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Novel radiation detector based on liquid crystal material

A radiation detector and liquid crystal material technology, applied in the field of radiation detection, can solve the problems of harsh control conditions, large human errors, slow recording, etc., and achieve the effect of safe working conditions, simple structure, and low cost

Pending Publication Date: 2019-04-02
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Track detectors have been gradually replaced by electronic detectors in the 20th century due to various disadvantages such as low reflection frequency, harsh control conditions, large human errors, slow recording, and limited types of radiation sources, but electronic detectors still have their limitations.

Method used

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  • Novel radiation detector based on liquid crystal material
  • Novel radiation detector based on liquid crystal material

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Effect test

Embodiment 1

[0021] Such as figure 1 As shown, a new type of radiation detector based on liquid crystal material, which includes a light source, a first polarizer, a liquid crystal cell, a second polarizer and an observer arranged in sequence, the liquid crystal cell is provided with a nematic liquid crystal, The two sides of the liquid crystal cell are loaded with an external voltage, and the external voltage forms an electric field in the liquid crystal cell, and the light emitted by the light source can pass through the first polarizer, the liquid crystal cell and the second polarizer in sequence and be captured by the observer take over.

[0022] In this embodiment, when the radiation detector is used, the light source is turned on, and the light emitted by the light source passes through the polarizer and the liquid crystal cell, and the change of light intensity on the liquid crystal cell is observed through the observer. The detector is an instrument that displays the track of the ...

Embodiment 2

[0030] Such as figure 2 As shown, this embodiment is similar to Embodiment 1, and the difference is that a novel radiation detector based on liquid crystal material includes a light source, a first polarizer, a liquid crystal cell, a second polarizer and an observer, the The light source, the first polarizer and the liquid crystal cell are arranged in sequence, the observer and the light source are arranged on the same side of the first polarizer, and the side of the liquid crystal cell away from the first polarizer is provided with a light reflection device, the liquid crystal cell is provided with a nematic liquid crystal, the two sides of the liquid crystal cell are loaded with an external voltage, the applied voltage forms an electric field in the liquid crystal cell, and the light emitted by the light source can sequentially pass through the first polarized The sheet and the liquid crystal cell are reflected back by the light reflecting device and received by the observe...

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Abstract

The invention provides a novel radiation detector based on a liquid crystal material. The novel radiation detector based on the liquid crystal material includes a light source, a first polarizing film, a liquid crystal box, a second polarizing film and an observer aligned in turn. A nematic liquid crystal is arranged in the liquid crystal box. Applied voltages are loaded on two sides of the liquidcrystal box. Light rays emitted by the light source can penetrate through the first polarizing film, the liquid crystal box, the second polarizing film, and are received by the observer. The invention has advantages of simple structure, convenient use, smaller volume, safer working conditions and lower manufacture cost.

Description

technical field [0001] The invention relates to the technical field of radiation detection, and more specifically, to a novel radiation detector based on liquid crystal material. Background technique [0002] Liquid crystal is one of the most promising display and observation materials in the 21st century. Its development momentum is very rapid, and it is widely used in optoelectronic display technology. Liquid crystal materials are widely used in home and projection TVs, spatial optical signal modulators, adjustable gratings, and optical switches due to their unique advantages such as large optical anisotropy, high sensitivity, obvious display effects, and the ability to reorient under an external electric field. and nonlinear optics. Because liquid crystal devices are light in weight, thin in size, low in power consumption, and non-radiative, they are favored by people, and related technologies and patents are emerging in endlessly. The excellent performance of liquid cr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T5/00
CPCG01T5/00
Inventor 李潇男刘忆琨周建英税渝阳刘梦兰方文嘉马德才
Owner SUN YAT SEN UNIV
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