Document Detail

Optical magnetic plasma in artificial flowers.
MedLine Citation:
PMID:  19550479     Owner:  NLM     Status:  MEDLINE    
We report the design of an artificial flower-like structure that supports a magnetic plasma in the optical domain. The structure is composed of alternating "petals" of conventional dielectrics (epsilon > 0) and plasmonic materials (Re(epsilon ) < 0). The induced effective magnetic current on such a structure possesses a phase lag with respect to the incident TE-mode magnetic field, similar to the phase lag between the induced electric current and the incident TM-mode electric field on a metal wire. An analogy is thus drawn with an artificial electric plasma composed of metal wires driven by a radio frequency excitation. The effective medium of an array of flowers has a negative permeability within a certain wavelength range, thus behaving as a magnetic plasma.
Jingjing Li; Lars Thylen; Alexander Bratkovsky; Shiy-Yuan Wang; R Stanley Williams
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics express     Volume:  17     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-06-24     Completed Date:  2009-08-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  10800-5     Citation Subset:  IM    
IQSL, Hewlett-Packard Research Lab, Palo Alto, CA 94304, USA.
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MeSH Terms
Computer Simulation
Electric Conductivity
Electromagnetic Fields
Flowers / physiology*
Materials Testing
Models, Statistical
Optics and Photonics*
Radio Waves
Refractometry / methods
Reg. No./Substance:

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