Patent · US Active

Modulating the intensity of light from an interferometric reflector

US8115987B2 · kind B2 · utility

4Cited by
163References
45Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 2007
Grant dateFeb 14, 2012
Priority date
Expiry dateOct 20, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B26/005
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optical device for modulating the intensity of light from an interferometric reflector. In one embodiment, the optical device can include an optical stack having a reflective layer and a partially reflective, partially transmissive layer for reflecting light. The optical device can also include a fluid cell comprising an absorptive fluid and a transmissive fluid. The optical device can also include a mechanism for controlling the portion of the reflector which is shadowed by the absorptive fluid.

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