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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 28, Iss. 9 — May. 1, 1989
  • pp: 1714–1719

Wedge shaped cell for highly absorbent liquids: infrared optical constants of water

David M. Wieliczka, Shengshan Weng, and Marvin R. Querry  »View Author Affiliations


Applied Optics, Vol. 28, Issue 9, pp. 1714-1719 (1989)
http://dx.doi.org/10.1364/AO.28.001714


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Abstract

We designed an improved wedge shaped cell for measuring Lambert absorption coefficient spectra α(ν) of highly absorbent liquids. The design allows for accurate determination of the apex angle of the wedge, sealing the cell, and injection of the liquid without disassembling the cell. We measured α(ν) for water through the 500–12,500-cm−1 wavenumber region to determine the range of α(ν) for which the cell provided accurate measurements. We then determined the imaginary part of the complex refractive index N(ν) = n(ν) + ik(ν) from α(ν) and used Kramers-Kronig methods to compute n(ν) from k(ν).

© 1989 Optical Society of America

History
Original Manuscript: April 25, 1988
Published: May 1, 1989

Citation
David M. Wieliczka, Shengshan Weng, and Marvin R. Querry, "Wedge shaped cell for highly absorbent liquids: infrared optical constants of water," Appl. Opt. 28, 1714-1719 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-9-1714

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