Patent · US Active

Mirror with dielectric coating

US9297936B2 · kind B2 · utility

3Cited by
1References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2012
Grant dateMar 29, 2016
Priority date
Expiry dateNov 27, 2032

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B5/284
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A mirror with a dielectric coating (2) on a substrate (3), wherein the dielectric coating (2) has exactly two layer stacks (4, 5), a first layer stack (4), on the substrate, of layers (41, 42) of high refractive index and low refractive index oxides in alternating arrangement and a second layer stack (5), arranged thereon, of layers of fluorides (52) and oxides (51) in alternating arrangement, and wherein the number of fluoride layers (52) as a proportion of the total number of layers of the dielectric coating (2) is less than 0.45.

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