Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Panasonic Electric Works Co., Ltd.

Laser Zentrum Hannover E.v.

Lothar Froehlich

Michael Popall

Ruth Houbertz-Krauss

Jochen Schulz

Sebastien Cochet

Takao Hayashi

Naoyuki Kondo

Ruth Houbertz

Boris Chichkov

Jesper Serbin

The present invention relates to condensation products of silicic acid derivatives usable especially in optical waveguides and particularly to a condensation product obtained by condensing a silane diol compound (A) of the general formula (1): RSi(OR)(1) wherein Rrepresents a group having at least one aromatic group and having 6 to 20 carbon atoms, and Rrepresents hydrogen (H which may also be a heavy hydrogen D), with a modified silane compound (B) of the general formula (2): RSi(OR)(2) wherein Rrepresents an organic group having at least one C&#x2550;C double bond; and Rrepresents a group of CH(n=a number of 1 or 2), in the molar ratio 1.1 to 1.4:1 [(A):(B)], and to a process for producing the same condensation product, as well as to an optical waveguide device fabricated using the same condensation product.

Condensation products of silicic acid derivatives and optical waveguide devices using the same

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Marktrodach, Germany

Lothar Froehlich