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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 15 — May. 20, 2005
  • pp: 3001–3005

Enhanced readout signal of superresolution near-field structure disks by control of the size and distribution of metal nanoclusters

Jenq-Nan Yih, Wei-Chih Hsu, Song-Yeu Tsai, and Shean-Jen Chen  »View Author Affiliations


Applied Optics, Vol. 44, Issue 15, pp. 3001-3005 (2005)
http://dx.doi.org/10.1364/AO.44.003001


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Abstract

We present a study in which we enhance the carrier-to-noise ratio of a superresolution near-field structure (super-RENS) disk to read below 100-nm marks by implementing a mask layer comprising a Au nanocluster-embedded dielectric film. Various Au nanocluster-embedded mask layers are fabricated by a radio-frequency cosputtering process, and the size and distribution of Au nanoclusters are controlled. To verify the enhancement of the various films for super-RENS disk applications, the sensitivity enhancement of plasmonic gas sensing is demonstrated.

© 2005 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.3910) Physical optics : Metal optics

Citation
Jenq-Nan Yih, Wei-Chih Hsu, Song-Yeu Tsai, and Shean-Jen Chen, "Enhanced readout signal of superresolution near-field structure disks by control of the size and distribution of metal nanoclusters," Appl. Opt. 44, 3001-3005 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-15-3001


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