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Proceedings Paper

Design and experimental investigation of nano-structured optical polarizing elements based on two-photon photopolymerization
Author(s): Junjie Guo; Ti Sun; Cun He; Jie Xia; Meng Cao; Chinhua Wang
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Paper Abstract

In this paper, a nano-polarization device based on two-photon polymerization reduction was designed and experimentally investigated. A broadband near-infrared (3-5 μ m) linear polarizer doped with metal particles was designed. Different from the fabrication methods of lithography and ion etching used in traditional metallic gratings or nanostructures, a two-photon absorption-based photo-reduction and photopolymerization process was adopted. The mixed solution composed by gold salt and photoresist is exposed by a femtosecend laser at a wavelength of 780 nm, at which the reduction reaction of the gold ions and the polymerization reaction of the resin are completed simultaneously, and thereby metal particles in the polymerized material can be obtained. The clusters of the reduced gold particles were observed by scanning electron microscopy, and the peak of gold was found in the energy dispersive X-ray spectrometer, which demonstrated the feasibility of the experiment and laid the foundation for the subsequent functional device fabrication.

Paper Details

Date Published: 17 May 2019
PDF: 8 pages
Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 1117015 (17 May 2019);
Show Author Affiliations
Junjie Guo, Soochow Univ. (China)
Ti Sun, Soochow Univ. (China)
Cun He, Soochow Univ. (China)
Jie Xia, Soochow Univ. (China)
Meng Cao, Soochow Univ. (China)
Chinhua Wang, Soochow Univ. (China)


Published in SPIE Proceedings Vol. 11170:
14th National Conference on Laser Technology and Optoelectronics (LTO 2019)
Jianqiang Zhu; Weibiao Chen; Zhenxi Zhang; Minlin Zhong; Pu Wang; Jianrong Qiu, Editor(s)

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