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    • 1250nm DFB PM Laser diode


    Central wavelength 1250nm, Output power 100mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM Fiber, FC/APC

    Part Number  :  PL-DFB-1250-A-A81-PA
    Unit Price  :  USD [Please inquire]
    Lead time  :   [Please inquire]
    Inventory quantity   :   [Please inquire]
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    Recommended

    The PL-DFB-1250-A-A81 1250nm 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 hermetically sealed 14 pin butterfly package with TEC and PD Built in.


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

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Centre Wavelength

    λ

    1249

    1250

    1251

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    40


    dB

    Threshold Current

    Ith


    35

    50

    mA

    Operating Current

    Iop


    700

    800

    mA

    Chip output Power

    Pf


    100

    115

    mW

    Quantum Efficiency

    η

    0.08

    0.12


    mW/mA

    Current Tuning Coefficient

    ∆λ/∆I


    0.015


    nm/mA

    Temperature Tuning Coefficient

    ∆λ/∆T


    0.12


    nm/K

    Forward Voltage

    Vf


    1.3

    2

    V

    Thermistor Resistance

    RT

    9.5

    10

    10.5

    KΩ

    Thermistor Temp. Coefficient



    -4.4


    %/°C

    Connector

    FC/APC


    Spectrum

    1250.png


    Tuning Characteristics

    1250.3.png


    L-I Curve

    1250.1.png


    Linewidth Measurement（CW,74.928 kHZ@25deg,150mA)  

    1250.4.png


    Beam Quality Profiler (2D/3D) 

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D 

    Polarization Extinction Ratio Test

    1250.5.png


    Related

    Name Model Price
    1250nm DFB SM Laser diode [PDF]

    PL-DFB-1250-A-A81-SA

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    1250nm DFB Laser Diode.pdf


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