作者: Arthur H. Jaffey,
期刊: Review of Scientific Instruments (AIP Available online 1954) 卷期: Volume 25, issue 4
页码: 349-354
ISSN:0034-6748
年代: 1954
DOI:10.1063/1.1771061
出版商: AIP
数据来源: AIP
摘要:
Some formulas for the calculation of the solid angle subtended by a circular aperture at an isotropically emitting point or spread source are presented as well as three tables of solid‐angle values.
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