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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 8 — Mar. 10, 2012
  • pp: 1109–1114

Broadband and mid-infrared absorber based on dielectric-thin metal film multilayers

Timothy D. Corrigan, Dong Hun Park, H. Dennis Drew, Shy-Hauh Guo, Paul W. Kolb, Warren N. Herman, and Raymond J. Phaneuf  »View Author Affiliations


Applied Optics, Vol. 51, Issue 8, pp. 1109-1114 (2012)
http://dx.doi.org/10.1364/AO.51.001109


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Abstract

We propose a periodic multilayer structure of dielectric and metal interlayers to achieve a near-perfect broadband absorber of mid-infrared radiation. We examine the influence of four factors on its performance: (1) the interlayer metal conductance, (2) the number of dielectric layers, (3) a nanopatterned antireflective layer, and (4) a reflective metallic bottom layer for backreflection. Absorption characteristics greater than 99% of the 300 K and 500 K blackbody spectra are found for the optimized structures. Incident angle and polarization dependence of the absorption spectra are examined. We also investigate the possibility of fabricating a nanopatterned antireflective layer to maximize absorption.

© 2012 Optical Society of America

OCIS Codes
(230.1480) Optical devices : Bragg reflectors
(230.4170) Optical devices : Multilayers
(310.1210) Thin films : Antireflection coatings
(310.4165) Thin films : Multilayer design
(220.4241) Optical design and fabrication : Nanostructure fabrication
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: September 28, 2011
Revised Manuscript: January 4, 2012
Manuscript Accepted: January 4, 2012
Published: March 7, 2012

Citation
Timothy D. Corrigan, Dong Hun Park, H. Dennis Drew, Shy-Hauh Guo, Paul W. Kolb, Warren N. Herman, and Raymond J. Phaneuf, "Broadband and mid-infrared absorber based on dielectric-thin metal film multilayers," Appl. Opt. 51, 1109-1114 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-8-1109

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