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    • 1270nm PM Ultra High power DFB Laser diode


    Centre Wavelength 1270nm, Output power 250 mW, Narrow Linewidth < 1MHz, Tolerance ±1nm, PM Fiber, FC/APC

    Part Number  :  PL-HDFB-1270-B-A81-PA
    Unit Price  :  USD [Please inquire]
    Lead time  :   [Please inquire]
    Inventory quantity   :   [Please inquire]
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    Recommended

    The PL-HDFB-1270-B-A81 1270nm ultra high DFB Laser diod 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

    1269

    1270

    1271

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    40


    dB

    Threshold Current

    Ith


    45

    100

    mA

    Operating Current

    Iop


    600

    900

    mA

    Chip output Power

    Pf


    250

    260

    mW

    Quantum Efficiency

    η


    0.305


    mW/mA

    Current Tuning Coefficient

    ∆λ/∆I


    0.015


    nm/mA

    Temperature Tuning Coefficient

    ∆λ/∆T


    0.12


    nm/K

    Forward Voltage

    Vf


    1.75

    3

    V

    Thermistor Resistance

    RT

    9.5

    10

    10.5

    KΩ

    Polarization Extinction RatioPER≥1831
    		dB

    Thermistor Temp. Coefficient



    -4.4


    %/°C

    Connector

    FC/APC


    Spectrum

    48a51db437391ae4708f1d32585bb4c8.png


    L-I Curve

    1270nm DFB Laser1.png

    Tuning characteristics


    1270nm DFB Laser3.png


    Typical Linewidth Measurement(CW,437.880 kHz@25deg,500mA)

    1270nm DFB Laser2.png


    Beam Quality Profiler (2D/3D) 

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D


    Polarization Extinction Ratio Test（PM Version)

    1270nm DFB Laser4.png


    Related

    Name Model Price
    1270nm SM Ultra High power DFB Laser diode [PDF]

    PL-HDFB-1270-B-A81-SA

    		 [Please inquire]
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    1270nm Ultra High power DFB Laser diode.pdf


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