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    • 850nm polarization locked single mode VCSEL chip laser

    Our single-mode VCSELs are designed to meet the stringent specifications of a wide range of optical sensing applications. They provide polarization-stabilized single-mode emission with a symmetrical Gaussian beam profile and typically 1mW output power. Bias currents range from 3 to 6mA.

    Product features：Single transverse mode and single longitudinal mode、 Polarization-stabilized emission、 Low power consumption、 High reliability、 Gaussian beam profile、 Back cathode and top anode configuration、 RoHS certified

    Part Number：--

    Application area：Laser mouse、 Optical sensor applications、 Photoelectric encoder

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    Main parameters
  • Core parameters

  • Dimension Drawing
    • General Parameters

    Technical parameters:

    Test conditions: temperature 25℃Operating conditions: Top = 5°- 45℃; Iop = const., set at 25℃ so that Pop = 0.55mW


    Parameters

    Symbol

    Min.

    Typ.

    Max.

    Unit

    Note

    Threshold current

    ITH

    1

    3

    5

    mA

    T = 25°C

    Slope efficiency

    η

    0.20

    0.40

    0.65

    mW/mA

    T = 25°C, I = Ith+1mA

    Operating current

    IOP

    2.3


    6

    mA

    T = 25°C, Pop=0.55mW

    Operating voltage

    UOP



    2.3

    V

    Working conditions

    Differential resistance

    Rd

    20


    90

    Ω

    T = 25°C,  Pop=0.55mW

    SM optical output power

    PSM

    0.9



    mW

    T = 25°C

    Side mode suppression ratio

    SMSR

    10



    dB

    T = 25°C, Pop=0.9mW

    Polarization direction accuracy

    δpo

    -15


    +15

    deg

    T = 25°C, Pop=0.2...0.9mW

    Emitted wavelength

    λpeak

    840

    850

    860

    nm

    Working conditions

    Beam divergence

    θFW1/e2

    13

    17

    21

    deg

    T = 25°C, Pop=0.5mW

    Change of optical power with temperature

    P(T) ‒ Pop

    -200


    +120

    µW

    Iop, T=5...45°C


    SM = Single Mode; FW1/e2 = Full Width 1/e2

     

     

    Absolute Maximum Ratings:

    Parameters

    Max

    Unit

    Note

    Continuous operating current

    8

    mA

    3

    Continuous reverse voltage

    8

    V


    PCB solder or reflow temperature

    260

    °C

    Up to 10 seconds

     

     

    Package size: chip size

    Parameters

    Min.

    Typ.

    Max.

    Note

    Chip width

    135

    155

    175

    µm

    Chip length

    135

    155

    175

    µm

    Chip thickness

    135

    150

    165

    µm

     


    Optional Configurations

    --

    Downloads

    850nm polarization locked single mode VCSEL chip laser.pdf

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