The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2002
Filed:
May. 09, 2000
Yanping Guo, S. S., MD (US);
Other;
Abstract
An electrooptical deflector that overcomes conventional geometry limitations and can deflect an optical beam at high speed with high deflection angle and high resolution. It comprises an array of waveguide optical channels having an electrooptical layer sandwiched between a bottom and a top electrodes. Either the top electrode further comprises two sets of prism-shaped electrodes; or, the electrooptical layer further comprises two sets of prism-shaped spontaneous polarization domain regions. Linear phase differences are induced among a group of sub-light beams travelling in the individual optical channels. After leaving the individual optical channels, the sub-light beams are merged and the merged light beam is deflected along a direction depending on a voltage or a pair of voltages applied between the top and bottom electrodes. The optical defector requires one or a pair of low driving voltage(s) with a simple driving scheme. It is suitable for many important applications, such as optical switching, high quality retinal display in potable computer, video and virtual reality devices, optical processing, pattern recognition, laser printing and bar code scanning.