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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 22 — Nov. 15, 2013
  • pp: 4663–4666

Liquid crystal spatial light modulator with very large phase modulation operating in high harmonic orders

Venancio Calero, Pascuala García-Martínez, Jorge Albero, María M. Sánchez-López, and Ignacio Moreno  »View Author Affiliations


Optics Letters, Vol. 38, Issue 22, pp. 4663-4666 (2013)
http://dx.doi.org/10.1364/OL.38.004663


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Abstract

Unusually large phase modulation in a commercial liquid crystal spatial light modulator (LCSLM) is reported. Such a situation is obtained by illuminating with visible light a device designed to operate in the infrared range. The phase modulation range reaches 6π radians in the red region of the visible spectrum and 10π radians in the blue region. Excellent diffraction efficiency in high harmonic orders is demonstrated despite a concomitant and non-negligible Fabry–Perot interference effect. This type of SLM opens the possibility to implement diffractive elements with reduced chromatic dispersion or chromatic control.

© 2013 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(060.5060) Fiber optics and optical communications : Phase modulation
(070.6120) Fourier optics and signal processing : Spatial light modulators

ToC Category:
Optical Devices

History
Original Manuscript: July 31, 2013
Revised Manuscript: October 9, 2013
Manuscript Accepted: October 9, 2013
Published: November 8, 2013

Citation
Venancio Calero, Pascuala García-Martínez, Jorge Albero, María M. Sánchez-López, and Ignacio Moreno, "Liquid crystal spatial light modulator with very large phase modulation operating in high harmonic orders," Opt. Lett. 38, 4663-4666 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-22-4663

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