G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/00 (2006.01) G02B 6/032 (2006.01)
Patent
CA 2231795
A hollow light guide with opposed first and second sections having parallel directions of translational symmetry and confocal, parabolic cross-sectional shape. The light guide may be a prism light guide, or other hollow light guide such as a metallic mirror light guide or a multi-layer dielectric light guide. The cross- sectional shapes have vertices separated by a distance which does not exceed about three times (preferably, about 2.5 times) the focal length of the shapes.
Cette invention concerne un guide de lumière creux comportant une première et une seconde parties parallèles opposées ayant une forme confocale de section parabolique. Ce guide de lumière peut se présenter comme un guide prismatique ou comme tout autre guide creux tel qu'un guide de lumière à miroir métallique, ou encore un guide de lumière diélectrique à couches multiples. Les formes des sections possèdent des sommets séparés par une distance ne dépassant pas trois fois (et de préférence, environ 2,5 fois) la distance focale desdites formes.
Oyen Wiggs Green & Mutala Llp
The University Of British Columbia
LandOfFree
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