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10.6um CO2 Laser Beam Expander ZnSe
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10.6um CO2 Laser Beam Expander ZnSe

The 10.6um beam expander is generally composed of two or more optical elements. It is mainly used to change the size and divergence angle of the light beam. It has low insertion loss, high power tolerance, and the ability to transmit visible light, with an adjustable focal length.

The 10.6um beam expander has the following characteristics: long service life, high damage threshold, extremely low absorption rate, and high transmittance.

The advantages of the 10.6um beam expander are as follows:

It has an accurate expansion ratio and can precisely adjust the size of the light beam.

The optical quality is excellent, and it can reach the diffraction limit level.

The coaxiality of the product is strictly controlled, with a precision within 3 arc minutes.

CO2 beam expanders have a high damage threshold and good longevity.

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    parameter

    Part No Magnification Input Beam
    (mm)     		Output Beam
    (mm)     		Diameter
    (mm)     		Lwngth
    (mm)     		Thread
    JG-BEX-10.6-2 2 15 17 25 35.00 M22*0.75
    JG-BEX-10.6-2.5 2.5 15 20 25 62.00 M22*0.75
    JG-BEX-10.6-3 3 10 15 25 62.00 M22*0.75
    JG-BEX-10.6-4 4 10 18 25 67.00 M22*0.75
    JG-BEX-10.6-5 5 12 23 25 72.00 M22*0.75
    JG-BEX-10.6-6 6 10 26 32 61.00 M22*0.75
    JG-BEX-10.6-8 8 10 30 36 73.00 M22*0.75
    JG-BEX-10.6-10 10 10 35 44 123.00 M22*0.75
    JG-BEX-10.6-12 12 10 35 44 115.00 M22*0.75
    JG-BEX-10.6-15 15 10 35 44 118.00 M22*0.75

    02
    The material used for the 10.6um beam expander is made of  Zinc Selenide (ZnSe).
    02

    Applications

    1. Industrial processing field:
    Laser cutting: By expanding and collimating the laser beam through a beam expander, a smaller divergence angle and a more uniform distribution of spot energy are obtained, thereby improving cutting accuracy and efficiency.
    Laser welding: Improving the collimation characteristics of the beam, enabling the laser to focus more accurately on the welding point, reducing the heat affected zone, and improving the welding quality.
    Laser marking: used to adjust the beam size and energy distribution to make the marking clearer and more uniform, suitable for marking metal and non-metal materials.
    2. In the field of measurement and detection:
    Laser ranging: By using a beam expander to improve the collimation of the laser, the laser can maintain a smaller divergence angle over longer distances, thereby improving the accuracy of ranging.
    Optical detection: When used in conjunction with spatial filters, it can make the energy distribution of asymmetric light spots tend to be symmetrical and more uniform, which is used to detect the performance of optical components.
    3. Research and experimental fields:
    Optical experiment: used to adjust the diameter and divergence angle of the beam to meet different experimental requirements, such as obtaining a more uniform beam through a beam expander in optical interference experiments.
    Beam shaping: Adjusting the beam to the desired shape and size, such as changing the national beam spot to an elliptical beam spot or altering the aspect ratio of a rectangular beam spot.
    4. Acousto optic or electro-optic modulator: used to reduce the diameter of the beam to meet the beam requirements of the modulator.
    5. Laser scanning and telemetry: used to expand the beam diameter, improve scanning range and accuracy.
    02

    How to choose suitable beam expanders?

    When selecting a beam expander, choose optical materials and coatings that match your laser's wavelength, such as for a 10.6 μm laser. Determine the magnification (e.g., 2X, 3X, 5X) based on your application, ensuring the input beam diameter matches your laser's output and the output diameter meets your needs. Select a divergence angle that suits your collimation requirements, with smaller angles ideal for long-distance transmission. Opt for high-quality beam expanders with low wavefront distortion, high transmittance, and uniform energy distribution. Ensure the mounting method, such as threaded connections, is compatible with your optical system. For special requirements like custom zoom functions or specific size/weight needs, contact us for customization.

    Optical path diagram

    Beam Expander

    Beam Expander

    Application

    Laser marking

    Laser Marking

    laser cutting

    Laser engraving

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