Reflective polarizing element and method for improving linear polarization degree of soft X-rays

A polarizing element and reflective technology, which is applied in the field of reflective polarizing elements, can solve the problems of complex preparation and application process, great manpower and material resources consumption, avoid film system design and complicated process preparation process, and simplify the experimental operation process , the effect of a wide range of sources

Inactive Publication Date: 2012-09-05
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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Problems solved by technology

[0009] To sum up, in the prior art, when multilayer films are selected as polarizing elements, it is necessary to design the film system of multilayer films according to specific experimental purposes and requirements. The preparation and application process is relatively complicated, and the cost of manpower and material resources is extremely high.

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  • Reflective polarizing element and method for improving linear polarization degree of soft X-rays
  • Reflective polarizing element and method for improving linear polarization degree of soft X-rays
  • Reflective polarizing element and method for improving linear polarization degree of soft X-rays

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Embodiment Construction

[0029] The main creative point of the present invention is that the artificial crystal is used to make reflective polarizing elements.

[0030] The artificial crystal selected by the present invention should have high reflectivity, high thermal stability and strong radiation resistance, and can adopt KTP (potassium titanyl phosphate), RTP (rubidium titanyl phosphate), Si (silicon) or Ge (germanium) artificial crystals.

[0031] The basic theoretical basis of the polarized light of the present invention is Brewster law and Malus law.

[0032] Any light vibration can be decomposed into the superposition of two electric vector vibrations whose vibration directions are perpendicular to each other. At the interface between the two media, the vibration of the electric vibration direction perpendicular to the incident plane is called S polarization, and the vibration of the electric vibration direction parallel to the incident plane is called P polarization. Under the conditions of...

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Abstract

The invention discloses a reflective polarizing element and a method for improving the linear polarization degree of soft X-rays. The polarizing element is a reflective polarizing chip made of artificial crystals; and the reflective polarizing chip has a polished reflective mirror surface. The method for improving the linear polarization degree of the soft X-rays is to obtain high linear polarization degree soft X-rays through artificial crystal chip in a 50 to 180eV ergoregion. The method can avoid troubles in design and complex process preparation I the prior art and use the new reflective polarizing element to obtain the high linear polarization degree soft X-rays.

Description

technical field [0001] The present invention relates to a reflective polarizing element and method for increasing the degree of linear polarization of soft X-rays. Background technique [0002] Polarization is one of the excellent properties of synchrotron radiation sources. In recent years, the application research of soft X-ray polarization using materials (especially magnetic materials and living matter) on the changes of the polarization intensity and polarization state of incident soft X-rays has been widely used in the fields of biology, chemistry, physics, materials science, and metrology. Carried out and developed many valuable measurement methods for studying the magnetic properties of materials, such as soft X-ray magnetic circular dichroism (XMCD), magnetic line dichroism (XMLD), magneto-optical Faraday effect and Kerr (Kerr) effect etc. In these studies, it is extremely important to accurately determine the polarization state of incident soft X-rays. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21K1/16
Inventor 赵佳
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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