Slow-light sensor utilizing an optical filter and a narrowband optical source

US9366808B2 · kind B2 · utility

Assignee

• The Board of Trustees of the Leland Stanford Junior University · US

Inventors

• Michel J. F. Digonnet · Palo Alto, US
• Shanhui Fan · Stanford, US
• He Wen · Taipei, TW
• Matthew A. Terrel · Campbell, US

Key dates

• Filing date: May 28, 2014
• Grant date: Jun 14, 2016
• Expiry date: May 28, 2034

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B6/29353
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

An optical device and a method of using an optical filter are provided. The optical device includes an optical filter and a narrowband optical source. The optical filter has a refractive index that varies along a length of the optical filter. The narrowband optical source is in optical communication with the optical filter and is configured to generate light having a wavelength at or in the vicinity of at least one of a wavelength corresponding to a local transmission maximum and a wavelength corresponding to a maximum slop of the group index spectrum of the optical filter.