High-energy laser beam expanding and absorbing device
An absorption device, high-energy laser technology, applied in optics, optical components, instruments, etc., can solve the problems of high light energy and power density, difficult laser reflection beam expansion processing, large spot area of high-energy laser, etc., to improve laser energy absorption. The effect of reducing the laser power density and increasing the laser absorption rate
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[0029] The conventional high-energy laser energy meter is based on the principle of total absorption measurement. When the incident high-energy laser reaches the photothermal measurement unit such as the absorption cavity, the photothermal measurement unit absorbs the incident laser energy and converts its own temperature rise. The temperature sensor array is used to control the photothermal measurement unit. The temperature change is measured in real time, and finally the temperature signal measured by the temperature sensor array is recorded and processed by the data acquisition and processing unit, and finally the total energy of the incident high-energy laser is obtained.
[0030] When applied to high-power and long-time light measurement, the ability of the energy absorbing device to withstand laser radiation is very critical. The present invention proposes a high-energy laser energy beam expansion absorbing device used in a high-energy laser energy measuring device, includ...
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