Optical grating spectrometer

A grating spectrometer and spectrometer technology, applied in the field of grating spectrometers, can solve the problems of collecting data and not being able to meet the requirements at the same time, and achieve the effect of a large spectral response wavelength range

Inactive Publication Date: 2006-01-11
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] However, grating spectrometers using photomultiplier tubes or CCDs as photodetectors need to convert optical signals into electrical signals, and then use computers and other equipment to perform subsequent processing on spectral information such as electrical signals. Influenced by the con

Method used

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Embodiment Construction

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0019] See figure 2 , The grating spectrometer of the present invention, in accordance with the order of the optical path through the components of the spectrometer, the grating spectrometer includes: a light source 20, an incident slit plate 21, a collimating lens 22, a grating 23, a focusing lens 24, a reflection Mirror 25, an aspheric lens 26, an exit slit plate 27, a digital micro-mirror device 28, a color wheel 29, a projection lens 30 and a display screen 31.

[0020] The light source 20 can be an Inductively Coupled Plasma (ICP) light source, which has the advantages of good stability, high excitation temperature, wide linear range and less chemical interference. In addition, a laser light source can also be selected.

[0021] The main function of the collimating lens 22 is to collect, collimate and reduce stray light from the light source 20. When the ta...

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Abstract

The present invention relates to a grating spectrograph. Said spectrograph successively includes the following components: a light source, a collimating lens, a grating, a focusing lens, an aspheral lens, digital micromirror equipment, a colour wheel, a projection lens and a display screen. Said invention also provides the concrete function of every component and its working principle.

Description

【Technical Field】 [0001] The invention relates to a grating spectrometer. 【Background technique】 [0002] Spectroscopy technology is a high-tech technology that integrates optics, spectroscopy, precision machinery, electronic technology, and computer technology. It can obtain rich information about the space and spectrum dimensions of the measured target. Therefore, it is used in aerospace remote sensing, scientific experiments, industrial , Agriculture, geology, ocean, safety and other aspects have extremely important application value, known as a great leap in the history of optical instrument development. [0003] Spectrometer is an essential instrument for spectral analysis and research. Spectroscopic analysis is an important method for studying the structure of atoms and molecules. Most of the existing knowledge about atomic structure comes from the study of atomic spectroscopy. Through spectroscopic research, information on the composition of the elements contained in all s...

Claims

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Application Information

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IPC IPC(8): G01N21/25G01N21/01
Inventor 陈杰良
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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