Light modulation device

Details Light modulation device Light modulation device

2006-06-12

2009-06-09

Spector, David N (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S237000, C359S260000

Reexamination Certificate

active

07545549

ABSTRACT:
A first reflecting body, which has semi-transmissive semi-reflective characteristics, a light transmissive fine hole body having a plurality of fine holes, which are adapted to be filled with a light transmissive substance and have diameters sufficiently smaller than wavelengths of incident light, and a second reflecting body, which has perfect reflective characteristics or semi-transmissive semi-reflective characteristics, are located in this order from a light incidence side. Absorption characteristics for absorbing light having a specific wavelength are exhibited in accordance with a mean complex index of refraction of the first reflecting body, the mean complex index of refraction of the second reflecting body, and the mean complex index of refraction and a thickness of the light transmissive fine hole body. The incident light is modulated due to the absorption characteristics, and modulated light is radiated out from the first reflecting body and/or the second reflecting body.

REFERENCES:
patent: 7292222 (2007-11-01), Ahn et al.
patent: 7365895 (2008-04-01), Tomaru
patent: 7403292 (2008-07-01), Tomaru
patent: 7477442 (2009-01-01), Iwamatsu et al.
patent: 2001-174719 (2001-06-01), None
patent: WO 2002/082042 (2002-10-01), None

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