A method for preparing a monochromator and the monochromator

By using stress-free crystal polishing and composite detection to calibrate the intersection line between the lattice plane and the crystal surface, combined with bonding technology, a high-precision channel-cut monochromator was fabricated. This solved the problem of unstable image quality of the monochromator at high resolution and achieved simplified optical path and high-precision crystal processing.

CN119574599BActive Publication Date: 2026-05-26ANHUI ABSORPTION SPECTROMETER EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ANHUI ABSORPTION SPECTROMETER EQUIP CO LTD
Filing Date
2024-11-27
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing monochromators have unstable image quality at high resolutions, and grooved monochromators are difficult to manufacture and have complex optical paths, which cannot meet the requirements of high-resolution experiments.

Method used

By employing stress-free crystal polishing, composite detection to calibrate the intersection line between the lattice plane and the crystal surface, bonding technology, and precision measurement methods, a bonded channel-cut monochromator suitable for perfect X-ray imaging was fabricated, achieving ultra-high precision matching through in-plane rotation of the crystal.

Benefits of technology

The problems of monochromator stability and uneven beam distribution were solved, high-precision crystal processing and simplified optical path were achieved, meeting the needs of high-resolution experiments.

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Abstract

This invention discloses a method for fabricating a monochromator and a monochromator, belonging to the field of synchrotron radiation technology. The method includes a crystal polishing step, a step of calibrating the intersection line between the lattice plane and the crystal surface and cutting to make the calibrated lattice plane and the crystal surface approximately parallel, a step of polishing the crystal surface to make it completely parallel to the lattice plane, a bonding step, and a detection step. A monochromator is fabricated using this method. This invention utilizes the bonding technology of two perfectly polished crystals and a high-precision crystal polishing method to fabricate a bonded channel-cut monochromator device suitable for perfect X-ray imaging, solving the problems of stability and uneven beam distribution in current monochromators.
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