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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 27 — Sep. 20, 2012
  • pp: 6578–6585

Surface heating by optical beams and application to mid-infrared imaging

Alain Haché, Phuong Anh Do, and Stefano Bonora  »View Author Affiliations


Applied Optics, Vol. 51, Issue 27, pp. 6578-6585 (2012)
http://dx.doi.org/10.1364/AO.51.006578


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Abstract

Heating of surfaces by optical beams is investigated theoretically and compared with experimental results in the context of infrared imaging with vanadium dioxide thin films. Using known solutions for the diffusion of point heat sources at the interface between two semi-infinite media, the theory is extended to beams of Gaussian and flat profiles, for steady-state and dynamic regimes. Parameters relevant to imaging, such as spatial resolution and response time, are linked to thermal diffusivity, beam dimensions, and intensity.

© 2012 Optical Society of America

OCIS Codes
(040.3060) Detectors : Infrared
(120.6810) Instrumentation, measurement, and metrology : Thermal effects

ToC Category:
Detectors

History
Original Manuscript: May 31, 2012
Revised Manuscript: August 19, 2012
Manuscript Accepted: August 19, 2012
Published: September 17, 2012

Citation
Alain Haché, Phuong Anh Do, and Stefano Bonora, "Surface heating by optical beams and application to mid-infrared imaging," Appl. Opt. 51, 6578-6585 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-27-6578

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