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Applied Optics

Applied Optics


  • Vol. 29, Iss. 31 — Nov. 1, 1990
  • pp: 4720–4724

Refractive index detector using Zeeman interferometry

Roger G. Johnston and W. Kevin Grace  »View Author Affiliations

Applied Optics, Vol. 29, Issue 31, pp. 4720-4724 (1990)

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We discuss the theory and error analysis for an ultrasensitive refractive index detector based on the two-frequency Zeeman effect laser. Experimental measurements on gases agree fairly well with predictions. With a 5-cm pathlength, the typical interferometry stability is Δn = 8 × 10−9/h. Resolution is Δn = 1 × 10−9.

© 1990 Optical Society of America

Original Manuscript: November 9, 1989
Published: November 1, 1990

Roger G. Johnston and W. Kevin Grace, "Refractive index detector using Zeeman interferometry," Appl. Opt. 29, 4720-4724 (1990)

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  1. D. J. Bornhop, T. G. Nolan, N. J. Dovichi, “Subnanoliter Laser-Based Refractive Index Detector for 0.25-mm I.D. Microbore Liquid Chromatography,” J. Chromatog. 384, 181–187 (1987). [CrossRef]
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