Patent · US Expired

Thermally tuned filter having a pre-stressed membrane

US7081981B2 · kind B2 · utility

3Cited by
0References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 11, 2005
Grant dateJul 25, 2006
Priority date
Expiry dateOct 11, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/02446
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A thermally tuned filter comprising an optical tuning device and a pre-stressed membrane positioned on the optical tuning device. A tensile prestress of the pre-stressed membrane to increase a natural frequency of the thermally tuned filter.

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