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Start Over Author "Akio Toyoshima" Publisher international union of crystallography (iucr)
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1. High-resolution spherical grating monochromator for the undulator beamline (BL-16B) at the Photon Factory

Author

Akio Toyoshima, Koichi Soejima, Takanori Kiyokura, Tatsuji Hayaishi, Eiji Shigemasa, Yonglian Yan, and Akira Yagishita

Subjects
Physics, Nuclear and High Energy Physics, Range (particle radiation), Radiation, Photon, business.industry, Grating, Undulator, Photon energy, law.invention, Optics, Beamline, law, Factory (object-oriented programming), Optoelectronics, business, Instrumentation, Monochromator
Abstract

The design and performance of a 24 m high-resolution spherical grating monochromator (H-SGM) for the undulator beamline (BL-16B) at the Photon Factory are described. With three interchangeable gratings of 400, 900 and 2000 lines mm−1, the H-SGM is designed to cover the photon energy range 40–600 eV. With a resolving power of approximately 2000 in the photon energy range 40–530 eV, more than 1011 photons s−1 have been measured. The best resolutions obtained so far, at a substantially lower photon flux, are greater than 10 000 at 250 eV and 8000 at 400 eV

Published
1998

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