• 10m optical path miniaturized gas chamber 1960-2400nm

    The 10-meter optical input and electrical output gas absorption cell is used for various gas spectral analysis and detection. The optical path structure of the gas cell uses the self-patented design, the flat wave gas cell (SlimBoss Gas Cell) with excellent optical stability, and the auxiliary and high-stability optical packaging structure, which is mainly composed of the gas cavity, reflector, standard optical fiber connector, gas inlet and outlet, and shockproof base. The unique suspension optical path design has excellent vibration and temperature stability, can work stably in various complex environments, and is very suitable for online real-time detection of various gases. It has low system noise and can be applied to trace gas analysis..

    产品特点The air chamber structure is stable and resistant to vibration and external extrusion、 The air chamber is small in size, compact in structure, and easy to carry、 The effective optical path is long、 The input uses standard single-mode optical fiber, and the output uses PD or optical fiber

    产品货号H80060002

    应用领域Air pollutant monitoring、 Coal flue gas emission monitoring、 Waste incineration emission monitoring、 Chemical park pollutant monitoring

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    Daisy

    电话:18602170419

    邮箱:moli@microphotons.com

    主要参数
  • 核心参数
  • 尺寸图
  • Parameter

    Parameters

    Technical specifications

    Effective optical path

    10m

    Wavelength range

    1960-2400nm

    Insertion loss

    ≤2dB

    Maximum input optical power

    2mW

    Fiber type

    nufernSM1950 optical fiber

    Output type

    PD

    Reflector

    Dielectric film

    Pressure range

    ≤0.3MPa

    Gas interface

    Φ6 straight-through

    Gas volume

    About 69mL

    Total product weight

    About 450g

    Shell material

    6061

    Operating temperature

    -20℃-70℃

    Storage temperature

    -40℃-85℃

     

     

    PD parameter

    Parameters

    Symbol

    Min

    Typical

    Max

    Unit

    Storage temperature

    Tstg

    -50

    -

    125

    °C

    Operating temperature

    Top

    -40

    25

    85

    °C

    PD reverse bias voltage

    VR

    -

    -

    1

    V

    Soldering temperature

    Tsold/t

    260/10

    -

    -

    °C/s

    Wavelength range

    λp

    900

    -

    2600

    nm

    Photosensitive surface

    Φ

    0.3

    mm

    Responsivity

    Re=λp

    1

    -

    -

    A/W

    Dark current

    ID(TC=+25°C/VR=0.5V)

    0.4

    -

    4

    uA

    Capacitance

    CJ(VR=1V,f=1MHz)

    -

    50

    100

    pF



    10 meter optical path miniaturization chamber usage test

    Using 2004nm and 2327nm DFB lasers, we built a TDLAS gas absorption system and measured the signal through the gas chamber.

    1.2.jpeg

     

     

    For 2004nm DFB laser, it is used to measure the gas absorption concentration of CO2:

    1.3.jpeg

    2004nm DFB laser measurement of CO2 gas absorption concentration amplitude

     

    Compare with our database data:

    1.4.jpeg

     

     

    For 2327nm DFB laser, used to measure the gas absorption concentration of CO:

    1.5.jpeg

    2327nm DFB laser measurement of CO gas absorption concentration amplitude

     

    Compare with our database data:

    1.6.jpeg

    Verify that this absorption peak is the absorption peak of CO gas we measured at 2327nm

    By comparison, we can find that after using the 10-meter miniaturized gas chamber, the measured gas absorption molecular amplitude becomes larger as the optical path lengthens, and a lot of detection noise is filtered out, the interference to the signal becomes smaller and smaller, and the measurement accuracy is improved.

     


    Ordering Information

    Model: MP-GC-10M (1960~2400nm)

    10M-------The optical path of the gas chamber is 10 meters

    (1960-2400nm)------The working wavelength range of the gas chamber


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