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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 37, Iss. 7 — Jul. 1, 1947
  • pp: 558–559

Improved Infra-Red Polarizer1

A. H. PFUND  »View Author Affiliations

JOSA, Vol. 37, Issue 7, pp. 558-559 (1947)

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The original selenium polarizer has been found to suffer from two defects: (1) the degree of polarization is not sufficiently high, and (2) the necessary dimensions become unwieldy. Both defects are overcome by resorting to two reflections from parallel selenium mirrors. The efficacy of this procedure is proved by a study of the dichroism of beryl. A discussion of selenium mirrors produced by vacuum distillation follows.

A. H. PFUND, "Improved Infra-Red Polarizer1," J. Opt. Soc. Am. 37, 558-559 (1947)

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  1. A. H. Pfund, J. Opt. Soc. Am. 36, 715(A) (1946).
  2. A. H. Pfund, Ap. Jn'l. XXIV, 19 (1906).
  3. H. Rubens, see Schaefer and Matossi, Das Ultrarote Spektrum, Chapter 14 (1930).
  4. Lord Rayleigh, "Polish," Phil. Mag.; see also R. W. Wood, Phys. Optics, second edition, p. 45.
  5. J Koenigsberger, Ann. d. Physik 61, 687 (1897).
  6. A. H. Pfund, Rev. Sci. Inst. 1, 397 (1930). A. H. Pfund, J. Opt. Soc. Am. 23, 375 (1933).

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