Patent · US Active

Electrically controlled optical elements and method

US8009349B2 · kind B2 · utility

10Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 16, 2009
Grant dateAug 30, 2011
Priority date—
Expiry dateSep 16, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2203/07
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The effective focal length of an optical system can be electronically controlled using switchable wave plates in conjunction with polarized light.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.