Radiation sensitive refractive index changing composition

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 101/00 (2006.01) G02B 3/00 (2006.01) G02B 5/02 (2006.01) G02B 5/18 (2006.01) G02B 6/00 (2006.01) G02B 6/12 (2006.01) G03F 7/00 (2006.01) G03F 7/004 (2006.01) G03F 7/039 (2006.01) G03F 7/075 (2006.01)

Patent

CA 2406219

A radiation-sensitive composition capable of having a refractive index distribution which comprises (A) a decomposable compound, (B) a non- decomposable component containing inorganic oxide particles and (C) a radiation-sensitive decomposing agent; and a method for forming a refractive index pattern or an optical material which comprises irradiating the above composition with a radiation and then treating the resulting product with (D) a stabilizer. The method allows the preparation, with ease and simplicity, of a refractive index pattern or an optical material having a refractive index distribution including satisfactorily great refractive index change and being stable independently of the conditions wherein it is used.

L'invention concerne une composition sensible au rayonnement pouvant présenter une répartition de l'indice de réfraction, laquelle composition comprend (A) un composé décomposable, (B) une composante non décomposable contenant des particules d'oxyde inorganiques et (C) un agent de décomposition sensible au rayonnement, ainsi qu'un procédé de formation d'un motif d'indice de réfraction ou d'un matériau optique, lequel procédé consiste à irradier la composition susmentionnée avec un rayonnement et à traiter le produit résultant avec (D) un stabilisateur. Ce procédé permet la préparation, simple et facile, d'un motif d'indice de réfraction ou d'un matériau optique qui possède une répartition de l'indice de réfraction comprenant un changement d'indice de réfraction suffisamment grand et qui est stable indépendamment des conditions dans lesquelles il est utilisé.

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