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System and method for analyzing Mars mineral composition by double reuse laser spectroscopy

A mineral composition and analysis system technology, applied in the field of photoelectric detection, can solve the problem of inability to detect molecular composition and organic functional groups

Active Publication Date: 2018-02-16
SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0004] Using a single LIBS technology can detect the main elements on the surface of Mars, but cannot detect the molecular composition and organic functional groups

Method used

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  • System and method for analyzing Mars mineral composition by double reuse laser spectroscopy
  • System and method for analyzing Mars mineral composition by double reuse laser spectroscopy

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Embodiment Construction

[0046] The specific embodiment of the present invention is as figure 1 and figure 2 shown.

[0047] The dual-reuse laser spectrum Mars mineral composition analysis system proposed by the present invention mainly includes an optical head 3, an optical fiber multiplexer 5, a short-wave optical fiber 6, a medium-wave optical fiber 7, a long-wave optical fiber 8, a short-wave spectrometer 9, a medium-wave spectrometer 10, and a long-wave optical fiber. Spectrometer 11 , calibration board support 12 , calibration board 13 , pointing mirror bracket 21 , two-dimensional pointing mirror 22 , two-dimensional rotation control assembly 53 , pointing mirror control cable 54 and load controller 19 .

[0048] Wherein, the optical head 3 is mainly composed of a microscopic imaging detector 23, a self-focusing detector 24, a second dichroic film 25, a first dichroic film 26, a relay lens group 27, a primary mirror 28, and a primary mirror support frame 29. , secondary mirror focusing assem...

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Abstract

The invention discloses a system and method for analysis of Martian mineral components by using double multiplexing laser spectrum. The system includes an optical head, a short wavelength spectrometer, a medium wave spectrometer, a long wavelength spectrometer, a calibration board bracket, a calibration board, a pointing mirror bracket, a two-dimensional pointing mirror, a two-dimensional rotation control component, a pointing mirror control cable and a load controller. Based on the system, the combined detection of atom and molecular can be achieved by combined detection of laser induced plasma spectroscopy and laser Raman spectroscopy. The invention provides a double multiplexing laser spectrum detection system and method; a same pulse laser source and three frequency multiplication modules are used to realize the multiplexing of light sources; and short, middle and long wave spectrometers in the same length and the corresponding spectrum ICCD area array detectors are used to achieve the multiplexing of beam split and spectral detection. In addition, remote micro area imaging and laser self-focusing function are achieved to share a main optical path. The invention effectively expands the scope of Martian mineral analysis, and the system is compact and convenient, reduces the fluorescence interference and improves the comprehensiveness of molecular detection.

Description

technical field [0001] The invention relates to a laser spectrum detection method, in particular to a remote mineral component analysis method using double-reuse laser spectrum technology, which is suitable for the analysis of mineral components on the surface of Mars and belongs to the field of photoelectric detection. Background technique [0002] In the analysis of the mineral composition of the surface of Mars in deep space exploration, since the manned Mars landing technology is not yet mature, it is necessary to use an unmanned remote automatic detection method. Compared with other remote material composition detection methods, laser spectroscopy detection methods have the advantages of no sample preparation, fast analysis speed, multi-element analysis and trace element detection at the same time, and can remove the dust layer on the surface of the sample and go deep into the sample for measurement, etc. Has been or will be applied. [0003] In laser spectrum detectio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/65
CPCG01N21/65G01N2021/655
Inventor 舒嵘万雄徐卫明阎志欣章婷婷刘鹏希
Owner SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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