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Proceedings Paper

Electric field sensing with high spatial resolution via a charged "flying particle" optically guided inside hollow-core PCF
Author(s): D. S. Bykov; O. A. Schmidt; T. G. Euser; P. St. J. Russell
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Paper Abstract

We report an electric field sensor based on a charged microparticle that is optically trapped, and moved to and fro, inside a hollow-core photonic crystal fibre (PCF). Transverse electric fields displace the particle, altering the transmitted optical power. The transmission change is found to be linear with fields in the 0.1-50 kV/m range, with a flat frequency response from 0.01 to ~1 kHz. In a first test, the field pattern near a multi-element electrode was resolved with a spatial resolution of 1 mm. This unique "flying particle" sensor allows electric field mapping over long distances (the lowest loss hollow core PCF has a 3 dB length of ~3 km) and is suitable for inaccessible or harsh environments.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915704 (2 June 2014); doi: 10.1117/12.2059015
Show Author Affiliations
D. S. Bykov, Max-Planck-Institut für die Physik des Lichts (Germany)
O. A. Schmidt, Max-Planck-Institut für die Physik des Lichts (Germany)
T. G. Euser, Max-Planck-Institut für die Physik des Lichts (Germany)
P. St. J. Russell, Max-Planck-Institut für die Physik des Lichts (Germany)
Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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