(19)

(11)

EP 0 857 314 A1

(12)

(43) Date of publication: 12.08.1998 Bulletin 1998/33 (21) Application number: 96939482.0 (22) Date of filing: 25.10.1996

(51) International Patent Classification (IPC):  G02B 6/ 34( . ) G02B 6/ 12( . ) (86) International application number: PCT/US1996/016819 (87) International publication number: WO 1997/015851 (01.05.1997 Gazette 1997/19)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 27.10.1995 US P 5915 26.08.1996 US A 703357 (71) Applicant: Arroyo Optics Inc. Santa Monica, CA 90404 (US)	(72) Inventors: KEWITSCH, Anthony, S. Hacienda Heights, CA 91745 (US) RAKULJIC, George, A. Santa Monica, CA 90401 (US) YARIV, Amnon San Marino, CA 91108 (US) (74) Representative: Dreiss, Fuhlendorf, Steimle & Becker  Gerokstrasse 6 70188 Stuttgart 70188 Stuttgart (DE)