Co-target X-ray space-time resolution spectrographic method and its spectrograph

A space-time resolution and X-ray technology, which is applied in the field of common-target X-ray space-time resolution spectroscopy and its spectrometer, can solve problems such as film loading and unloading, washing, data processing that take a long time, and cannot obtain X-ray spectra in real time. Achieve the effect of saving the cost of shooting, improving the receiving efficiency and spectral resolution, and quickly obtaining the spectrum

Inactive Publication Date: 2005-03-23
CHONGQING UNIV
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Problems solved by technology

This spectroscopic method cannot obtain the X-ray spectrum in real time because it takes a long time to load and unload the film, develop and process the data.
In addition, due to the limita

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  • Co-target X-ray space-time resolution spectrographic method and its spectrograph
  • Co-target X-ray space-time resolution spectrographic method and its spectrograph

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Embodiment Construction

[0015] see figure 1 , the method of the present invention can be embodied in this figure: the method adopts two identical elliptical crystal analyzers 2 and 6 located in the upper and lower channels as light splitting elements, utilizes the principle of self-focusing of elliptical geometric optics, and puts the target 1 on On the first focal point A of the ellipse where the two elliptical crystal analyzers overlap, the two slits 3 and 7 are respectively located on the second focal points B1 and B2 of the ellipse of the two elliptical crystal analyzers 2 and 6, at the slit 3 X-ray CCD camera 4 and streak camera 8 are respectively arranged behind , 7, and computer 5 is connected respectively behind X-ray CCD camera 4 and streak camera 8. Plasma X-rays generated by laser targeting are simultaneously split by two elliptical crystal analyzers that overlap the first focus of the ellipse, and X-ray CCD cameras and streak cameras are used to capture spatial and time-resolved spectra b...

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Abstract

The invention relates to co-target X ray space time resolution spectrum method and its instrument. The optical system of the instrument includes two elliptical crystal analyzer and an upper and subjacent channel thin gaps, their position relation accords with the theory of geometry optical of ellipse focus. The method is: the target is placed at the first focus of the ellipse, the thin gap is a the second focus of the ellipse, the spectrum detector is behind of the thin gap, uses the two elliptical crystal analyzers superposed on the first focus to carry on spectrum, the plasma X ray generated by the laser by striking the target penetrates the thin gap and is imaged by the X ray CCD camera and stripe camera after through the elliptical crystal analyzer spectrum, the X ray CCD camera takes the space resolution spectrum, the X ray stripe camera takes the time resolution spectrum. The invention can acquires the space and time resolution spectrums at the same time, and the receiving efficiency and spectrum resolution are upgraded.

Description

Technical field: [0001] The invention belongs to a common-target X-ray time-space resolution spectrometry method and a spectrometer thereof. Background technique: [0002] In the experimental research of laser inertial confinement fusion, high-power short-pulse laser targeting produces a large amount of high-temperature plasma, and a large amount of X-rays are radiated from the laser plasma, which can be used for spectroscopic measurement and plasma diagnosis. High-temperature plasma X-rays carry a large amount of useful information, which can be used to determine electron temperature, electron density, electron energy distribution, plasma expansion velocity and ionization state, etc. In addition, in the experimental study of radiation opacity, since the radiation opacity is strongly dependent on the state of matter, the high temperature state achieved by heating the matter through radiation changes rapidly with time, and at the same time, the high temperature state of matte...

Claims

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Application Information

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IPC IPC(8): G01J3/12G01J3/40
CPCG01T1/185G01T1/026
Inventor 钟先信肖沙里熊先才钱家渝
Owner CHONGQING UNIV
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