A tunable inverse-hemisphere-shaped Bragg grating sensor

Yunha Ryu; Kyoungsik Kim

doi:10.1117/12.2024614

26 September 2013 A tunable inverse-hemisphere-shaped Bragg grating sensor

Yunha Ryu, Kyoungsik Kim

Proceedings Volume 8816, Nanoengineering: Fabrication, Properties, Optics, and Devices X; 88161H (2013) https://doi.org/10.1117/12.2024614
Event: SPIE NanoScience + Engineering, 2013, San Diego, California, United States

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.

Citation Download Citation

Yunha Ryu and Kyoungsik Kim "A tunable inverse-hemisphere-shaped Bragg grating sensor ", Proc. SPIE 8816, Nanoengineering: Fabrication, Properties, Optics, and Devices X, 88161H (26 September 2013); https://doi.org/10.1117/12.2024614

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