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Modeling endface ou...
Modeling endface output patterns of optical micro/nanofibers
- Article/chapterEnglish2008
Publisher, publication year, extent ...
Numbers
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LIBRIS-ID:oai:DiVA.org:kth-17615
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-17615URI
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https://doi.org/10.1364/OE.16.008887DOI
Supplementary language notes
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Language:English
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Summary in:English
Part of subdatabase
Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20100525
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Endface output patterns of micro/nanofibers (MNFs) are simulated using a Three-Dimension Finite-Difference Time-Domain (3D-FDTD) method. The intensity distribution and beam widths of near-or far-field output patterns of freestanding silica and tellurite MNFs with flat, angled, spherical and tapered endfaces in air and/or water are obtained. It shows that, for a subwavelength-diameter MNF, highly confined output beam can be obtained in the near field, and the beam width can be tuned by the ratio of fiber diameter and light wavelength with a minimum width smaller than the wavelength. Meanwhile, MNFs with shaped endfaces behave differently from standard fibers in reflection, redirection and focus of light beam at the endfaces. These results may offer valuable references for practical evaluation and application of terminated MNFs with wavelength-or subwavelength-scale endfaces.
Subject headings and genre
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subwavelength-diameter silica
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supercontinuum generation
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photonic
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nanowires
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evanescent field
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refractive-index
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wave-guides
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fiber
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density
Added entries (persons, corporate bodies, meetings, titles ...)
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Fu, Jian
(author)
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Qiu, MinKTH,Mikroelektronik och tillämpad fysik, MAP(Swepub:kth)u11okd66
(author)
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Huang, Ke-Ji
(author)
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Ma, Zhe
(author)
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Tong, Li-Min
(author)
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KTHMikroelektronik och tillämpad fysik, MAP
(creator_code:org_t)
Related titles
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In:Optics Express16:12, s. 8887-88951094-4087
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