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    • 795nm DFB PM Laser diode


    Central wavelength 795nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM980 Fiber, FC/APC

    Part Number  :  PL-DFB-795-A-A81-PA
    Unit Price  :  USD [Please inquire]
    Lead time  :   [Please inquire]
    Inventory quantity   :   [Please inquire]
    Stock NO.   :  A80012014
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    The PL-DFB-795-A-A81 795nm 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.We special design the area only work in room Temperature. Our diode has good performance from 20-30℃.

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

    Parameter

    Symbol

    Min

    Typ

    Max

    Unit

    Centre Wavelength

    λ

    794.0

    795.0

    796.0

    nm

    Side Mode Suppression Ratio

    SMSR

    30

    40


    dB

    Threshold Current

    Ith


    20

    30

    mA

    Operating Current

    Iop


    150

    250

    mA

    Operation Temperature

    Top

    15

    25

    45

    ℃

    Chip output Power

    Pf

    30

    40

    50

    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

    UZ$2U)JE_S85(1H]VV@HPTN.png

    Tuning Characteristics

    tui2.jpg

    DFB Linewidth Testing Result

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


    L-I Curve

    WE2Z29E52TXBL5J}[4U8@7S.png


    Panda PM980 Fiber Nominal Characteristics and Tolerances

    Parameters

    Specification

    Fiber Bend Radius

    3cm

    Max Attenuation

    2.1dB/km

    Cladding Diameter

    125um

    Coating Diameter

    250um

    Core Cladding Concentricity

    ≤0.5um

    Mode Field diameter

    6.6um

    NA=0.12;FC/APC (narrow key)


    5bd1c181256a2.jpg

    Note: The PM fiber and the connector key are aligned to the slow axis,fast axis is blocked


    Thermistor specs

    Parameters

    Value

    Unit

    Thermistor Type

    NTC


    Resitance@25deg

    10000

    ohm

    Resistance Tol.±

    1

    %

    Beta 0-50 deg

    3375

    K


    Related



    Name Model Price
    795nm DFB SM Laser diode [PDF]

    PL-DFB-795-A-A81-SA

    		 [Please inquire]
     Call us 

    Download



    795nm DFB PM Laser diode.pdf



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