Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1990-10-31
1993-03-09
Hille, Rolf
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359297, G02F 103, G02F 2600
Patent
active
051930242
ABSTRACT:
Apparatus and methods for modulating light involving the formation of bubbles in a normally opaque dye solution contained within a cell. The bubbles are created in the dye solution by focusing a beam from a laser in regions of the dye solution thereby vaporizing a solvent in the solution. When the bubble is formed, the modulator becomes substantially transparent in the region of the bubble. If the focused laser beam is turned off, the bubble condenses and the modulator again becomes opaque in the region of the condensed bubble.
REFERENCES:
patent: 3664726 (1969-10-01), Mattis
patent: 3951520 (1976-04-01), Waring, Jr.
patent: 4148563 (1979-04-01), Herbert
patent: 4260225 (1981-04-01), Walles
patent: 4536061 (1985-08-01), Nishimura
patent: 4900135 (1990-02-01), Yuasa et al.
Hohman, Jr. James L.
Laganis Evan D.
Lawton John A.
E. I. Du Pont de Nemours and Company
Hille Rolf
Limanek Robert
Magee Thomas H.
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