X-ray focus lens vertical installation and adjustment system and method

A focusing mirror and X-ray technology, applied in the field of X-ray optics, can solve the problems of surface error, low installation and adjustment accuracy, and failure to meet X-ray optics, etc., to achieve the effect of reducing installation and adjustment errors and improving installation and adjustment accuracy

Pending Publication Date: 2018-08-07
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Over the years, scientists have used various methods to improve the adjustment accuracy of the X-ray focusing lens barrel, but since the thickness of the X-ray focusing lens barrel is generally less than 1mm, if the focusing lens is placed horizontally and directly aligned with the focal spot of the focusing lens on the focal plane The measurement will bring in the surface error caused by the influence of gravity, and when only the focal plane spot is detected, due to the low adjustment accuracy, it is far from meeting the needs of X-ray optics

Method used

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  • X-ray focus lens vertical installation and adjustment system and method
  • X-ray focus lens vertical installation and adjustment system and method

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Embodiment Construction

[0029] Such as figure 1 As shown, the X-ray focusing mirror vertical adjustment system of the present invention includes a collimator 1, a plane mirror 2, a fixing seat 9, a focusing mirror adjustment system 11, a half mirror 4, a corrector 5, a mirror 6, Receiving screen 7, CCD camera 8 and computer; collimator 1 is placed horizontally on the operating table, the horizontal parallel light emitted by collimator 1 is converted into vertical parallel light by plane reflector 2, collimator 1 is the whole installation and adjustment system Provide a vertical light source for adjustment; the high-precision flat reflector 2 is placed on the left side of the collimator 1 and below the focusing mirror adjustment system 11, and its surface accuracy has a significant impact on the adjustment result, so its surface shape must be guaranteed accuracy to obtain better adjustment results, while meeting the requirements of the vertical adjustment system; the half-transparent mirror 4 is locat...

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Abstract

The invention relates to an X-ray focus lens vertical installation and adjustment system and method, which solves the problems that the gravity introduced in the assembling process of a focus lens tube influences a facial form and the assembling precision is relatively low. The X-ray focus lens vertical installation and adjustment system comprises a parallel light tube, a focus lens tube, a focuslens installation and adjustmentassembling system, a semitransparent semi-reflective mirror, a reflection mirror, a receiving screen, a CCD camera and a computer; the focus lens installation and adjustmentassembling system comprises a fixed disc, a micrometer head, a suspension rope and a pulley, the pulley is fixedly arranged on the fixed disc, one end of the suspension rope is connected with themicrometer head, and the other end is connected with the focus lens tube; and the outgoing light of the parallel light tube perpendicularly enters the focus lens tube, the outgoing light of the focuslens tube is divided into two beams by virtue of the semitransparent semi-reflective mirror, one beam directly enters the receiving screen, the other beam is reflected by the reflection mirror to receiving the screen, the two beams of light form the centroid of focal spot in front of and behind a focus, and the CCD camera records and transfers the centroid of focal spot to the computer. The invention also provides an installation and adjustmentassembling method based on the system.

Description

technical field [0001] The invention relates to the field of X-ray optics, in particular to a vertical adjustment system and method for an X-ray focusing mirror. Background technique [0002] The X-ray focusing mirror is an X-ray optical device based on the principle of X-ray grazing incidence, which focuses the X-ray photons in a certain circular area on the focal plane detector for detection. For a long time, the X-ray focusing mirror has been the technical bottleneck restricting the field of X-ray observation. Especially after X-ray observation is positioned as an important direction of future space observation, its key technology research is particularly important. Over the years, scientists have used various methods to improve the adjustment accuracy of the X-ray focusing lens barrel, but since the thickness of the X-ray focusing lens barrel is generally less than 1mm, if the focusing lens is placed horizontally and directly aligned with the focal spot of the focusing l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M1/12G21K1/08
CPCG21K1/08G01M1/122
Inventor 强鹏飞盛立志李林森刘哲周晓红刘永安赵宝升
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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