1653.7nm DFB Laser diode for CH4 Sensing (TO39 Package)

Description:

The PL-DFB-1653.7-A1 1653.7nm DFB laser diode module made by LD-PD is a cost effective, highly coherent laser source. The DFB laser diode chip is packaged in an industry standard her-metically sealed TO56 package with TEC and PD Built in.

Features:

Narrow Linewidth < 2MHzIndustry Standard 14 pin Butterfly packageMode-Hop free tuningExcellent reliabilityCustomer specific wavelengths available

Optional:

Tunable diode laser absorption spectroscopyCH4 Monitoring

Laser Specifications:

Electrical/Optical Characteristics(Tsub=25°C, CW bias unless stated otherwise)

ParameterCentre WavelengthSide Mode Suppression RatioThreshold CurrentOperating CurrentChip output PowerQuantum EfficiencyCurrent Tuning CoefficientTemperature Tuning CoefficientForward VoltageThermistor ResistanceThermistor Temp. CoefficientCollimation Lense

SymbolλSMSRIthIopPfη∆λ/∆I∆λ/∆TVfRT

Yes

Min1653.230

30.08

9.5

Typ1653.740208050.120.0150.121.310-4.4

Max1654.2

3012010

210.5

UnitnmdBmAmAmWmW/mAnm/mAnm/KVKΩ%/°C

Spectrum:

Tuning Characteristics:

L-I Curve:

DFB Linewidth Testing Result:

Beam Quality:

2D 3D

Camera Analysis:

Dimensions and Pin definitions:

OEM Info:

PL-DFB-□□□□-☆-A8▽-TO39□□□□：Wavelength1512:1512nm*****1653.7：1653.7nm☆：Output PowerA：5mW ; B：10mW▽：Wavelength Tolerance1：±1nm ; 2：±2nm

Absolute Maximum Ratings:

ItemCase TemperatureChip TemperatureOperating CurrentForward VoltageTEC CurrentReverse Voltage（LD）Reverse Voltage(PD)

Unit℃℃mAVAVV

Min-5+1000.8---

Typ25251001.2---

Max70401201.81.22.020

CH4: