Double-spectrum imaging device driven by laser to generate X-ray source

A laser-driven, imaging device technology, applied in measuring devices, optical radiation measurement, spectrometry/spectrophotometry/monochromator, etc., to achieve the effects of easy installation, increased total brightness, and increased laser power density
CN102778294AInactive Publication Date: 2012-11-14INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
Publication Date
2012-11-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

A double-spectrum imaging device driven by laser to generate an X-ray source comprises a laser device (1), a vacuum chamber (3),a driving laser inlet (2) and a target assembly. The driving laser inlet (2) is arranged on the vacuum chamber (3) and is matched with the laser device (1), the target assembly is arranged in the vacuum chamber (3) and consists of a plane foil target (601) and a support (602), the plane foil target (601) is positioned in the middle of the vacuum chamber (3), andthe plane with the plane foil target (601) divides the vacuum chamber (3) into target-front space and target-rear space. The double-spectrum imaging device is characterized in that spherical bent crystals capable of being gathered are distributed at the front or the rear of the target to diffract X-rays, to-be-measured samples are distributed on a sample support (701) at the downstream of the spherical bent crystals, and backlight imaging information is received by an imager; and bremsstrahlung spectral lines are led to the front or the rear of the target to directly transmit through the to-be-measured samples on the sample support, and backlight imaging information is received by an imager at a signal receiving end.
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Description

technical field

[0001] The invention is a device for transmission imaging by using a laser to drive a solid material to generate characteristic spectral lines (characteristic radiation spectral lines) and continuous spectral lines (bremsstrahlung spectral lines). Background technique

[0002] The X-ray source generated by the interaction between laser and solid matter covers a wide range of wavelengths, from vacuum ultraviolet to high-energy hard X-rays. The most studied X-spectrum is the high-energy bremsstrahlung line and the characteristic radiation line of the material, both of which have the characteristics of small spot, high photon energy, and short pulse time, so they are often used in high-energy density physical processes. Diagnostic studies such as backlight imaging diagnosis of implosion processes or pinch processes. Among them, the non-thermal radiation effect of the K-shell characteristic radiation line has high energy conversion efficiency and its own narrow ...

Claims

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