Third-order optical nonlinear response of new epoxy-based linear polymer

Oleg M. Buryn; A. S. Kutzenko; Vladyslav I. Volkov; Anatoly A. Borshch; Michail S. Brodyn; Sergei M. Maloletov

doi:10.1117/12.242131

10 June 1996 Third-order optical nonlinear response of new epoxy-based linear polymer

Oleg M. Buryn, A. S. Kutzenko, Vladyslav I. Volkov, Anatoly A. Borshch, Michail S. Brodyn, Sergei M. Maloletov

Proceedings Volume 2801, Nonlinear Optics of Low-Dimensional Structures and New Materials; (1996) https://doi.org/10.1117/12.242131
Event: International Conference on Coherent and Nonlinear Optics, 1995, St. Petersburg, Russian Federation

Abstract

Nonlinear refraction of a new polymer structure based upon diglycidylether of bisphenol-A has been studied. The polymer contains 4-aminoazobensen as nonlinear optically active side groups covalently attached to each monomer unit. Thin dynamic grating writing and relaxation processes have been studied using frequency doubled YAG:Nd⁺³ laser ((lambda) equals 0.53 micrometers ). The dynamics of transient gratings was shown to have two different erasure times corresponding two different nonlinearity mechanisms fast one (relaxation time (3) equals 5 (DOT) 10^-8 esu) and slow one (quasi-stationary). The later makes it possible to write and erase phase gratings reversibly by ns pulses. An analysis of possible mechanisms for refractive index nonlinear behavior in new structures is presented. In particular, a role of TRANS-CIS photoisomerization of the azo-compound in nonlinear optical properties of the structure are discussed.

Citation Download Citation

Oleg M. Buryn, A. S. Kutzenko, Vladyslav I. Volkov, Anatoly A. Borshch, Michail S. Brodyn, and Sergei M. Maloletov "Third-order optical nonlinear response of new epoxy-based linear polymer", Proc. SPIE 2801, Nonlinear Optics of Low-Dimensional Structures and New Materials, (10 June 1996); https://doi.org/10.1117/12.242131

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