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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 34, Iss. 7 — Mar. 1, 1995
  • pp: 1215–1228

Parameter control, characterization, and optimization in the fabrication of optical fiber near-field probes

G. A. Valaskovic, M. Holton, and G. H. Morrison  »View Author Affiliations


Applied Optics, Vol. 34, Issue 7, pp. 1215-1228 (1995)
http://dx.doi.org/10.1364/AO.34.001215


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Abstract

Tip diameter and transmission efficiency of a visible-wavelength near-field optic probe determine both the lateral spatial resolution and experimental utility of the near-field scanning optical microscope. The commonly used tip fabrication technique, laser-heated pulling of fused-silica optical fiber followed by aperture formation through aluminization, is a complex process governed by a large number of parameters. An extensive study of the pulling parameter space has revealed a time-dependent functionality between the various pulling parameters dominated by a photon-based heating mechanism. The photon-based heat source results in a temperature and viscosity dependence that is a complex function of time and fiber diameter. Changing the taper of the optical probe can affect transmission efficiency by an order of magnitude or more.

© 1995 Optical Society of America

History
Original Manuscript: May 20, 1994
Revised Manuscript: July 26, 1994
Published: March 1, 1995

Citation
G. A. Valaskovic, M. Holton, and G. H. Morrison, "Parameter control, characterization, and optimization in the fabrication of optical fiber near-field probes," Appl. Opt. 34, 1215-1228 (1995)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-34-7-1215

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