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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 12 — Apr. 20, 2000
  • pp: 1966–1972

Numerical analysis of the transmission efficiency of heat-drawn and chemically etched scanning near-field optical microscopes

Peter Moar, François Ladouceur, and Laurie Cahill  »View Author Affiliations


Applied Optics, Vol. 39, Issue 12, pp. 1966-1972 (2000)
http://dx.doi.org/10.1364/AO.39.001966


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Abstract

The scanning near-field optical microscope (SNOM) has been tested experimentally for a wide variety of applications, but, to date, there has been little work done on the numerical or analytical modeling of the optical field as it propagates throughout the SNOM probe. Therefore, the fabrication on the probes relies more on trial and error than on clear design principles. An algorithm has been developed for the study and optimization of the geometry of SNOM probes fabricated by the heat-drawn and the one-step chemically etched methods. The algorithm uses the finite-difference beam propagation method (FD-BPM) to model the field evolution throughout the SNOM structure.

© 2000 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(180.0180) Microscopy : Microscopy
(180.5810) Microscopy : Scanning microscopy
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.4830) Optical design and fabrication : Systems design

History
Original Manuscript: May 17, 1999
Revised Manuscript: October 29, 1999
Published: April 20, 2000

Citation
Peter Moar, François Ladouceur, and Laurie Cahill, "Numerical analysis of the transmission efficiency of heat-drawn and chemically etched scanning near-field optical microscopes," Appl. Opt. 39, 1966-1972 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-12-1966


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