Cosine-gauss correlative light beam generation system and method and measuring equipment of cosine-gauss correlative light beam

A technology of Gaussian beam and generation method, which is applied in the field of applied optics and can solve problems such as few experimental studies.

Inactive Publication Date: 2014-02-19
SUZHOU UNIV
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  • Cosine-gauss correlative light beam generation system and method and measuring equipment of cosine-gauss correlative light beam
  • Cosine-gauss correlative light beam generation system and method and measuring equipment of cosine-gauss correlative light beam
  • Cosine-gauss correlative light beam generation system and method and measuring equipment of cosine-gauss correlative light beam

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[0050] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0051] ginseng figure 1 As shown, in a preferred embodiment of the present invention, a cosine-Gaussian correlation partially coherent Gaussian beam generation system sequentially includes a laser 1, a polarizer 2, a beam expander 3, a liquid crystal spatial light modulator 4, a circular Shaped diaphragm 5, focusing convex lens 6, rota...

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Abstract

The invention discloses a cosine-gauss correlative light beam generation system and method and measuring equipment of a cosine-gauss correlative light beam, wherein the cosine-gauss correlative light beam is a cosine-gauss correlative partly-relevant gauss beam. The cosine-gauss correlative light beam generation system sequentially comprises a laser, a polarizing film, a beam expander, a liquid crystal spatial light modulator, a circular diaphragm, a focusing convex lens, a rotary ground glass piece, a collimation convex lens and a gauss filter, wherein multiple particles are arranged on the surface of the rotary ground glass piece, and the sizes of the particles conform with Gaussian statistical distribution. The cosine-gauss correlative light beam generation system is compact in structure, good in operability and broad in application range, and the generated cosine-gauss correlative partly-relevant gauss beam has broad application prospect in the fields of information transmission, industrial processing and the like.

Description

technical field [0001] The invention relates to the technical field of applied optics, in particular to a generation system, method and measurement device of a cosine-Gaussian correlation partially coherent Gaussian beam. Background technique [0002] Since the first ruby ​​laser was made in 1960, after more than half a century of development, laser technology has been widely used in various fields of national production and life, such as national defense technology, biomedicine, and industrial manufacturing, which has greatly promoted social development. development and progress. The high coherence of lasers has always been praised by people, but long-term practical application research has shown that low-coherence beams have more advantages than fully coherent beams in some applications (atmospheric optical communication, optical remote sensing, etc.). People call this type of beam with a coherence length between zero and infinity a partially coherent beam. The basic the...

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Application Information

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IPC IPC(8): G02B27/09G01J1/00G01J1/04
Inventor 刘显龙王飞吴高锋蔡阳健
Owner SUZHOU UNIV
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