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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 13, Iss. 8 — Aug. 1, 1974
  • pp: 1807–1813

Instrumentation Optimization in Fourier Spectroscopy. 1: Far Infrared Beam Splitters

J. L. Deuzé and A. L. Fymat  »View Author Affiliations


Applied Optics, Vol. 13, Issue 8, pp. 1807-1813 (1974)
http://dx.doi.org/10.1364/AO.13.001807


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Abstract

Computations of the reflectivity, transmissivity, and efficiency properties for TE, TM, and T45° waves of far ir beam splitters (BS) and of the polarizations induced at both reflection and transmission are described. Effects of variations in the state of polarization, orientation, pointing accuracy, and wavelength of the incident light, as well as variations in refractive index and thickness of the BS, are discussed. These results apply directly to Fourier interferometer-spectrometers. They can be used for optimizing the performance of these instruments. They indicate, in particular, that some advantages may be gained by the use of incident polarized light (angle of polarization smaller than about 45° or negative elliptical polarization) or light of large incidence angle (larger than approximately 60°) or both. A novel method of inversion of experimental results to the end of determining the BS physical parameters is proposed. It makes use of the variations with incident light direction of the BS reflectivity, transmissivity, or efficiency curves.

© 1974 Optical Society of America

History
Original Manuscript: August 17, 1972
Revised Manuscript: January 11, 1974
Published: August 1, 1974

Citation
J. L. Deuzé and A. L. Fymat, "Instrumentation Optimization in Fourier Spectroscopy. 1: Far Infrared Beam Splitters," Appl. Opt. 13, 1807-1813 (1974)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-13-8-1807

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