Integration of bow-tie plasmonic nanoantennas on tapered fibers
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Authors
Khaleque, Abdul
Mironov, Evgeny G
Osorio, Jonas H
Li, Ziyuan
Cordeiro, Cristiano M B
Liu, Liming
Franco, Marcos A R
Liow, Jong-Leng
Hattori, Haroldo
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Optical Society of America
Abstract
In this article, a new and flexible approach to control the electric field enhancement of bow-tie nano-antennas by integrating them on the lateral of a tapered optical fiber is proposed. The device is driven by a Q-switched laser and the performance of a fabricated nano-antenna in a quartz slide is tested by a Surface Enhanced Raman Scattering (SERS) experiment. A refractive index sensing experiment is also performed and a sensitivity of (240 ± 30) nm/RIU is found in the 1.33-1.35 index range
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Optics Express
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2099-12-31
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