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OPTICAL SHUTTER BASED ON SUB-WAVELENGTH GRATINGS ACTUATED BY MICROELECTROMECHANICAL SYSTEMS

United States Patent Application

20160033755
A1
View the Complete Application at the US Patent & Trademark Office
Methods and systems for control of electromagnetic waves are disclosed. An optical shutter includes a sub-wavelength grating. Each beam of the grating can be controlled by electrostatic or mechanical forces in order to increase or decrease the gap between each beam. Electrostatic or acoustic control of the grating allows an optical shutter to switch on and off.
HORIE, Yu (Pasadena, CA), ARBABI, Amir (Pasadena, CA), FARAON, Andrei (La Canada Flintridge, CA)
14/ 814,425
July 30, 2015
STATEMENT OF INTEREST [0002] This invention was made with government support under DE-SC0001293/T-107196 awarded by the Department of Energy. The government has certain rights in the invention. The invention described herein was made in the performance of work under a NASA contract, and is subject to the provisions of Public Law 96-517 (35 USC 202) in which the Contractor has elected to retain title.