Soft x‐ray microscope at the undulator beamline of the Photon Factory

A soft x‐ray microscope using Fresnel zone plates as optical imaging elements was installed at the Photon Factory. It makes use of undulator radiation as a source of soft x rays ranging from 2.0 to 3.0 nm in wavelength. The optical system was designed to match to the undulator radiation. A performan...

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Bibliographic Details
Published in:Review of Scientific Instruments 1989-07, Vol.60 (7), p.2448-2451
Main Authors: Kagoshima, Yasushi, Aoki, Sadao, Kakuchi, Masami, Sekimoto, Misao, Maezawa, Hideki, Hyodo, Kazuyuki, Ando, Masami
Format: Article
Language:English
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Summary:A soft x‐ray microscope using Fresnel zone plates as optical imaging elements was installed at the Photon Factory. It makes use of undulator radiation as a source of soft x rays ranging from 2.0 to 3.0 nm in wavelength. The optical system was designed to match to the undulator radiation. A performance test was made at 2.66 nm by various pitches of transmission gratings. Those magnified images were taken with a magnification of 230 and exposure times of about 10 s. The modulation transfer function was measured over the spatial frequency up to 3300 lp/mm. Further, magnified images of some biological specimens were obtained.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1140695