiber ConnectorNone or per customer’s requirements--



1.4 Connections:


Pin #DescriptionPin #Description
1Cooler (+)8N/C
2Thermistor (+)9N/C
3MPD anode (+)10Laser anode (+)
4MPD cathode (-)11Laser cathode (-)
5Thermistor (-)12N/C
6N/C13Case ground
7N/C14Cooler (-)

 

 

 

 

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