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Home/ Products/ Light Sources/ Coherent Sources/ Mid infrared laser/ QCL7400-7.4um low-power benchtop DFB-QCL mid infrared quantum cascade laser 5/10mW/ 7.4um Low-Power Desktop DFB-QCL Mid-Infrared Quantum Cascade Laser (Desktop Light Source)

    • 7.4um Low-Power Desktop DFB-QCL Mid-Infrared Quantum Cascade Laser (Desktop Light Source)

    7.4um low-power benchtop DFB-QCL mid-infrared quantum cascade laser is a domestically advanced ultra-low-power QCL DFB laser developed by Idealphotonics in the first half of 2018.Our laser collimated output has stable output power and high temperature and wavelength stability, which is several orders of magnitude higher than the stability of traditional high-power quantum cascade lasers. It provides an excellent test light source for our mid-infrared test customers.

    Product features：Low power consumption, high power、 Narrow line width、 Compact structure、 Software intelligent control、 Built-in FPGA

    Part Number：MP-QCL-7400-DFB-10-B

    Application area：TDLAS CO high-precision trace analysis | Mid-infrared test light source | Mid-infrared device analysis

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    Main parameters
  • Core parameters

  • Peak wavelength Spectral width Output power Laser type

    7.4um 3MHz 10mW /

  • Dimension Drawing
    • General Parameters

    Parameter

    Parameter

    Unit

    Indicators



    Min.

    Typical value

    Max.

    Output power 1

    mW


    10


    Peak operating wavelength 2

    um


    7.4


    Spectral width (FWHM)

    MHZ


    1


    Output side mode suppression ratio (SMSR)

    dB

    20



    Output isolation 3



    30


    Wavelength temperature coefficient

    Mrad


    0.6


    Wavelength current coefficient

    mm


    0.2


    Output power stability (8 hours) 4

    nm/A


    ±1

    ±4

    Output power adjustable range

    %

    0


    100

    TEC operating range

    ℃

    0


    50

    Operating voltage

    VAC

    100

    220

    240

    Operating temperature

    ℃

    0

    -

    55

    Storage temperature

    ℃

    -20

    -

    65

    Specifications and dimensions

    mm

    290(L)×108(W)×68(H) mm

     

    Technical indicators:

    1. Output power is optional;

    2. Peak operating wavelength can be specified;

    3. Output power stability test condition is 25 degrees, after 30 minutes of preheating;

    4. Maximum power consumption refers to the overall power consumption under extreme working conditions.

     

     

    图片2.png


     

    Measured spectrum

    图片2.png

     


    Wavelength temperature tuning curve

    图片2.png

     


    Power stability

    图片2.png

     

     

    QCL laser characteristic curve (taking 7.4um typical wavelength as an example)

    Output power characteristic curve:

    图片2.png

     


    Voltage characteristic curve

    图片2.png

     

     

    TEC current characteristic curve

    图片2.png

     


     TEC voltage characteristic curve

    1785827462432832.png

     


    Laser spectrum (CW)

    图片2.png

     

    图片2.png

     

    图片2.png

     

    图片2.png

     


    Wavelength temperature current tuning curve

     

    图片2.png


    Quantum cascade laser output spot

    图片2.png

     


    图片2.png

     

    The pixel size of the test camera is 5 μm, and the Gaussian fitting spot diameter is 320 μm.

     

    Simulation results of absorption spectral lines near 7.4um

    图片2.png

     

     

    The relationship curve between peak wavelength and current

    图片2.png

     


    图片2.png

     


    Control software

    1785827793971134.png

     

    2F signal acquisition interface:

    1785827825585975.png

     


    Algorithm calibration interface:

    图片2.png

     


    Modulation signal linearity test (oscilloscope voltage signal effect diagram):

    1785827924943385.png

     

    Ordering Information

     

    MP-QCL- W□□□□ -☆-△-XX

     

    W□□□□: Wavelength

     

    5260: 5260nm

     

    5184: 5184nm

     

    7160: 7160nm

     

    7400: 7400nm

     

    10530: 10530nm

     

     ☆: collimated output

     

    1: with

     

    0: without

     

    △: laser type

     

    FP: QCL-FP

     

    DFB: QCL-DFB

     

    XX: output power


    Optional Configurations

    --

    Downloads

    No resources available

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  • Product title: 7.4um Low-Power Desktop DFB-QCL Mid-Infrared Quantum Cascade Laser (Desktop Light Source)
  • Product link: https://www.idealphotonics.com/product/detail/1646.html

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      • Other Requirements:

    • 10+ 10 Years of Experience
    • 50 50 + Countries Bussiness
    • 10000 10k + Diodes sold worldwide
    • 30 30+ Invention patent
    • 10 10+ Advanced Optical Solutions

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