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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 16 — Jun. 1, 2006
  • pp: 3721–3727

In situ optical control and stabilization of the curing process of holographic gratings with a nematic film–polymer-slice sequence structure

Luciano De Sio, Roberto Caputo, Antonio De Luca, Alessandro Veltri, Cesare Umeton, and Andrey V. Sukhov  »View Author Affiliations


Applied Optics, Vol. 45, Issue 16, pp. 3721-3727 (2006)
http://dx.doi.org/10.1364/AO.45.003721


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Abstract

We report on the realization of what we believe to be a new holographic setup for the fabrication of polymer liquid-crystal polymer-slice diffraction gratings, which utilizes an optical-feedback-driven nanopositioning technique. We have increased the stability of the interference pattern by means of a simple piezomirror used in a feedback configuration to keep constant the phase of the interferometer. The feedback system is driven by a proportional, integral, derivative control software, and the stability degree is controlled by the reference signal coming from a standard test grating. A preliminary experimental characterization indicates that good control and stabilization of parasitic fluctuations of the interference pattern are obtained.

© 2006 Optical Society of America

OCIS Codes
(090.2880) Holography : Holographic interferometry
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(230.1950) Optical devices : Diffraction gratings

History
Original Manuscript: April 19, 2005
Revised Manuscript: July 8, 2005
Manuscript Accepted: July 22, 2005

Citation
Luciano De Sio, Roberto Caputo, Antonio De Luca, Alessandro Veltri, Cesare Umeton, and Andrey V. Sukhov, "In situ optical control and stabilization of the curing process of holographic gratings with a nematic film-polymer-slice sequence structure," Appl. Opt. 45, 3721-3727 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-16-3721

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