Birefringence analysis of photo-addressable azopolymer thin films from spatial frequency response of focused surface plasmon

Ipsita Chakraborty; Hiroshi Kano

doi:10.1117/12.2567617

21 August 2020 Birefringence analysis of photo-addressable azopolymer thin films from spatial frequency response of focused surface plasmon

Ipsita Chakraborty, Hiroshi Kano

Author Affiliations +

Proceedings Volume 11467, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII; 114671O (2020) https://doi.org/10.1117/12.2567617
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

In this paper we analyze the relationship between the spatial frequency response of focused surface plasmon with the birefringence of the sample. The sample consists of thin film of photo-addressable azobenzene functionalized homopolymer. Due to the photoisomerization of the cis-trans relaxation states of azopolymer, anisotropy is induced in the sample and absorption pattern with ellipticity of 1.082 is observed at the exit pupil plane. Quantitative analysis of the ellipticity and orientation of the absorption pattern reveals the magnitude of birefringence and direction of fast axis of the sample. Simulated and experimental results are presented.

Conference Presentation

Citation Download Citation

Ipsita Chakraborty and Hiroshi Kano "Birefringence analysis of photo-addressable azopolymer thin films from spatial frequency response of focused surface plasmon", Proc. SPIE 11467, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII, 114671O (21 August 2020); https://doi.org/10.1117/12.2567617

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