G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/03 (2006.01) G02B 6/35 (2006.01) G02F 1/31 (2006.01) H04L 12/56 (2006.01) H04Q 11/00 (2006.01) G02B 6/32 (2006.01)
Patent
CA 2339466
Total internal reflection (TIR) is a well-known phenomenon/property of interaction between light wave and the interface formed by two types of optical materials. This feature has found many applications in optical engineering. As the reflective index of one material is changed through a controlled approach, the TIR condition may not be maintained and the light propagation path will be changed from a TIR manner to a transmission manner, or vice verse. This allows an optical switch to be built. There are a number of different ways to alert the reflective index of the materials under consideration. In this invention, a unique combination of process and method for electro- optic material manipulation and control is used to generate a structure for alerting the reflective index of one material, which forms an interface, or multiple interfaces to function as controllable TIR interfaces. This leads to a novel solution of TIR based optical switch design. Such a switch can operate over a wide range of spectrum. A properly designed optical switch based on this invention also operates independently from wavelengths and polarization of the incident light.
Accelight Networks Canada Inc.
Fasken Martineau Dumoulin Llp
Zhang Jingyn
LandOfFree
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