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    • 4.33um 20mW DFB-CW QCL Continuous Wave Quantum Cascade Laser

    This quantum cascade laser adopts SPC (Single Phonon Continuum) and DFB (Distributed Feedback) structures, emitting in continuous-wave (CW) mid-infrared at room temperature.The operating temperature of the chip is controlled by a Peltier element mounted in an HHL package, enabling mode-hop-free tuning of the emission wavelength while maintaining longitudinal single-mode operation.

    Product features：Continuous wave output; DFB single-mode characteristics; precise temperature control; low-noise driving; industrial-grade package

    Part Number：MP-QCL-4330-DFB-20

    Application area：Gas Sensing | Medical Diagnostics | Defense and Security | Environmental Monitoring | Semiconductor Metrology

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    Main parameters
  • Core parameters

  • Central Wavelength Output Power

    4.33um 20 mW

  • Dimension Drawing
    • General Parameters

    Model Parameters

    Parameter

    Specification

    Type

    DFB-CW Type

    Typical Peak Emission Wavelength

    4.33 μm

    Tuning Range Min.

    ±1.0 cm⁻¹

    Min. Output Power

    20 mW

    Max. Laser Threshold Current

    1 A

    Min. Side Mode Suppression Ratio (SMSR)

    25 dB

    Package

    HHL


    Typical Characteristics

    图片42.png


    General Parameters

    Thermistor Configuration (Schematic Diagram)

    图片3.png

     

    Typical Transmittance Curve of the Window

    图片4.png

     

    DFB-CW QCL Continuous Wave Quantum Cascade Laser Model List

    HHL Package

    Wavelength

    Wavenumber

    Target gases

    4.33 μm

    2310 cm⁻¹

    CO₂, CO₂ isotope

    4.53 μm

    2209 cm⁻¹

    N₂O

    4.57 μm

    2190 cm⁻¹

    N₂O, CO

    5.26 μm

    1900 cm⁻¹

    NO

    6.13 μm

    1631 cm⁻¹

    NO₂

    7.18 μm

    1392 cm⁻¹

    SO₃

    7.39 μm

    1354 cm⁻¹

    SO₂

    7.73 μm

    1294 cm⁻¹

    CH₄


    Optional Configurations

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  • Product title: 4.33um 20mW DFB-CW QCL Continuous Wave Quantum Cascade Laser
  • Product link: https://www.idealphotonics.com/product/detail/1344.html

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