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Title: Experimentally excellent beaming in a two-layer dielectric structure

We demonstrate both experimentally and theoretically that a two-layer dielectric structure can provide collimation and enhanced transmission of a Gaussian beam passing through it. This is due to formation of surface localized states along the layered structure and the coupling of these states to outgoing propagating waves. As a result, a system of multiple cascading two-layers can sustain the beaming for large propagation distances.
Authors:
 [1] ;  [2] ;  [3] ;  [2] ;  [4]
  1. Institute of Electronic Structure and Laser, Crete (Greece)
  2. Iowa State Univ., Ames, IA (United States)
  3. Iowa State Univ., Ames, IA (United States); Univ. of Crete, Crete (Greece)
  4. Institute of Electronic Structure and Laser, Crete (Greece); Iowa State Univ., Ames, IA (United States)
Publication Date:
OSTI Identifier:
1225381
Report Number(s):
IS-J--8508
Journal ID: ISSN 1094-4087; OPEXFF
Grant/Contract Number:
AC02-07CH11358
Type:
Accepted Manuscript
Journal Name:
Optics Express
Additional Journal Information:
Journal Volume: 22; Journal Issue: 19; Journal ID: ISSN 1094-4087
Publisher:
Optical Society of America (OSA)
Research Org:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS photonic crystals; surface plasmons; gratings