Non-imaging concentrating optic design with modulator

Details Non-imaging concentrating optic design with modulator Non-imaging concentrating optic design with modulator

2006-03-28

2010-06-01

Choi, William C (Department: 2873)

Optical: systems and elements

Optical modulator

C359S223100, C359S900000

Reexamination Certificate

active

07729032

ABSTRACT:
In one embodiment the invention provides a device for modulating light. The device includes a non-imaging concentrating optic having a body with a first end through which light enters the body and a second end through which light leaves the body; and a shutter component which can be selectively aligned with the second end in one of several operative positions wherein in at least one operative position, the shutter component is sufficiently close to the second end of the body to be within the wavelength of an evanescent wave generated at a surface of the body at the second end when total internal reflection occurs at the surface.

REFERENCES:
patent: 6671452 (2003-12-01), Winston et al.
patent: 7006306 (2006-02-01), Falicoff et al.

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