Organopolysiloxanes exhibiting nonlinear response

Claim 2

A nonlinear optical film medium consisting of a noncentrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR25## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; n is an integer of at least 5; and Z' is an electron-donating or electron-withdrawing substituent.

Claim 3

A nonlinear optical medium in accordance with claim 1 wherein the medium exhibits second order nonlinear optical response.

Claim 4

A nonlinear optical medium in accordance with claim 1 wherein the medium exhibits third order nonlinear optical response.

Claim 5

A nonlinear optical medium in accordance with claim 1 wherein the noncentrosymmetric configuration of molecules is external field-induced.

Claim 6

A nonlinear optical film medium consisting of a noncentrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR26## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; X' is a C 1 -C 30 alkyl, alkoxy or alkylthio substituent, Y' is a substituent selected from nitro, cyano and trifluoromethyl groups; and the polymer contains between about 5-2000 silicon atoms.

Claim 7

A nonlinear optical film medium consisting of a noncentrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR26## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; X' is a C 1 -C 30 alkyl, alkoxy or alkylthio substituent, Y' is a substituent selected from nitro, cyano and trifluoromethyl groups; and the polymer contains between about 5-2000 silicon atoms.

Claim 8

A nonlinear optical film medium consisting of a noncentrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR27## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; R 2 and R 3 are selected from hydrogen and C 1 -C 30 alkyl groups, and R 2 and R 3 taken with the connecting nitrogen atom form a heterocyclic substituent; Y' is a substituent selected from nitro, cyano and trifluoromethyl groups; and the polymer contains between about 5-2000 silicon atoms.

Claim 9

A nonlinear optical film medium consisting of a noncentrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR27## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; R 2 and R 3 are selected from hydrogen and C 1 -C 30 alkyl groups, and R 2 and R 3 taken with the connecting nitrogen atom form a heterocyclic substituent; Y' is a substituent selected from nitro, cyano and trifluoromethyl groups; and the polymer contains between about 5-2000 silicon atoms.

Claim 10

A nonlinear optical film medium consisting of a centrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR28## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; n is an integer of at least 5; and Z' is an electron-donating or electron-withdrawing substituent.

Claim 11

A nonlinear optical film medium consisting of a centrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR28## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; n is an integer of at least 5; and Z' is an electron-donating or electron-withdrawing substituent.

Claim 12

A nonlinear optical medium in accordance with claim 7 wherein the medium exhibits third order nonlinear optical response.

Claim 13

A nonlinear optical medium in accordance with claim 7 wherein the centrosymmetric confirguration of polymer molecules is external field-induced.

Claim 14

A nonlinear optical film medium consisting of a centrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR29## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; X' is a C 1 -C 30 alkyl, alkoxy or alkylthio substituent; Y' is a substituent selected from nitro, cyano and trifluoromethyl groups; and the polymer contains between about 5-2000 silicon atoms.

Claim 15

A nonlinear optical film medium consisting of a centrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR29## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; X' is a C 1 -C 30 alkyl, alkoxy or alkylthio substituent; Y' is a substituent selected from nitro, cyano and trifluoromethyl groups; and the polymer contains between about 5-2000 silicon atoms.

Claim 16

A nonlinear optical film medium consisting of a centrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR30## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; R 2 and R 3 are selected from hydrogen and C 1 -C 30 alkyl groups, and R 2 and R 3 taken with the connecting nitrogen atom form a heterocyclic substituent; Y' is a substituent selected from nitro, cyano and trifluoromethyl groups; and the polymer contains between about 5-2000 silicon atoms.

Claim 17

A nonlinear optical film medium consisting of a centrosymmetric configuration of polymer molecules characterized by a recurring structural unit corresponding to the formula: ##STR30## where R 1 is a hydrocarbyl substituent containing between about 1-12 carbon atoms; R 2 and R 3 are selected from hydrogen and C 1 -C 30 alkyl groups, and R 2 and R 3 taken with the connecting nitrogen atom form a heterocyclic substituent; Y' is a substituent selected from nitro, cyano and trifluoromethyl groups; and the polymer contains between about 5-2000 silicon atoms.