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    • 1614.2nm DFB Laser Diode For CH4 Sensing     


    The PL-DFB-1614.2-A-A81 1614.2nm 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
    1614.2nm DFB SM Laser diode (B Pin definition)   [PDF]  [RFQ]

    PL-DFB-1614.2-A-A81-SA
    Stock NO.: A80012358     		[Please inquire]
     Call us 
    1614.2nm DFB SM Laser diode (A Pin definition)   [PDF]  [RFQ]

    PL-DFB-1614.2-A-A81-SA
    Stock NO.: A80012357     		[Please inquire]
     Call us 
    1614.2nm DFB PM Laser diode   [PDF]  [RFQ]

    PL-DFB-1614.2-A-A81-PA
    Stock NO.: A80012359     		[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

    1613.5

    1614.2

    1615.5

    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

    Connector

    FC/APC


    Spectrum

    1641.png


    L-I Curve

    1648.png

    DFB Linewidth Testing Result

    PT Linewidth.jpg


    Beam Quality Profiler (2D/3D) 

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D


    Camera Analysis 

    89A31A99B922B0A5004C93A98748FF54.png


    Package Size

    5bd95c4bcb3b1.png

    Pin definition

    Schematic Diagram (Top View)

    TYPE A

    pp.png

    TYPE A Pin Connection

    PIN#

    Function

    PIN#

    Function

    1

    Thermistor

    8

    Case Ground

    2

    Thermistor

    9

    Case Ground

    3

    LD(-)

    10

    NC

    4

    Detector (+)

    11

    LD(+)

    5

    Detector (-)

    12

    LD (–), RF 

    6

    TEC (+)

    13

    LD (+)

    7

    TEC (–)

    14

    NC


    TYPE B



    QQ图片20220114165017.png

    TYPE B Pin Connection

    PIN#

    Function

    PIN#

    Function

    1

    TEC(+)

    8

    Case Ground

    2

    Thermistor

    9

    NC

    3

    Detector(+)

    10

    Laser Anode (+)

    4

    Detector(-)

    11

    Laser Anode (-)

    5

    Thermistor

    12

    NC

    6

    NC

    13

    NC

    7

    NC

    14

    TEC(-)


    Absolute Maximum Ratings

    Item

    Unit

    Min

    Typ

    Max

    Case Temperature

      ℃

    -5

    25

    70

    Chip Temperature

    ℃

    +10

    25

    40

    Operating Current

    mA

    0

    100

    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

    Application

    ● Tunable diode laser absorption spectroscopy

    ● CH4 Monitoring

    Ordering Info

    PL-DFB-□□□□-☆-A8▽- XX

    □□□□: Wavelength

    1392: 1392nm

    1512: 1512nm

    1567: 1567nm

    1572: 1572nm

    *****

    1614.2: 1614.2nm

    ☆: Output Power

    A: 10mW

    B: 20mW

    ▽: 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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