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    • Tunable 1550nm DFB Laser


    Central wavelength 1550nm, Output power30 mW, SMSR 40dB, Tolerance ±1nm

    Part Number  :  PL-DFB-1550-C-A81-14FSCO
    Unit Price  :  USD [Please inquire]
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    Recommended

    The PL-DFB-1550-C-A81 1550nm 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 14Pin Butterfly Free space Collimated output package with TEC and PD Built in.

    Tsub=25°C, CW bias unless stated otherwise

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Centre Wavelength

    λ

    1530

    1550

    1610

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    40


    dB

    Threshold Current

    Ith


    20

    30

    mA

    Operating Current

    Iop


    80

    120

    mA

    Chip output Power

    Pf

    10

    20

    35

    mW

    Quantum Efficiency

    η

    0.15

    0.25


    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

    Line width

    LW

    1

    3

    10

    MHZ

    Relative Intensity Noise

    RIN

    -135

    -140

    -145

    dB/HZ


    Spectrum

    t1.jpg


    Tuning Characteristics

    t2.png

    L-I Curve

    t3.png

    DFB Linewidth Testing Result


    t4.png

    Central Wavelength

    t5.jpg


    Wavelength Stability

    t6.png

    Power Stability

    t7.png


    Mode-Hop Free Wavelength Tuning

    QQ20221208-0.jpg


    Beam Quality

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D

    Camera Analysis 

    89A31A99B922B0A5004C93A98748FF54.png


    Download

    Tunable 1550nm DFB Laser（14Pin Butterfly Free space Collimated output）.pdf


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