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ICOP & ICPET 2018, 24 - : 605-608 Back to browse issues page
Experimental study of Goos - Hanchen shift from dielectric - metal interface
Ebrahim Safari * 1, Sima Aghaei 1, Samad Roshan entezar 1
1- Department of Physics, University of Tabriz, Tabriz
Abstract:   (141 Views)

Goos – Hanchen shift is referred to a distance caused by an incompatibility in the coincidence of the centers of incident and reflected waves due to the displacement of the ray on the interface of two environments by surface plasmons. Considering its small magnitude, precise and stable electronic and optical instruments are demanded. In this project, a theoretical study as well as an empirical observation of this shift in the dielectric and thin metal layer interface have been carried out. A layer of silver has been coated on a prism with an adequate depth through an act of physical vapor deposition, then the laser, polarized through a polarizer at different angles, is made incident on the interface. Due to the presence of GH shift a symmetric collision of the reflected ray amongst dipole detector photo diodes would not be the case. Different angles have been considered, and by comparing disparate polarizations GH shift has been observed.

Keywords: Dipole detector, Surface waves, Surface plasmons, Goos – Hanchen shift
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Type of Study: Research | Subject: Special
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Safari E, Aghaei S, Roshan entezar S. Experimental study of Goos - Hanchen shift from dielectric - metal interface. ICOP & ICPET. 2018; 24 :605-608
URL: http://opsi.ir/article-1-1530-en.html


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انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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