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    • Tunable 780nm DFB Laser（14Pin Butterfly Free Space Collimated Output）     


    The PL-DFB-780-C-A81 780nm 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.



    Product model


    Name Model Price
    Tunable 780nm DFB Laser（14Pin Butterfly Free Space Collimated Output）   [PDF]  [RFQ]

    PL-DFB-780-C-A81-14FSCO     		[Please inquire]
     Call us 

    Parameter


    Features

    ● With hermetic 14 Pin-Butterfly Housing (RoHS compliant)

    ● With integrated Beam Collimation

    ● Including Monitor Diode, Thermoelectric Cooler and Thermistor 

    Laser Specifications

    Tsub=25°C, CW bias unless stated otherwise

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Centre Wavelength

    λ

    777

    780

    785

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    40


    dB

    Threshold Current

    Ith


    20

    50

    mA

    Operating Current

    Iop


    200

    250

    mA

    Chip output Power

    Pf

    100

    150


    mW

    Quantum Efficiency

    η

    0.4

    0.45


    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


    500

    1000

    kHz

    Relative Intensity Noise

    RIN

    -135

    -140

    -145

    dB/Hz

    Isolation

    ISO

    30



    dB


    Spectrum

    780.png


    Tuning Characteristics

    780.1.png


    L-I Curve

    780.2.png


    DFB Linewidth Testing Result

    780.3.png



    Wavelength Stability

    780.4.png


    Power Stability

    780.5.png


    Beam Quality Profiler (2D/3D) 

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D 

    Dimensions and Pin definitions

    780.6.png

    780.7.png


    Application

    ● Metrology

    ● Magnetometer

    Ordering Info

    PL-DFB-□□□□-☆-A8▽-14FSCO

    □□□□: Wavelength 

    780: 780nm 

    ***** 

    1653.7: 1653.7nm

    ☆: Output Power 

    A: 30mW

    B: 50mW 

    C: 100mw 

    ▽: Wavelength Tolerance 

    1: ±1nm 



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    Add : 288 Woodlands Loop #04-00, Singapore 738100 Email : info@ld-pd.com Tel : （+65)31638599 Fax : (+65)31588700 Copyright © 2012-2025 LD-PD PTE. LTD. All Rights Reverved  LD-PD PTE. LTD. is proud to be RoHS certified through SGS and ISO9001 certified through GIC.
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