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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 59, Iss. 9 — Sep. 1, 1969
  • pp: 1218–1224

Spectral Emissivity of the 3.3-u¸ Band of Methane at Elevated Temperatures

A. GOLDMAN, E. FINKMAN, and AND U. P. OPPENHEIM  »View Author Affiliations


JOSA, Vol. 59, Issue 9, pp. 1218-1224 (1969)
http://dx.doi.org/10.1364/JOSA.59.001218


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Abstract

The spectral emissivity of the v3 band of methane was measured at temperatures of 297, 673, and 923 K. Use was made of absorption cells of various lengths in order to obtain curves of growth. Application of the Goody statistical band model to small frequency intervals within the band allowed the spectral band parameters to be obtained at the above-mentioned temperatures. The spectral absorption coefficient was found by two independent methods: by multiplication of the spectral-band parameters and by direct observation of the transmittance in the linear region. The integrated band intensity was also derived as a function of temperature up to 923 K.

Citation
A. GOLDMAN, E. FINKMAN, and AND U. P. OPPENHEIM, "Spectral Emissivity of the 3.3-u¸ Band of Methane at Elevated Temperatures," J. Opt. Soc. Am. 59, 1218-1224 (1969)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-59-9-1218


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