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Proceedings Paper

The photonic spin Hall effect sensor
Author(s): Linguo Xie; Zhiyou Zhang; Jinglei Du
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Paper Abstract

In this paper, we present an alternative refractive index sensing scheme based on the photonic spin Hall effect (PSHE). We find that the spin splitting induced by the PSHE shows high sensitivity to the refractive index change (RIC) around the Brewster angle.The refractive index of sample is estimated with a precision of the order of 10−5 refractive index unit (RIU) by measuring the spin splitting with weak measurements. Compared with the surface plasmon resonance sensor, this method does not require the noble metal film and keeps the same sensitivity, which is a low-cost alternative to refractive index sensing.

Paper Details

Date Published: 23 August 2017
PDF: 6 pages
Proc. SPIE 10373, Applied Optical Metrology II, 103730A (23 August 2017); doi: 10.1117/12.2272162
Show Author Affiliations
Linguo Xie, Sichuan Univ. (China)
Zhiyou Zhang, Sichuan Univ. (China)
Jinglei Du, Sichuan Univ. (China)

Published in SPIE Proceedings Vol. 10373:
Applied Optical Metrology II
Erik Novak; James D. Trolinger, Editor(s)

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