Device and method for quantitative measurement of soft X-ray radiant flows in local area

A local area, quantitative measurement technology, applied in the field of quantitative measurement of soft X-ray radiation flow, can solve the problems of shrinkage cavity image difficulty, unable to measure radiation flow, etc., and achieve the effect of accurate radiation flow measurement results

Active Publication Date: 2015-12-30
LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS
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Problems solved by technology

[0003] The present invention aims at the problem that the radiation flow in different regions cannot be measured in the quantitative measurement of the soft X-ray radiation flow, and it is difficult to avoid shrinkage cavity images, and proposes a local area X-ray that can measure the radiation flow in a local area and avoid the influence of shrinkage cavities. Quantitative measurement method and device for radiation flow to realize quantitative measurement of soft X-ray radiation flow in the field of inertial confinement fusion, black cavity physics, radiation transport, radiation ablation, radiation opacity and implosion dynamics

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  • Device and method for quantitative measurement of soft X-ray radiant flows in local area

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Embodiment Construction

[0020] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to define the present invention.

[0021] Such as figure 1 As shown, a quantitative measurement device for soft X-ray radiation flow in a local area includes a pinhole 1, an X-ray imaging board 2, a flat-response X-ray detector 3, and an oscilloscope 4. The pinhole 1 is located at the forefront, and the X-ray imaging board 2 Located behind the pinhole 1, the center of the X-ray imaging plate 2 has a circular hole with a diameter of 2mm, and the flat-response X-ray detector 3 with a measurement energy range of 0.1eV~5KeV is located behind the X-ray imaging plate 2, and the cable is connected to the flat-response X-ray detector 3 signal output terminal and oscilloscope 4.

[0022] Taking the diagnost...

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Abstract

The invention provides a device and method for quantitative measurement of soft X-ray radiant flows in a local area. The device is characterized by comprising a pin hole, an X-ray imaging plate, a flat-response X-ray detector and an oscilloscope, wherein the pin hole is located in the front-most end, the X-ray imaging plate is located between the pin hole and the flat-response X-ray detector, a hole is formed in the X-ray imaging plate, the area of the hole is not greater than that of a cathode of the flat-response X-ray detector, the cathode of the flat-response X-ray detector is aligned to the hole formed in the X-ray imaging plate, and the oscilloscope is connected with the flat-response X-ray detector through a cable. Accordingly, the influence of hole shrinkage is avoided, and measurement of soft X-ray radiant flows in different areas is achieved.

Description

technical field [0001] The invention belongs to the field of quantitative measurement of soft X-ray radiation flow, and in particular relates to a quantitative measurement device and method for soft X-ray radiation flow in a local area. Background technique [0002] In the field of inertial confinement fusion, black cavity physics, radiation transport, radiation ablation, radiation opacity, and implosion dynamics all require quantitative measurements of soft X-ray radiation flux. At present, the commonly used quantitative measurement of soft X-ray radiation flux in the energy range of 0.1keV-5.0keV generally adopts a multi-channel soft X-ray energy spectrometer composed of an X-ray diode array, and a flat-response XRD with a composite filter and a gold cathode X-ray diode. There are two kinds of devices and methods for detectors. The X-ray diodes, filters, and plane mirrors used in the above devices must be calibrated on the synchrotron radiation beamline. Although these m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/29G01T1/36
Inventor 侯立飞刘慎业杜华冰李志超杨国洪韦敏习任宽杨家敏江少恩杨冬杨轶濛
Owner LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS
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