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Glass‐capillary collimator for distance compensation and partial monochromatization at rotating‐anode X‐ray generators
Author(s) -
Müller J. J.,
Gorny H.E.,
Schmalz J.,
Heinemann U.
Publication year - 1995
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889895009708
Subject(s) - collimator , capillary action , optics , precession , beam (structure) , anode , x ray , usable , physics , compensation (psychology) , materials science , electrode , computer science , quantum mechanics , astronomy , world wide web , psychology , psychoanalysis , thermodynamics
Access to the beam ports of rotating‐anode X‐ray generators is often obstructed by direct‐coupled or belt‐driven target drives. The construction of an easily adjustable stable glass‐capillary collimator is described, which renders possible the unrestricted use of beam ports of these generators. Transmitted intensity and monochromaticity of the primary beam are sufficient for precession photographs of proteins after additional 20 μm Ni filtering as demonstrated by a precession photograph of hen egg lysozyme. The straight capillary collimator is now a routinely usable low‐cost device for each X‐ray laboratory.