X-ray interference fringes in transmitted beam of bragg mode from very weakly bent crystal

Sukswat Jongsukswat, Tomoe Fukamachi, Kenji Hirano, Dongying Ju, Riichirou Negishi, Masayuki Shimojo, Keiichi Hirano, Takaaki Kawamura

研究成果: Article

2 引用 (Scopus)

抜粋

Interference fringes from a Si plane-parallel crystal have been observed in the topography of the transmitted beam in the Bragg mode when the crystal is very weakly bent. The period of the interference fringes becomes large as the distance from the incident point of the X-ray to the emitted point of the beam increases. The interference fringes are caused by interference between the transmitted beams in the Bragg mode with twice internal reflections from the bottom and top surfaces and those without any internal reflection. When these interference fringes are observed, another interference fringes are observed in the emitted beams from the lateral surface even when the distance from the incident point to the crystal edge is 13.5 mm. This indicates that X-rays propagate over a long distance, i.e., over a centimeter distance in the crystal, and the very weakly bent crystal acts as an X-ray waveguide.

元の言語English
記事番号094804
ジャーナルjournal of the physical society of japan
81
発行部数9
DOI
出版物ステータスPublished - 2012 9

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Jongsukswat, S., Fukamachi, T., Hirano, K., Ju, D., Negishi, R., Shimojo, M., Hirano, K., & Kawamura, T. (2012). X-ray interference fringes in transmitted beam of bragg mode from very weakly bent crystal. journal of the physical society of japan, 81(9), [094804]. https://doi.org/10.1143/JPSJ.81.094804