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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 11 — Jun. 1, 2013
  • pp: 1826–1828

Metal single-nanowire plasmonic sensors

Fuxing Gu, Heping Zeng, Limin Tong, and Songlin Zhuang  »View Author Affiliations

Optics Letters, Vol. 38, Issue 11, pp. 1826-1828 (2013)

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We demonstrated a general approach for plasmonic sensing using metal single nanowires based on an evanescent coupling technique, where light was efficiently launched into and picked up from the metal nanowires using silica fiber tapers. A high amplitude sensitivity of 13dB to 1.2% hydrogen was obtained using palladium-coated Au nanowires for hydrogen sensing, and a fast response of 5ms was obtained using a polyacrylamide film-supported Ag nanowire for relative humidity sensing. Our results may help develop metal nanowire-based plasmonic sensors.

© 2013 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(240.6680) Optics at surfaces : Surface plasmons
(160.4236) Materials : Nanomaterials
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(250.5403) Optoelectronics : Plasmonics

ToC Category:

Original Manuscript: April 2, 2013
Revised Manuscript: April 24, 2013
Manuscript Accepted: April 24, 2013
Published: May 21, 2013

Fuxing Gu, Heping Zeng, Limin Tong, and Songlin Zhuang, "Metal single-nanowire plasmonic sensors," Opt. Lett. 38, 1826-1828 (2013)

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