Non-imaging optical corner turner

Details Non-imaging optical corner turner Non-imaging optical corner turner

2006-10-24

2006-10-24

Harvey, Minsun C H (Department: 2828)

Optical waveguides

With optical coupler

Particular coupling structure

C372S006000, C372S099000, C385S031000

Reexamination Certificate

active

07127141

ABSTRACT:
The present invention provides a device and method to efficiently turn light from an optical fiber around a corner while avoiding the frustrated-TIR loss that would occur if the fiber were bent. The invention uses non-imaging optics which efficiently deal with beam divergence half-angles less than 90°. By recognizing that most light from a fiber optic source will have a divergence half-angle of less than 90 degrees, a practical solution is achieved using non-imaging optics.

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