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Applied Optics

Applied Optics


  • Vol. 12, Iss. 8 — Aug. 1, 1973
  • pp: 1828–1830

Thermooptical Technique for the Measurement of Absorption Loss Spectrum in Liquids

J. Stone  »View Author Affiliations

Applied Optics, Vol. 12, Issue 8, pp. 1828-1830 (1973)

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A thermooptical technique is described for measuring the absorptivity spectrum of liquids using incoherent light. This technique is an extension of one previously used to measure absorptivity using coherent light, which was therefore limited to specific laser wavelengths. Absorptivities as small as 2 × 10−5 cm−1 have been measured with 2–3 mW of optical power. The absorptivity spectrum of chlorobenzene is characterized by lines due to overtones of C-H vibration in the infrared with low loss valleys in between. Measurements of carbon tetrachloride showed no measurable absorptivity (i.e., less than 2 × 10−5 cm−1) between 5600 Å and 10,600 Å.

© 1973 Optical Society of America

Original Manuscript: February 8, 1973
Published: August 1, 1973

J. Stone, "Thermooptical Technique for the Measurement of Absorption Loss Spectrum in Liquids," Appl. Opt. 12, 1828-1830 (1973)

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  1. J. Stone, J. Opt. Soc. Am. 62, 327 (1972). [CrossRef]
  2. K. C. Kao, T. W. Davies, J. Sci. Instrum. 1, 1063 (1968). [CrossRef] [PubMed]
  3. P. J. R. Laybourn, W. A. Gambling, D. T. Jones, Opto-Electron. 3, 137 (1971). [CrossRef]
  4. H. N. Daglish, J. C. North, New Scientist 49, 14 (1970).
  5. J. Stone, IEEE J. Quantum Electron. QE-8, 386 (1972). [CrossRef]

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