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Often, in the course of optical investigations, particularly with spectrographs, it becomes desirable to orient the image of a fixed light source in some particular direction with respect to the spectrograph slit. This situation presents no problem if the light path has a section where
the light beam is parallel. Here one may use a Dove prism for the image rotation. However, if the light beam has no section with parallel light or if the optical investigations are being carried out in the ultraviolet or infrared regions of the spectrum where the cost of achromatic optics
becomes prohibitive, then one must use front-surface mirrors.
Georgia Institute of Technology, Atlanta, Georgia; presently with the University of Kentucky, Lexington, Kentucky 2:
Purdue University, Lafayette, Indiana
Publication date: November 1, 1966
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The Society publishes the internationally recognized, peer reviewed journal, Applied Spectroscopy, which is available both in print and online. Subscriptions are included with membership or can be purchased by institutional or corporate organizations. Abstracts may be viewed free of charge. Previously published as Bulletin (Society for Applied Spectroscopy)