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Transmission type adjustable liquid diffraction grating

A diffraction grating and adjustable technology, applied in optics, optical components, instruments, etc., can solve problems such as inability to adjust

Inactive Publication Date: 2013-04-03
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, once the current diffraction grating is processed, its structure and characteristics are fixed and cannot be adjusted.

Method used

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  • Transmission type adjustable liquid diffraction grating
  • Transmission type adjustable liquid diffraction grating
  • Transmission type adjustable liquid diffraction grating

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Embodiment Construction

[0015] The purpose of the present invention is to provide a transmissive adjustable liquid diffraction grating to solve the technical problems in related fields.

[0016] The transmissive adjustable liquid diffraction grating of the present invention is as figure 1 shown. The transmission adjustable liquid diffraction grating is composed of a liquid with high transmittance and a plastic container with high transmittance.

[0017] The transmissive liquid diffraction grating of the present invention can be adjusted in two ways:

[0018] 1. Adjustment of liquid density, transmittance and other characteristics. Such as figure 2 , image 3 and Figure 4 Among them, through external or internal excitation, the density, transmittance and other characteristics of the liquid produce a stable one-dimensional, two-dimensional or three-dimensional periodic structure, forming a transmission diffraction grating. And by controlling the applied excitation, the periodic structure of the...

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Abstract

A transmission type adjustable liquid diffraction grating is composed of a liquid of the high transmittance and a shapeable container of the high transmittance. By the aid of external or internal excitation, characteristics such as the density and the transmittance of the liquid are in a stable one-dimensional, two-dimensional or three-dimensional periodic structure on one hand, so that a transmission type one-dimensional, two-dimensional or three-dimensional diffraction grating is formed; and on the other hand, the shape of the container is changed to form a plane grating, a concave grating or a grating of other characteristics.

Description

technical field [0001] The invention relates to a transmission-type adjustable liquid diffraction grating, in particular to a transmission-type adjustable liquid diffraction grating suitable for spectrum measurement. Background technique [0002] The application of spectral measurement is becoming more and more common, and monochromators and spectrometers based on diffraction gratings are widely used. Diffraction grating is an optical device with periodic spatial structure or optical structure, which can be divided into reflective or transmissive structures. The common types are planar grating and concave grating. Diffraction gratings are generally processed on glass or quartz substrates for coating and scribing. Therefore, once the current diffraction grating is processed, its structure and characteristics are fixed and cannot be adjusted. Contents of the invention [0003] The object of the present invention is to provide a transmissive adjustable liquid diffraction gr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/08
Inventor 刘金涛张凯临姚玉玲
Owner OCEAN UNIV OF CHINA