Stellar spectrum synthesizer
作者:
G. F. Landegren,
期刊:
American Journal of Physics
(AIP Available online 1975)
卷期:
Volume 43,
issue 9
页码: 821-823
ISSN:0002-9505
年代: 1975
DOI:10.1119/1.9693
出版商: American Association of Physics Teachers
数据来源: AIP
摘要:
A device is described that employs two diffraction gratings and three or four simple lenses to produce arbitrary absorption or emission spectra that may be Doppler shifted and spectroscopically examined by students some distance away. In this sense it may be regarded as a sort of artificial star whose spectrum may be compared with known spectral standards and qualitatively or quantitatively analyzed as an undergraduate laboratory exercise or simply shown as a demonstration.
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