Polymer material of thermo-optical effect for a bistable...

Details Polymer material of thermo-optical effect for a bistable... Polymer material of thermo-optical effect for a bistable...

G - Physics

02

F

G02F 3/02 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2043830

CASE 3267 POLYMER MATERIAL OF THERMO-OPTICAL EFFECT FOR A BISTABLE OPTICAL DEVICE. ABSTRACT The present invention provides a bistable optical device in which the active medium is a polymer material of thermo-optical effect inserted into a cavity resonator, preferably a FABRY-PEROT resonance cavity, in said cavity the polymer material transmitting and reflecting an incident light wave with bistable values and values variable according to its thermal state. This latter is varied by the absorption of a fraction of the incident light wave, which transfers heat to the polymer material to generate therein an increase in the transmission of the incident light and a variable refractive index in response to the increase in its temperature, to thus provide a positive response effect which enables the device of the present invention to vary between two bistable states.

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