Patent · US Expired

Birefringent optical device

US6594063B1 · kind B1 · utility

3Cited by
38References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 2000
Grant dateJul 15, 2003
Priority date
Expiry dateSep 15, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2203/06
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A polarization independent optical device is provided wherein the device has two optical paths that include one or more birefringent crystals, a electrically controllable rotator, and a fixed waveplate. The device may operate as a switch, attenuator, coupler, or polarization mode dispersion compensator. The device may also include several folded path embodiments, a multifunctional embodiment, and a temperature insensitive embodiment.

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