A Reflectometer for Studying Liquids in the Vacuum Ultraviolet
作者:
G. D. Kerr,
J. T. Cox,
L. R. Painter,
R. D. Birkhoff,
期刊:
Review of Scientific Instruments
(AIP Available online 1971)
卷期:
Volume 42,
issue 10
页码: 1418-1422
ISSN:0034-6748
年代: 1971
DOI:10.1063/1.1684896
出版商: AIP
数据来源: AIP
摘要:
A reflectometer has been built for measuring the reflectance of liquids in the vacuum ultraviolet. A monochromator is rotated about a liquid sample in equilibrium with its vapor in a windowless dish. A continuous range of angles of incidence is provided between 15 and 70°. The light traverses a path of approximately 1 cm in length in the vapor adjacent to the sample. The reflected beam is collected by a light pipe. A description of the mechanisms for positioning the light pipe, adjusting the sample dish, and rotating the monochromator with respect to the reflecting surface is given, as well as the system used to maintain a pressure differential between the monochromator and chamber containing the liquid sample.
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