Speckle elimination device based on Mie scattering and Brownian motion
A technology of Mie scattering and Brownian motion, applied in optical components, optics, instruments, etc., can solve the problems of poor speckle elimination effect, complex realization structure and high cost, and achieve good speckle elimination effect and uniform light energy distribution. , the effect of high utilization
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[0023] Such as figure 2 As shown, the speckle elimination device based on Mie scattering and Brownian motion includes a closed optical reflection cavity 302 on which an incident light coupling device 301 and a transmission and exit surface 303 are arranged. The closed optical reflection cavity 302 except the transmission and exit surface 303 The inner walls other than the inner wall are all "mirror" inner walls (that is, the inner wall has high reflectivity and can "total reflect" the laser beam incident in the optical reflection cavity). The enclosed optical reflection cavity 302 is filled with the entire enclosed optics The solution or sol 401 in the reflection cavity 302, and the solution or sol 401 is dispersed with medium particles 402 whose linearity can cause the incident laser 101 to undergo Mie scattering.
[0024] In specific implementation, the solution is an organic solution or an inorganic solution; the sol is an aerosol or a liquid sol; the medium particles 402 can ...
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