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Role of geometric shape in chiral optics

Gutsche, P.; Garcia-Santiago, X.; Schneider, P.-I.; McPeak, K. M.; Nieto-Vesperinas, M.; Burger, S.

Abstract:
The distinction of chiral and mirror symmetric objects is straightforward from a geometrical point of view. Since the biological as well as the optical activity of molecules strongly depend on their handedness, chirality has recently attracted high interest in the field of nano-optics. Various aspects of associated phenomena including the influences of internal and external degrees of freedom on the optical response have been discussed. Here, we propose a constructive method to evaluate the possibility of observing any chiral response from an optical scatterer. Based on solely the T-matrix of one enantiomer, planes of minimal chiral response are located and compared to geometric mirror planes. This provides insights into the relation of geometric and optical properties and enables identifying the potential of chiral scatterers for nano-optical experiments.

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Verlagsausgabe §
DOI: 10.5445/IR/1000119595
Veröffentlicht am 09.06.2020
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Theoretische Festkörperphysik (TFP)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2020
Sprache Englisch
Identifikator ISSN: 2073-8994
KITopen-ID: 1000119595
Erschienen in Symmetry
Band 12
Heft 1
Seiten Article: 158
Schlagwörter optical chirality; mirror symmetry; helicity; optical scatterer
Nachgewiesen in Scopus
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