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Proceedings Paper

A tunable inverse-hemisphere-shaped Bragg grating sensor
Author(s): Yunha Ryu; Kyoungsik Kim
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Paper Abstract

In this work, we investigated the diffraction of inverse-hemisphere shaped polymer grating. We fabricated an inverse-hemisphere- shaped grating structure using soft lithography of close-packed PS nanospheres that is easy and cost-effective method. Then the diffraction wavelength shift induced from lattice change was measured. The periodicity of the grating was tuned by swelling in acetone. The measurement results suggest that the device can be used as a strain gauge or a chemical sensor.

Paper Details

Date Published: 26 September 2013
PDF: 6 pages
Proc. SPIE 8816, Nanoengineering: Fabrication, Properties, Optics, and Devices X, 88161H (26 September 2013); doi: 10.1117/12.2024614
Show Author Affiliations
Yunha Ryu, Yonsei Univ. (Korea, Republic of)
Kyoungsik Kim, Yonsei Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 8816:
Nanoengineering: Fabrication, Properties, Optics, and Devices X
Eva M. Campo; Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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