Optical antenna and wireless optical system using the same

Details Optical antenna and wireless optical system using the same Optical antenna and wireless optical system using the same

2007-12-18

2007-12-18

Font, Frank G. (Department: 2883)

Optical waveguides

Miscellaneous

C398S212000, C359S652000, C359S653000, C359S742000, C250S216000, C250S227110

Reexamination Certificate

active

10894937

ABSTRACT:
A light concentrator for an optical antenna gradually narrows from the light receiving end to the end in contact with a light detector, and has a refractive index that gradually increases from the first to the second end, to afford a greater acceptance angle for the incoming optical signal. The increase may occur in stages of corresponding layers of the light concentrator, the layers being arranged in order of increase in refractive index from the first end to the second end.

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X. Ning et al.; “Dielectric Totally Internally Reflecting Concentrators;” Applied Optics, Optical Society of America, Washington; Jan. 15, 1987; XP 00212726; 6 pgs.

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