Patent · US Expired

Graded thin film wedge interference filter and method of use for laser tuning

US6717965B2 · kind B2 · utility

29Cited by
6References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 2001
Grant dateApr 6, 2004
Priority date
Expiry dateJul 6, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/06804
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A laser employing a tapered, thin film interference filter as a tuning element. Tapered, thin film interference filters employing dielectric layers are disclosed for use in tuning lasers. Methods of tuning a laser by adjustably positioning a tapered thin film interference filter are disclosed. Also included are a method for tuning a laser to account for thermal wavelength drift, a method of mounting an etalon in a substantially stress free manner, and a mount therefor.

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