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    • 1840nm DFB SM Laser diode


    Central wavelength 1840nm, Output power 5mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, SMF-28E, FC/APC

    Part Number  :  PL-DFB-1840-A-A81-SA
    Unit Price  :  USD [Please inquire]
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    Recommended

    The PL-DFB-1840-A1 1840nm 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.

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

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Centre Wavelength

    λ

    1839

    1840

    1841

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    40


    dB

    Threshold Current

    Ith


    20

    25

    mA

    Operating Current

    Iop


    100

    120

    mA

    Chip output Power

    Pf

    3

    4

    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

    Polarization Extinction RatioPER≥1827.4
    		dB

    Thermistor Temp. Coefficient



    -4.4


    %/°C

    Connector

    FC/APC


    Spectrum

    1840nm DFB Laser.png

    L-I Curve

    1840nm DFB Laser1.png


    Tuning Characteristics

    1840nm DFB Laser2.png

    Beam Quality

    D)XRNI6(B736%L%HB68S3.jpg    

    2D 


     ZUYY5)4Z332N5V9_ZJ`JF.png

    3D


    Related

    Name Model Price
    1840nm DFB PM Laser diode [PDF]

    PL-DFB-1840-A-A81-PA

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