Liquid crystal optical device based on digital microscope component

A digital micromirror device, liquid crystal optics technology, applied in optics, optical components, nonlinear optics, etc., can solve the problem of pattern loading difficulty, and achieve the effect of fast modulation

Inactive Publication Date: 2011-06-22
SUN YAT SEN UNIV
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Problems solved by technology

For the study of the light regulation performance of liquid crystals, it is necessary to act on the liquid crystal with a certain pattern of strong light to study the optical properties of the liquid crystal under the action of strong light (mainly the modulation of the refractive index). The pattern usually used is the simplest two-beam interference The stripe pattern, other patterns are difficult to load, so it is rarely used

Method used

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  • Liquid crystal optical device based on digital microscope component
  • Liquid crystal optical device based on digital microscope component

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0017] Such as figure 1 As shown, a liquid crystal optical device based on a digital micromirror device, which includes a light source system for forming parallel light, a digital micromirror device that receives parallel light and generates multiple beams of diffracted light, and a computer for controlling the digital micromirror device A control system, an imaging system that converges multiple beams of diffracted light and coherently superimposes them to form a modulation pattern, a liquid crystal layer that receives the modulation pattern, and a liquid crystal control system for applying a driving voltage to the liquid crystal layer.

[0018] The light source system emits parallel light, which is processed by a digital micromirror device to form multiple beams of diffracted light. The multiple beams of diffracted light are converged by the imaging system and cohe...

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Abstract

The invention discloses a liquid crystal optical device based on a digital microscope component, which comprises a light source system, a digital microscope component, a computer control system, an imaging system, a liquid crystal layer and a liquid crystal control system, wherein the light source system is used for forming parallel light, the digital microscope component receives the parallel light and generates a plurality of beams of diffracted light, the computer control system is used for controlling the digital microscope component, the imaging system converges the diffracted light and coheres and superposes the diffracted light to form modulation figures, the liquid crystal layer receives the modulation figures, and the liquid crystal control system is used for applying driving voltage to the liquid crystal layer. The invention can modulate the liquid crystal layer accurately and quickly.

Description

technical field [0001] The invention relates to a liquid crystal optical device based on a digital micromirror device. Background technique [0002] The optical control characteristics of liquid crystals are a new type of control research different from electro-optic modulation. It can be used to make optical switches, optical storage devices, holographic storage devices, etc. For the study of the light regulation performance of liquid crystals, it is necessary to act on the liquid crystal with a certain pattern of strong light to study the optical properties of the liquid crystal under the action of strong light (mainly the modulation of the refractive index). The pattern usually used is the simplest two-beam interference The stripe pattern of other patterns is difficult to load, so it is rarely used. Contents of the invention [0003] Aiming at the shortcomings of the prior art, the object of the present invention is to provide a liquid crystal optical device based on a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13G02B26/08
Inventor 周建英谢向生陆锦洪刘忆琨项颖
Owner SUN YAT SEN UNIV
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