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  • 1650nm DFB Laser diode for CH4 sensing （TO39 Package）

    • 1650nm DFB Laser diode for CH4 sensing （TO39 Package）     


    The PL-DFB-1650-A-A81 1650nm 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
    1650nm DFB SM Laser diode（TO39）   [PDF]  [RFQ]

    PL-DFB-1650-A-A81-TO39
    Stock NO.: A80011246     		[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

    1549.5

    1650.0

    1650.5

    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

    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

    1650.png


    L-I Curve

    5bd967f59665c.png

    DFB Linewidth Testing Result

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

    Beam Quality

    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

    100

    120

    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


    CH4

    t4.png


    Application

    ● Tunable diode laser absorption spectroscopy

    ● CH4 Monitoring

    Ordering Info

    PL-DFB-□□□□-☆-A8▽-TO39

    □□□□：Wavelength

    1530: 1530nm

    1650: 1650nm

    *****

    1653.7: 1653.7nm

    ☆ ：Output Power

    A：10mW

    B：20mW

    ▽：Wavelength Tolerance

    1：±1nm

    2：±2nm



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