Shape control of near-field probes using dynamic meniscus etching

L. H. Haber, R. D. Schaller, J. C. Johnson, R. J. Saykally

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Dynamic etching methods for fabricating fibre optic tips are explored and modelled. By vertically translating the fibre during etching by an HF solution under an organic protective layer, a variety of tip shapes were created. The probe taper lengths, cone angles and geometrical probe shapes were measured in order to evaluate the dynamic meniscus etching process. Fibre motion, etching rate, meniscus distortion and etching time were all found to be important variables that can be used to control the final probe shape.

Original languageEnglish
Pages (from-to)27-35
Number of pages9
JournalJournal of Microscopy
Volume214
Issue number1
DOIs
Publication statusPublished - Apr 2004

Fingerprint

shape control
menisci
Etching
near fields
etching
probes
fibers
translating
Fibers
tapering
Fiber optics
Cones
fiber optics
cones
Meniscus

Keywords

  • Compound parabolic concentrator
  • Etching techniques
  • Meniscus formation
  • Near-field optics
  • NSOM
  • Optical fibre probes
  • Scanning microscopy
  • Throughput efficiency
  • Tip cone angle
  • Tip shape

ASJC Scopus subject areas

  • Instrumentation

Cite this

Shape control of near-field probes using dynamic meniscus etching. / Haber, L. H.; Schaller, R. D.; Johnson, J. C.; Saykally, R. J.

In: Journal of Microscopy, Vol. 214, No. 1, 04.2004, p. 27-35.

Research output: Contribution to journalArticle

Haber, L. H. ; Schaller, R. D. ; Johnson, J. C. ; Saykally, R. J. / Shape control of near-field probes using dynamic meniscus etching. In: Journal of Microscopy. 2004 ; Vol. 214, No. 1. pp. 27-35.
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