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A MICHELSON INTERFEROMETER FOR USE IN THE FAR INFRARED.

By E. E. Russell, R. B. Sanderson and E. E. Bell

Abstract

This work was done in part under a contract between The Air Force Cambridge Research Laboratories and The Ohio State University Research Foundation.Author Institution: Laboratory of Molecular Spectroscopy and Infrared Studies, The Ohio State UniversityAn evacuated Michelson interferometer is described which permits either reflection or transmission measurements in the far infrared spectral region. Two-sided interferograms are obtained by stepwise displacement of the mirror in one arm of the interferometer. Complete (sine and cosine) Fourier transformation of a background run and a run with the sample placed in one arm of the interferometer yields the amplitude reflection or transmission coefficient, both amplitude and phase, as a function of frequency. The quantitative stability of the instrument is discussed along with examples of typical measurements

Publisher: 'The Ohio State University Libraries'
Year: 1965
OAI identifier: oai:kb.osu.edu:1811/14744
Provided by: KnowledgeBank at OSU
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