Patent · US Expired

Selectively dispersive optical waveguide films

US4606602A · kind A · utility

6Cited by

9References

18Claims

0Family size

Assignee

Ant Nachrichtentechnik GmbH · DE

Inventors

Hans Unger · Weinheim, DE
Jörn Jacob · Wolfach, DE

Key dates

Filing date	Dec 1, 1982
Grant date	Aug 19, 1986
Priority date	—
Expiry date	Dec 1, 2002

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/122
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Planar waveguide film structure for an integrated optical system, composed of: a carrier substrate having a first index of refraction n.sub.s ; a film having a selected thickness D and a second index of refraction n.sub.F greater than the first index of refraction applied onto the substrate for substantially guiding light waves; and a localized optically effective coating applied to the film, the coating having an index of refraction n.sub.A and a thickness d such that the following conditions apply: EQU 0.05 D<d<1.00 D EQU n.sub.S <n.sub.F <n.sub.A.

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