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  • 775nm DFB Laser Diode For Seed Laser

    • 775nm DFB SM Laser diode


    Central wavelength 775nm, Output power 55mW, Narrow Linewidth <2MHz, Tolerance ±1nm, HI780, FC/APC

    Part Number  :  PL-DFB-775-A-A81-SA
    Unit Price  :  USD [Please inquire]
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    Recommended

    The PL-DFB-775-A-A81 775nm DFB laser diode module made by LD-PD is a cost effec-tive, highly coherent laser source. The DFB laser diode chip is packaged in an indus-try 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

    774

    775

    776

    nm

    Side Mode Suppression Ratio

    SMSR

    40

    50

    70

    dB

    Isolation degree

    ISO

    28

    30


    dB

    Threshold Current

    Ith


    57

    70

    mA

    Operating Current

    Iop


    200

    250

    mA

    Power in fiber

    Pf

    50

    55

    60

    mW

    Quantum Efficiency

    η

    0.08

    0.12


    mW/mA

    Current Tuning Coefficient

    ∆λ/∆I


    0.001


    nm/mA

    Temperature Tuning Coefficient

    ∆λ/∆T


    0.06


    nm/°C

    Forward Voltage

    Vf


    1.3

    2

    V

    Polarization Extinction RatioPER≥1525.8
    		dB

    Thermistor Resistance

    RT

    9.5

    10

    10.5

    KΩ

    Thermistor Temp. Coefficient



    -4.4


    %/°C

    Fiber+Connector

    HI780+FC/APC/PM780+FC/APC


    Spectrum

    775nm DFB Laser.png


    Typical Linewidth Measurement(CW,146.808 kHZ@25deg,150mA)

    775nm DFB Laser3.png



    L-I Curve

    775nm DFB Laser1.png


    Wavelength Tunability

    775nm DFB Laser2.png


    Beam Quality

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D



    Related

    Name Model Price
    775nm DFB PM Laser diode [PDF]

    PL-DFB-775-A-A81-PA

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    775nm DFB Laser Diode For Seed Laser.pdf


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