26 November 2012 De-coherence characteristic of laser light caused by Mie scattering
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Abstract
An optical system model has been built up for evaluating de-coherence performance of Mie scattering by using ZEMAX software. The optical system consists of a linearly polarized laser source of the wavelength 0.6328 micrometer, the interferometer configuration with a double-arm beam path, the light pipe with the particles solution of variable parameters including the refractive index, the particle size and the particle concentration, and the detectors. Seven types of particles with different refractive index have been used as scattering medium. The de-coherence performance and the light energy loss have been calculated for solutions with different particle concentration and dimension. The calculated results indicate that the de-coherence performance can be improved by increasing the particle concentration in solution and the particle size. The improvement of the performance is more notable as the particle refractive index becomes higher. The dependence of the light energy loss caused by Mie scattering on the refractive index and size of the particle, and the particle concentration in solution is obtained.
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Yanhong Wang, Yanhong Wang, Pengfei Zhao, Pengfei Zhao, Shengtao Zhang, Shengtao Zhang, Wenhong Gao, Wenhong Gao, Xuyuan Chen, Xuyuan Chen, } "De-coherence characteristic of laser light caused by Mie scattering", Proc. SPIE 8557, Optical Design and Testing V, 855728 (26 November 2012); doi: 10.1117/12.2001177; https://doi.org/10.1117/12.2001177
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