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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 7 — Aug. 1, 2013

Temperature control of water-based substances by CO2 laser for medical applications

Luc Lévesque  »View Author Affiliations


Applied Optics, Vol. 52, Issue 16, pp. 3856-3863 (2013)
http://dx.doi.org/10.1364/AO.52.003856


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Abstract

Temperature of water-based substances is investigated by aiming a pulsed CO2 laser beam at the water–air surface. This method of controlling temperature is believed to be flexible in medical applications as it avoids the use of thermal devices, which are often cumbersome and generate rather larger temperature swing with time. The control of temperature in this laser method is modeled by the heat conduction equation. In this investigation, it is assumed that the energy delivered by the CO2 laser is confined within a very thin surface layer of roughly 10 μm. It is shown that the temperature can be very well controlled by a CO2 laser at a steady temperature, and we demonstrate that the method can be adapted to work in tandem with another laser beam.

© 2013 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.6810) Lasers and laser optics : Thermal effects
(350.3850) Other areas of optics : Materials processing
(280.6780) Remote sensing and sensors : Temperature

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: February 28, 2013
Revised Manuscript: April 29, 2013
Manuscript Accepted: May 1, 2013
Published: May 31, 2013

Virtual Issues
Vol. 8, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Luc Lévesque, "Temperature control of water-based substances by CO2 laser for medical applications," Appl. Opt. 52, 3856-3863 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-52-16-3856

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