G - Physics – 02 – B
Patent
G - Physics
02
B
333/104
G02B 26/02 (2006.01) G02B 6/124 (2006.01) G02B 26/08 (2006.01) G02F 1/065 (2006.01) H01P 3/00 (2006.01)
Patent
CA 1159916
CONTROLLABLY DEFORMED ELASTIC WAVEGUIDE ELEMENTS Abstract An elastic two dimensionally guiding waveguide is controllably stretched between two or more different configurations, the different configurations being such that wave energy takes different paths through the waveguide at each of the two or more different configurations. The paths are different because wave energy which propagates along and between two parallel boundary surfaces or which follows a surface travels along a geodesic path and the geodesic path can be changed by stretchably deforming the surface shape in a suitable manner. In one embodiment an optically transparent sheet of rubber-like material is stretched into a depression or hole within a substrate using controlled pneumatic forces. Many different active functions may be implemented using this principle, including switching, variable focussing, modulation, scanning and deflection. Y0979-0844
366021
International Business Machines Corporation
Rosen Arnold
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