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    • 761nm / 763nm Single-Mode VCSEL Chips     


    LD-PD Single-mode VCSELs are the perfect choice for demanding Oxygen sensor applications due to their improved optical characteristics. Higher-order longitudinal and transversal modes are suppressed by the innovative chip design; at the same time, the polarization is linearly stable.



    Product model


    Name Model Price


    Parameter



    Features

    ● Gaussian-shaped beam profile

    ● Low beam divergence

    ● Low spectral width

    ● Low power input

    Specifications

    ELECTRO-OPTICAL   CHARACTERISTICS

    T =   25°C unless otherwise stated

    PARAMETER

    SYMBOL

    UNITS

    MIN

    TYP

    MAX

    TEST CONDITIONS

    Threshold current

    ITH

    mA


    0.3



    Threshold voltage

    UTH

    V


    1.8



    Output power

    Popt

    mW

    0.3

    0.5



    Laser current

    IOP

    mA



    2


    Laser voltage

    UOP

    V


    2.35


    I = 2 mA

    Wallplug efficiency

    ηWP

    %


    13


    I = 2 mA

    Slope efficiency

    ηS

    W/A


    0.4



    Differential series resistance

    RS

    Ω


    200


    I = 2 mA

    Side mode suppression ratio

    SMSR

    dB

    30



    I = 2 mA

    Beam divergence

    θ

    °


    15


    I =   2 mA, full width 1/2

    Spectral bandwidth


    MHz


    100


    I = 2 mA

    Wavelength tuning over current


    nm/mA


    0.76



    Wavelength tuning over temperature


    nm/K


    0.06




    LIV&Spectrum

    76x1.png

    760nm


    76x2.png

    763nm

    Outline Diagram and Die Dimensions

    76x3.png

    Parameter

    Min (µm)

    Max (µm)

    Length

    420

    480

    Width

    420

    480

    Thickness

    135

    165

    NOTE: All measurements are in microns (µm).

    There are two anode pads on the top of the chip, which are connected to two emission apertures. The    substrate is conducting (n-type). The backside of the chip is metallized as cathode.

    Application

    ● High Performance for Oxygen Sensing

    ● FTIR Light source

    Ordering Info

    SELECTION CONDITIONS

    T = 25°C, I = 2mA unless otherwise stated

    PN

    Power (min)

    Wavelength

    LP-VCSEL-761-03

    0.3 mW

    761±1 nm

    LP-VCSEL-761-05

    0.5 mW

    761±1 nm

    LP-VCSEL-763-03

    0.3 mW

    763±1 nm

    LP-VCSEL-763-05

    0.5 mW

    763±1 nm




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