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    • 2108nm DFB Laser Diode For N2O Gas Monitoring     


    The PL-DFB-2108-A-A81 2108nm 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 14 pin butterfly package with TEC and PD Built in.



    Product model


    Name Model Price
    2108nm PM DFB Laser diode   [PDF]  [RFQ]

    PL-DFB-2108-A-A81-PA     		[Please inquire]
     Call us 
    2108nm SM DFB Laser diode   [PDF]  [RFQ]

    PL-DFB-2108-A-A81-SA     		[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

    Tsub=25°C, CW bias unless stated otherwise

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Centre Wavelength

    λ

    2107

    2108

    2109

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    40


    dB

    Threshold Current

    Ith


    30

    50

    mA

    Operating Current

    Iop


    80

    120

    mA

    Chip output Power

    Pf

    1

    2

    3

    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

    Connector

    FC/APC


    Spectrum

    2108nm DFB Laser Diode For N2O Gas Monitoring.png


    Tuning Characteristics

    2108nm DFB Laser Diode For N2O Gas Monitoring4.png

    DFB Linewidth Testing Result

    1680.jpg


    L-I Curve

    2108nm DFB Laser Diode For N2O Gas Monitoring1.png


    Beam Quality

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D


    Camera Analysis 

    89A31A99B922B0A5004C93A98748FF54.png

    Package Size

    2108nm DFB Laser Diode For N2O Gas Monitoring2.png

    Pin definition

    2108nm DFB Laser Diode For N2O Gas Monitoring3.png

    1

    Thermistor

    8

    Case Ground

    2

    Thermistor

    9

    Case Ground

    3

    LD (–)

    10

    N/C

    4

    N/C

    11

    LD (+)

    5

    N/C

    12

    LD (–)

    6

    Thermoelectric Cooler (+)

    13

    LD (+)

    7

    Thermoelectric Cooler (–)

    14

    N/C


    Absolute  Maximum Ratings

    Item

    Unit

    Min

    Typ

    Max

    Case Temperature

      ℃

    -5

    25

    70

    Chip Temperature

    ℃

    +10

    25

    40

    Operating Current

    mA

    0

    80

    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

    ● N2O Monitoring

    Ordering Info

    PL-DFB-□□□□-☆-A8▽-XX

    □□□□: Wavelength

    1512: 1512nm

    *****

    1653.7: 1653.7nm

    2108: 2108nm

    ☆ : Output Power

    A: 2mW

    B: 5mW

    ▽: Wavelength Tolerance

    1: ±1nm

    2: ±2nm

    XX: Fiber and Connector Type

    SA=SMF-28E+ FC/APC

    SP=SMF-28E+ FC/PC

    PP=PM Fiber+ FC/PC

    PA=PM Fiber+ FC/APC



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