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Proceedings Paper

Variable-focus microlenses as a potential technology for endoscopy
Author(s): Patrick J. Smith; Eithne M. McCabe; Cian M. Taylor; David R. Selviah; Sally E. Day; L. G. Commander
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Paper Abstract

Using a new device which contains an array of microlenses whose focal lengths can be electrically varied, we have been able to control the input from one microlens to a single mode fiber using an applied voltage. For such a microlens array many closely-spaced focal spots can be generated in parallel, and electrically switched to address, potentially, an array of receiver fibers. We show how the particular switching characteristics of the device, whereby the lenses switch from diverging to converging, serves in turn to disperse light and to focus it into the fiber.

Paper Details

Date Published: 2 May 2000
PDF: 6 pages
Proc. SPIE 3919, Three-Dimensional and Multidimensional Microscopy: Image Acquisition Processing VII, (2 May 2000); doi: 10.1117/12.384195
Show Author Affiliations
Patrick J. Smith, Trinity College Dublin (Ireland)
Eithne M. McCabe, Trinity College Dublin (Ireland)
Cian M. Taylor, Trinity College Dublin (Ireland)
David R. Selviah, Univ. College London (United Kingdom)
Sally E. Day, Univ. College London (United Kingdom)
L. G. Commander, Univ. College London (United Kingdom)

Published in SPIE Proceedings Vol. 3919:
Three-Dimensional and Multidimensional Microscopy: Image Acquisition Processing VII
Jose-Angel Conchello; Carol J. Cogswell; Andrew G. Tescher; Tony Wilson, Editor(s)

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