METHOD FOR FORMING PHOTO-INDUCED BRAGG LATTICE

In accordance with the invention, the index of refraction of a region (26) of a glass body (22) is selectively increased by treating the material with hydrogen and then simultaneously applying heat and actinic radiation to the region. Preferably the body is heated to a temperature in excess of 150 D...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	UIRIAMU ARUFURETSUDO RIIDO, POORU JIYOSEFU REMAIAA, ASHISHIYU MADOHATSUKAA BENGUSAAKAA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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