Channelled spectrum liquid refractometer

S. Taplin, A.G. Podoleanu, David J. Webb, David A. Jackson

Research output: Contribution to journalArticle

Abstract

We describe an experimental demonstration of a novel technique for liquid refractometry. A channeled spectrum is produced from an optical beam generated by a diode laser operating below threshold by intercepting half of the beam with a liquid cell. The spectrum is analyzed using a grating and a linear CCD array and provides information on the refractive index of the liquid. The experimental results show that accuracies of better than 0.3% in the index may be obtained with the present method.
Original languageEnglish
Pages (from-to)3028-3029
Number of pages2
JournalReview of scientific instruments
Volume64
Issue number10
DOIs
Publication statusPublished - Oct 1993

Bibliographical note

Copyright 1993 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Taplin, S.; Podoleanu, A.Gh.; Webb, D.J. and Jackson, D.A. (1993). Channelled spectrum liquid refractometer. Review of Scientific Instruments, 64 (10), pp. 3028-3029. and may be found at http://rsi.aip.org/resource/1/rsinak/v64/i10/p3028_s1.

Keywords

  • liquid refractometry
  • channeled spectrum
  • optical beam
  • diode laser
  • threshold
  • refractive index

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