Patent ID: 6084050
Filing Date: 2000-07-04
Classification: G02B,G02F

Abstract:
A digital thermo-optic switch comprising a polymeric optical splitter and a heating element:wherein said polymeric optical splitter is formed of a polymer obtained by thermosetting a copolymer including the following components ##STR4## wherein R.sub.1 is a deuterated phenyl group or a halogenated phenyl group represented by C.sub.6 X.sub.5 (X denotes deuterium or halogen), Z.sub.1 is a hydroxy group or an alkoxy group represented by OC.sub.m H.sub.2m+1 (m is an integer of 3 or less), R.sub.2 is an alkyl group, a deuterated alkyl group or a halogenated alkyl group represented by C.sub.n Y.sub.2n+1 (Y denotes hydrogen, deuterium or halogen, and n is a positive integer), and Z.sub.2 is a hydroxy group or an alkoxy group represented by OC.sub.m H.sub.2m+1 (m is an integer of 3 or less); andwherein at least Z.sub.1, or Z.sub.2 is the alkoxy group; and having a weight-averaged molecular weight of 10000 or less.