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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 1 — Jan. 1, 2008
  • pp: 1–3

Near-field amplitude and phase measurements using heterodyne optical feedback on solid-state lasers

Hervé Gilles, Sylvain Girard, Mathieu Laroche, and Ali Belarouci  »View Author Affiliations


Optics Letters, Vol. 33, Issue 1, pp. 1-3 (2008)
http://dx.doi.org/10.1364/OL.33.000001


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Abstract

Heterodyne optical feedback on a solid-state laser is experimentally investigated as an efficient tool to characterize coherently near-field evanescent waves. A well-known topography of evanescent field is obtained via a total internal reflection of the light beam emitted by a class B Yb : Er glass laser. A subwavelength size optical fiber tip is scanned to locally probe the resulting evanescent wave in the near field. After a frequency shifting using a pair of acousto-optic modulators, the collected light is optically reinjected to excite the relaxation oscillations of the laser. The resulting dynamical response simultaneously allows very sensitive measurements of the amplitude and the phase of the evanescent wave. Extension of these preliminary results to near-field optical microscopy is suggested and discussed.

© 2008 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.3580) Lasers and laser optics : Lasers, solid-state
(180.5810) Microscopy : Scanning microscopy
(240.6690) Optics at surfaces : Surface waves
(260.6970) Physical optics : Total internal reflection

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: September 18, 2007
Revised Manuscript: November 5, 2007
Manuscript Accepted: November 14, 2007
Published: December 18, 2007

Virtual Issues
Vol. 3, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Hervé Gilles, Sylvain Girard, Mathieu Laroche, and Ali Belarouci, "Near-field amplitude and phase measurements using heterodyne optical feedback on solid-state lasers," Opt. Lett. 33, 1-3 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-1-1

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