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Updated: Jul 26, 2026
06:46
Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic
Published on: August 25, 2016
Tunable X-ray polarization reflector with perfect crystals
1Engineering Research Institute, University of Tokyo, Yayoi, Bunkyo, Tokyo 113, Japan. yhaseg@kohsai.t.u-tokyo.ac.jp
Summary
This study introduces a novel transmission-type X-ray linear polarizer using Bragg reflectors. This device enables efficient polarized X-ray spectroscopy with stable beam characteristics across varying energies and polarization directions.
Area of Science:
- Physics
- Materials Science
- Optics
Background:
- X-ray linear polarizers are crucial for spectroscopic measurements.
- Existing polarizers often involve complex designs or beam manipulation.
Purpose of the Study:
- To investigate a transmission-type X-ray linear polarizer utilizing a thin Bragg reflector.
- To assess the feasibility of using the transmitted beam as the polarized output.
Main Methods:
- Theoretical analysis of Bragg reflector behavior for polarization.
- Preliminary transmissivity measurements were conducted.
- Experiments utilized perfect silicon and diamond crystals.
Main Results:
- A polarization ratio (I(H)/I(V)) exceeding 10^5 was experimentally achieved.
- The transmitted beam's position and direction remained constant with energy or filtered polarization changes.
- Demonstrated suitability for spectroscopic applications.
Conclusions:
- The transmission-type X-ray linear polarizer offers a stable and efficient method for generating polarized X-rays.
- This technology is well-suited for advanced spectroscopic measurements requiring polarized X-ray beams.
