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  • 1605nm DFB Laser diode for CO2 Sensing（TO39 Package）

    • 1605nm DFB Laser diode for CO2 Sensing（TO39 Package）     


    The PL-DFB-1605-A-A81 1605nm 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 TO39 package with TEC and PD Built in.



    Product model


    Name Model Price
    1605nm DFB SM Laser diode（TO39）   [PDF]  [RFQ]

    PL-DFB-1605-A-A81-TO39
    Stock NO.: A80011206     		[Please inquire]
     Call us 


    Parameter



    Features

    ● Narrow Linewidth < 2MHz

    ● Excellent wavelength control and stability

    ● Industry Standard TO39 package

    ● Mode-Hop free tuning

    ● Excellant reliability

    ● Customer specific wavelengths available

    Laser Specifications

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

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Centre Wavelength

    λ

    1604.5

    1605

    1605.5

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    40


    dB

    Threshold Current

    Ith


    20

    30

    mA

    Operating Current

    Iop


    90

    150

    mA

    Chip output Power

    Pf

    10

    15

    30

    mW

    Quantum Efficiency

    η

    0.08

    0.12


    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


    Spectrum

    a3bc01d4-bb4c-4792-9681-ee1f2a92e9cf.jpg


    DFB Linewidth Testing Result

    3F}3~5GMTW8F9$)8_GB@VSG.png


    L-I Curve

    3042da92-d067-4e7a-87c9-afa1c5889220.jpg


    Beam Quality Profiler (2D/3D) 

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D

    Camera Analysis 

    89A31A99B922B0A5004C93A98748FF54.png

    Dimensions and Pin definitions

    Uinte（mm）

    0230105161326777.png


    Absolute  Maximum Ratings


    Item

    Unit

    Min

    Typ

    Max

    Case Temperature

      ℃

    -5

    25

    70

    Chip Temperature

    ℃

    +10

    25

    40

    Operating Current

    mA

    0

    90

    150

    Forward Voltage

    V

    0.8

    1.2

    1.8

    TEC Current

    A

    -

    -

    1.2

    Reverse Voltage（LD）

    V

    -

    -

    2.0

    Reverse Voltage(PD)

    V

    -

    -

    20



    CO2

    37PX50KN%N{F87J4%UHD83M.jpg

    Application

    ● Tunable diode laser absorption spectroscopy

    ● CH4 Monitoring

    Ordering Info

    PL-DFB-□□□□-☆-A8▽-TO39

    □□□□：Wavelength

    1530: 1530nm

    1605: 1605nm

    *****

    1653.7: 1653.7nm

    ☆ ：Output Power

    A：10mW

    B：20mW

    ▽：Wavelength Tolerance

    1：±1nm

    2：±2nm



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