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Optics Letters

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  • Vol. 18, Iss. 18 — Sep. 15, 1993
  • pp: 1570–1572

All-optical spatial light modulator with surface plasmon resonance

Takayuki Okamoto, Tomoyuki Kamiyama, and Ichirou Yamaguchi  »View Author Affiliations


Optics Letters, Vol. 18, Issue 18, pp. 1570-1572 (1993)
http://dx.doi.org/10.1364/OL.18.001570


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Abstract

An all-optical photoaddressed spatial light modulator has been demonstrated. The device consists of a prism of high refractive index coated with a thin silver film and a dye-doped polymer film. The writing beam photothermally changes the distribution of the refractive index of the dye-doped film. The reading beam, of a different wavelength, which is incident upon the prism near an angle for surface plasmon resonance at the metal–dye-doped-film interface, undergoes modulation on reflection. Both positive and negative modulation is possible when suitable angles of incidence are chosen for the reading beam. We obtained a resolution of 15 line pairs/mm, an ∼10-s rise time, a 2-s fall time.

© 1993 Optical Society of America

History
Original Manuscript: May 12, 1993
Published: September 15, 1993

Citation
Takayuki Okamoto, Tomoyuki Kamiyama, and Ichirou Yamaguchi, "All-optical spatial light modulator with surface plasmon resonance," Opt. Lett. 18, 1570-1572 (1993)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-18-18-1570


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