EP 1540315 A1 20050615 - OPTICAL WAVEGUIDE INTERFEROMETER COMPRISING A LAMINATE STRUCTURE WITH A FIRST PLANAR WAVEGUIDE MONOLAYER AND A SECOND SANDWICH LAYER

Title (en)

OPTICAL WAVEGUIDE INTERFEROMETER COMPRISING A LAMINATE STRUCTURE WITH A FIRST PLANAR WAVEGUIDE MONOLAYER AND A SECOND SANDWICH LAYER

Title (de)

OPTISCHER WELLENLEITERINTERFEROMETER IN MEHRSCHICHTSTRUKTURFORM MIT EINER ERSTENPLANEN WELLENLEITERMONOLAGENSCHICHT UND EINER ZWEITEN SANDWICH-SCHICHT

Title (fr)

INTERFEROMETRE A GUIDE D'ONDE OPTIQUE COMPORTANT UNE STRUCTURE STRATIFIEE CONSTITUEE D'UNE PREMIERE MONOCOUCHE A GUIDE D'ONDE PLANAIRE ET D'UNE SECONDE COUCHE SANDWICH

Publication

EP 1540315 A1 20050615 (EN)

Application

EP 03790990 A 20030221

Priority

GB 0300734 W 20030221
GB 0220058 A 20020829

Abstract (en)

[origin: WO2004020987A1] The present invention relates to an optical waveguide interferometer comprising a laminate structure with a monolayer constituting a first planar waveguide (2) and a sandwich layer constituting a second planar waveguide (4), wherein the laminate structure is integrated with a lowermost substrate (5) and comprises the second planar waveguide (4) located above and spaced apart from the first planar waveguide (2) by a spacer monolayer (3). The sandwich layer (4) comprises a first layer (4a) exhibiting a first refractive index spaced apart from a second layer (4c) exhibiting a second refractive index by a spacer (4b), wherein the refractive index of the spacer (4b) is less than that of the first refractive index and of the second refractive index.

IPC 1-7

G01N 21/77; G01N 21/45; G02B 6/12

IPC 8 full level

G01B 9/02 (2006.01); G01M 11/00 (2006.01); G01N 21/45 (2006.01); G01N 21/77 (2006.01); G02B 6/12 (2006.01); G02B 6/125 (2006.01)

CPC (source: EP)

G01M 11/331 (2013.01); G01N 21/45 (2013.01); G01N 21/7703 (2013.01); G02B 6/12002 (2013.01); G02B 6/12007 (2013.01); G02B 6/125 (2013.01); G01N 2021/7779 (2013.01); G02B 2006/12159 (2013.01)

Citation (search report)

See references of WO 2004020987A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR

DOCDB simple family (publication)

WO 2004020987 A1 20040311; AU 2003215719 A1 20040319; EP 1540315 A1 20050615; GB 0220058 D0 20021009

DOCDB simple family (application)

GB 0300734 W 20030221; AU 2003215719 A 20030221; EP 03790990 A 20030221; GB 0220058 A 20020829