Light absorption in conical silicon particles

QC 20130227
The problem of the absorption of light by a nanoscale dielectric cone is discussed. A simplified solution based on the analytical Mie theory of scattering and absorption by cylindrical objects is proposed and supported by the experimental observation of sharply localized holes in conical silicon tips after high-fluence irradiation. This study reveals that light couples with tapered objects dominantly at specific locations, where the local radius corresponds to one of the resonant radii of a cylindrical object, as predicted by Mie theory.

NATURVETENSKAP Fysik Atom- och molekylfysik och optik hsv//swe
NATURAL SCIENCES Physical Sciences Atom and Molecular Physics and Optics hsv//eng
Laser damage
Semiconductor materials
Extinction
Mie theory
Absorption
Laser materials processing
SRA - ICT
SRA - Informations- och kommunikationsteknik

Gilbert, MatthieuIMEC, Kapeldreef 75, B-3000 Leuven, Belgium (author)
Innocenti, Nicolas,1986-KTH,Beräkningsbiologi, CB,Alfvénlaboratoriet,Computational Biological Physics, CBP(Swepub:kth)u1484r04 (author)
Koelling, SebastianIMEC, Kapeldreef 75, B-3000 Leuven, Belgium (author)
Vanderheyden, Benoit4 Institut Montefiore, Sart-Tilman B28, B-4000 Liege, Belgium (author)
Vandervorst, WilfriedIMEC, Kapeldreef 75, B-3000 Leuven, Belgium (author)
IMEC, Kapeldreef 75, B-3000 Leuven, BelgiumBeräkningsbiologi, CB (creator_code:org_t)

By the author/editor: Bogdanowicz, Jan ...; Gilbert, Matthie ...; Innocenti, Nicol ...; Koelling, Sebast ...; Vanderheyden, Be ...; Vandervorst, Wil ...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Atom and Molecul ...

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