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    • 1854.1nm DFB Tunable Laser diode（TO39 Package）     


    The PL-DFB-1854.1-A-A81 1854.1nm 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
    1854.1nm DFB SM Laser diode（TO39）   [PDF]  [RFQ]

    PL-DFB-1854.1-A-A81-TO39
    Stock NO.: A80011272     		[Please inquire]
     Call us 


    Parameter



    Features

    ● Narrow Linewidth < 2MHz

    ● Excellent wavelength control and stability

    ● Industry Standard 14 pin Butterfly 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

    1853.5

    1854.1

    1854.5

    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

    2

    3

    5

    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

    _JCVZ1.jpg

    L-I Curve

    1854.png

    Tuning Characteristics

    1854.2.png

    DFB Linewidth Testing Result

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


    Mode hope tuning Range

    1854.jpg


    Beam Quality

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D

    Dimensions and Pin definitions

    Uinte（mm）

    t3.jpg


    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

    Application

    ● Tunable diode laser absorption spectroscopy

    ● CH4 Monitoring

    Ordering Info

    PL-DFB-□□□□-☆-A8▽-TO39

    □□□□：Wavelength

    1530: 1530nm

    1653.7: 1653.7nm

    *****

    1854.1: 1854.1nm

    ☆ ：Output Power

    A：2mW

    B：5mW

    ▽：Wavelength Tolerance

    1：±1nm

    2：±2nm



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