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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 38, Iss. 12 — Dec. 1, 1948
  • pp: 1086–1089

An Infra-Red Chopped-Radiation Analyzer

GILBERT KIVENSON, RALPH T. STEINBACK, and MYRTLE RIDER  »View Author Affiliations


JOSA, Vol. 38, Issue 12, pp. 1086-1089 (1948)
http://dx.doi.org/10.1364/JOSA.38.001086


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Abstract

A design is presented for a double-beam infra-red analyzer that utilizes the chopped-light principle. The advantages of this instrument are low rate of drift at high sensitivities, freedom from the effects of ambient temperatures, and general ruggedness, all of which make the system adaptable to plant analytical and control problems. The receiving system consists of a thermistor bolometer and tuned amplifier. Performance data are given for the butadiene recycle impurity system of a GR-S synthetic rubber plant stream.

Citation
GILBERT KIVENSON, RALPH T. STEINBACK, and MYRTLE RIDER, "An Infra-Red Chopped-Radiation Analyzer," J. Opt. Soc. Am. 38, 1086-1089 (1948)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-38-12-1086


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References

  1. H. Schmick, U. S. Patent No. 1,758,088.
  2. N. Wright, and L. W. Hercher, J. Opt. Soc. Am. 36, 198 (1946).
  3. W. G. Fastie and A. H. Pfund, J. Opt. Soc. Am. 37, 762 (1947).
  4. National Bureau of Standards Report No. 46–06–09, June 14, 1946.
  5. C. E. Mendenhall, Astrophys. J. 33, 91 (1911).
  6. A. G. Worthing, Phys. Rev. 25, 846 (1925).
  7. W. H. Brattain and J. A. Becker, "Thermistor bolometers," presented at the Winter Meeting of the Optical Society of America, March 7–9, 1946, Cleveland, Ohio.
  8. L. W. Gildart, "An investigation of the comparative merits of the Thermistor-a.c. amplifier system and the thermocouple-galvanometer system," Final report submitted by E. F. Barker, Technical Representative, N.D.R.C. Contract OEMsr-1132, University of Michigan, Ann Arbor, Michigan—PB 27342.

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