Resonance suppression in the extinction spectrum of single and aggregated hemispheres on a reflecting surface

The extinction spectrum from single and aggregated hemispheres whose flat faces lie on a reflecting surface is calculated, and some of the expected resonances are found to disappear for specific choices of the direction and the polarization of the incident wave. This resonance-suppressing effect is...

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Veröffentlicht in:Applied Optics 1997-06, Vol.36 (18), p.4226-4234
Hauptverfasser: Borghese, F, Denti, P, Saija, R, Fucile, E, Sindoni, O I
Format: Artikel
Sprache:eng
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Zusammenfassung:The extinction spectrum from single and aggregated hemispheres whose flat faces lie on a reflecting surface is calculated, and some of the expected resonances are found to disappear for specific choices of the direction and the polarization of the incident wave. This resonance-suppressing effect is fully explained for the case of single hemispheres, whereas for the case of aggregated hemispheres the guidelines for its explanation are given.
ISSN:1559-128X
0003-6935
1539-4522
DOI:10.1364/AO.36.004226