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Method and device for manufacturing a dual-band cold mirror

A production method and dual-band technology, applied in optical components, instruments, optics, etc., can solve problems such as hindering the study of Hanle effect and affecting scattering polarization, and achieve the effect of simple method and easy operation

Active Publication Date: 2018-12-21
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

They encountered a problem when analyzing the acquired data: the localized radiation field affected the scattering polarization, which hindered the study of the Hanle effect

Method used

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  • Method and device for manufacturing a dual-band cold mirror
  • Method and device for manufacturing a dual-band cold mirror
  • Method and device for manufacturing a dual-band cold mirror

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Embodiment Construction

[0047] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0048] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under app...

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Abstract

The invention provides a method and device for manufacturing a dual-band cold mirror. The method overcomes design difficulties such as severe dispersion of far-ultraviolet band materials and non-negligible material absorption. The asymmetric Gaussian envelope tailoring film thickness modulation method adopted has Innovative, in the optimization process of computer optical thin film software, using a Gaussian curve to represent the target curve of the 121.6nm reflection band helps to obtain a reflection band with a bandwidth of 4nm. This method is simple, easy to operate, and can get better design results.

Description

technical field [0001] The invention relates to the technical field of optical thin films, in particular to a method and device for manufacturing a dual-band cold mirror. Background technique [0002] The Lyman-α line is the emission line of hydrogen, with a wavelength of 121.6nm. It is the strongest line in the solar chromosphere and the transition region between the chromosphere and the corona. By studying the Hanle effect of Lyman-α lines, people can reveal the mystery of the magnetic field structure of the solar chromosphere. The magnetic field structure of the solar chromosphere is a very challenging scientific research in the field of solar physics. In 2015, NASA launched the Raman Alpha Spectropolarimeter (CLASP1) sounding rocket, which successfully detected the scattering process of the 121.6nm spectral line and the linear polarization phenomenon caused by the Hanle effect. They encountered a problem when analyzing the acquired data: the localized radiation field a...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B1/115
CPCG02B1/115
Inventor 王孝东陈波王海峰郑鑫
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI