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    • 777nm DFB PM Laser diode


    Central wavelength 777nm, Output power 30mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM 850Fiber, FC/APC

    Part Number  :  PL-DFB-0777-A-A81-PA
    Unit Price  :  USD [Please inquire]
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    Inventory quantity   :   [Please inquire]
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    Recommended

    The PL-DFB-777-A-A81 777nm 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.We built in isolator in butterfly package to Protection Against Optical Damage and improve Frequency and Power Stability.

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

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Centre Wavelength

    λ

    776.0

    777.0

    778.0

    nm

    Side Mode Suppression Ratio

    SMSR

    40

    50

    70

    dB

    Isolation degree

    ISO

    28

    30


    dB

    Threshold Current

    Ith


    50

    70

    mA

    Operating Current

    Iop


    150

    250

    mA

    Power in fiber

    Pf

    30

    40

    80

    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

    Thermistor Resistance

    RT

    9.5

    10

    10.5

    KΩ

    Thermistor Temp. Coefficient



    -4.4


    %/°C

    Fiber+Connector

    HI780+FC/APC/PM780+FC/APC



    Spectrum

    777.png


    DFB Linewidth Testing Result(≈734kHZ)

    777.1.png


    L-I Curve

    777.2.png


    Wavelength Tunability

    7dd46ca15afa0d7ccb0d80e4e68d9a1f.jpeg


    Related

    Name Model Price
    777nm DFB SM Laser diode for Oxygen atom analysis [PDF]

    PL-DFB-0777-A-A81-SA

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    777nm DFB PM Laser diode .pdf


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