Nonlinear optical properties of copolyesters containing azobenzene functionality and chiral groups

D. Bahulayan; Vinoy Thomas; K. Sreekumar

doi:10.1117/12.305577

16 April 1998 Nonlinear optical properties of copolyesters containing azobenzene functionality and chiral groups

D. Bahulayan, Vinoy Thomas, K. Sreekumar

Proceedings Volume 3321, 1996 Symposium on Smart Materials, Structures, and MEMS; (1998) https://doi.org/10.1117/12.305577
Event: Smart Materials, Structures and MEMS, 1996, Bangalore, India

Abstract

The synthesis and characterization of a series of new copolyesters containing azo mesogenic groups and chiral building blocks are reported. The polyesters were prepared by the condensation of bis(4-hydroxyphenyl)azo 2,2'- dinitro(3,5,3',5'-tetramethyl)diphenylmethane, terephthaloyl chloride and 1,4;3,6-dianhydro-D-sorbitol. The polysters showed higher thermal and photochemical stability with high values of glass transition temperature. DSC studies showed liquid crystalline behavior over a wide range. High values of second order nonlinear susceptibilities were recorded as a function of the molar proportion of isosorbide units.

Citation Download Citation

D. Bahulayan, Vinoy Thomas, and K. Sreekumar "Nonlinear optical properties of copolyesters containing azobenzene functionality and chiral groups", Proc. SPIE 3321, 1996 Symposium on Smart Materials, Structures, and MEMS, (16 April 1998); https://doi.org/10.1117/12.305577

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