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Remodeling of the optics for a micro-focusing protein crystallography beamline at SPring-8
Author(s): Shunji Goto; Tomoyuki Takeuchi; Yasunori Senba; Hirokatsu Yumoto; Hiroshi Yamazaki; Haruhiko Ohashi; Seiki Baba; Nobuhiro Mizuno; Yuki Nakamura; Kazuya Hasegawa; Takashi Kumasaka; Kunio Hirata; Keitaro Yamashita; Naoki Sakai; Masaki Yamamoto
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Paper Abstract

Micro-focusing protein crystallography beamline BL45XU was remodeled using focusing mirrors and a slit as a secondary source. In the horizontal direction, two stage focusing was adopted and beam size was controlled by the slit and defocusing of 2nd mirror by changing the glancing angle. In the vertical direction, beam size was enlarged by defocusing by changing the glancing angle. Beam profile and photon flux through slit and mirror were estimated using a wave calculation, and compared with the measurements. We verified that beam size can be controlled using a slit and mirror defocusing from 5×5 to 50×50 μm2, and measured photon flux agreed with estimation.

Paper Details

Date Published: 9 September 2019
PDF: 8 pages
Proc. SPIE 11108, Advances in X-Ray/EUV Optics and Components XIV, 111080I (9 September 2019); doi: 10.1117/12.2530667
Show Author Affiliations
Shunji Goto, JASRI SPring-8 Ctr. (Japan)
Tomoyuki Takeuchi, JASRI SPring-8 Ctr. (Japan)
Yasunori Senba, JASRI SPring-8 Ctr. (Japan)
Hirokatsu Yumoto, JASRI SPring-8 Ctr. (Japan)
Hiroshi Yamazaki, JASRI SPring-8 Ctr. (Japan)
Haruhiko Ohashi, JASRI SPring-8 Ctr. (Japan)
Seiki Baba, JASRI SPring-8 Ctr. (Japan)
Nobuhiro Mizuno, JASRI SPring-8 Ctr. (Japan)
Yuki Nakamura, JASRI SPring-8 Ctr. (Japan)
Kazuya Hasegawa, JASRI SPring-8 Ctr. (Japan)
Takashi Kumasaka, JASRI SPring-8 Ctr. (Japan)
Kunio Hirata, Riken SPring-8 Ctr. (Japan)
Keitaro Yamashita, RIKEN SPring-8 Ctr. (Japan)
Naoki Sakai, RIKEN SPring-8 Ctr. (Japan)
Masaki Yamamoto, RIKEN SPring-8 Ctr. (Japan)


Published in SPIE Proceedings Vol. 11108:
Advances in X-Ray/EUV Optics and Components XIV
Ali M. Khounsary; Shunji Goto; Christian Morawe, Editor(s)

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