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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 5 — Feb. 10, 2011
  • pp: 648–654

Approach to high-frequency, cavity-enhanced Faraday rotation in fluids

D. Pagliero, Y. Li, S. Fisher, and C. A. Meriles  »View Author Affiliations

Applied Optics, Vol. 50, Issue 5, pp. 648-654 (2011)

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Recent work demonstrating detection of nuclear spin magnetization via Faraday rotation in transparent fluids promises novel opportunities for magnetic resonance imaging and spectroscopy. Unfortunately, low sensitivity is a serious concern. With this motivation in mind, we explore the use of an optical cavity to augment the Faraday rotation experienced by a linearly polarized beam traversing a sample fluid. Relying on a setup that affords reduced sample size and high-frequency modulation, we demonstrate amplification of regular (i.e., nonnuclear) Faraday rotation of order 20. Extensions of the present methodology that take into account the geometric constraints imposed by a high-field magnet may open the way to high-sensitivity, optically-detected magnetic resonance in the liquid state.

© 2011 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(230.2240) Optical devices : Faraday effect
(230.3810) Optical devices : Magneto-optic systems

ToC Category:

Original Manuscript: November 17, 2010
Revised Manuscript: December 16, 2010
Manuscript Accepted: December 17, 2010
Published: February 3, 2011

D. Pagliero, Y. Li, S. Fisher, and C. A. Meriles, "Approach to high-frequency, cavity-enhanced Faraday rotation in fluids," Appl. Opt. 50, 648-654 (2011)

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