S Brand
Bragg reflector enhanced attenuated total reflectance
Brand, S; Abram, RA; Kaliteevski, MA
Authors
RA Abram
MA Kaliteevski
Abstract
We model the effects of a quasibound photonic state that can exist within a substrate/metal film/Bragg reflector/air structure. The photonic state is confined as a result of total internal reflection at the air interface coupled with the effect of the photonic band gap of the Bragg reflector. The presence of the thin metallic film ensures that distinctive features are observable in the associated reflectivity spectrum. With an appropriately chosen metal layer thickness, light is able to penetrate into the structure but is then effectively trapped, leading to a greatly increased field intensity at the air interface and an associated sharp feature in the reflectivity. The sensitivity of the reflectivity feature to structural details and angle of incidence and the property of substantial field enhancement suggest that the structure could be of use in sensor/detector technology and nonlinear optics applications.
Citation
Brand, S., Abram, R., & Kaliteevski, M. (2009). Bragg reflector enhanced attenuated total reflectance. Journal of Applied Physics, 106(11), Article 113109. https://doi.org/10.1063/1.3265436
Journal Article Type | Article |
---|---|
Publication Date | Dec 1, 2009 |
Deposit Date | Nov 8, 2010 |
Publicly Available Date | Jan 26, 2011 |
Journal | Journal of Applied Physics |
Print ISSN | 0021-8979 |
Electronic ISSN | 1089-7550 |
Publisher | American Institute of Physics |
Peer Reviewed | Peer Reviewed |
Volume | 106 |
Issue | 11 |
Article Number | 113109 |
DOI | https://doi.org/10.1063/1.3265436 |
Keywords | Attenuated total reflection, Metallic thin films, Mirrors, Optical films, Photonic band gap, Reflectivity, Dimensional photonic crystals, Media. |
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Copyright Statement
Copyright 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Brand, S. and Abram, R.A. and Kaliteevski, M.A. (2009) 'Bragg reflector enhanced attenuated total reflectance.', Journal of applied physics., 106 (11). p. 113109 and may be found at http://dx.doi.org/10.1063/1.3265436
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