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Photonic crystal spatial filters fabricated by femtosecond pulsed Bessel beam
dc.contributor.author | Gailevicius, Darius |
dc.contributor.author | Purlys, Vytautas |
dc.contributor.author | Staliunas, Kestutis |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Física |
dc.date.accessioned | 2020-01-31T14:47:33Z |
dc.date.available | 2020-10-15T00:25:38Z |
dc.date.issued | 2019-10-15 |
dc.identifier.citation | Gailevicius, D.; Purlys, V.; Staliunas, K. Photonic crystal spatial filters fabricated by femtosecond pulsed Bessel beam. "Optics letters", 15 Octubre 2019, vol. 44, núm. 20, p. 4969-4972. |
dc.identifier.issn | 0146-9592 |
dc.identifier.other | https://arxiv.org/abs/1908.02842 |
dc.identifier.uri | http://hdl.handle.net/2117/176402 |
dc.description.abstract | We propose and experimentally demonstrate femtosecond direct laser writing with Bessel beams for the fabrication of photonic crystals with spatial filtering functionality. Such filters are mechanically stable, of small (of order of millimeter) size, do not require direct access to the far-field domain, and therefore are excellent candidates for intracavity spatial filtering applications in mini- and micro-lasers. The technique allows the fabrication of efficient photonic crystal spatial filters in glass, with a narrow angle (~1 degree) nearly 100%-transmission pass-band between broad angle (up to 10 degrees) nearly 0%-transmission angular stop-bands. We show, that this technique can not only significantly shorten the fabrication time, but also allows the fabrication of large-scale defect-free photonic crystal spatial filters with a wide filtering band. |
dc.format.extent | 4 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Física |
dc.subject.lcsh | Lasers |
dc.subject.lcsh | Photonic crystals |
dc.title | Photonic crystal spatial filters fabricated by femtosecond pulsed Bessel beam |
dc.type | Article |
dc.subject.lemac | Làsers |
dc.subject.lemac | Cristalls fotònics |
dc.contributor.group | Universitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers |
dc.identifier.doi | 10.1364/OL.44.004969 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | https://www.osapublishing.org/ol/abstract.cfm?uri=ol-44-20-4969 |
dc.rights.access | Open Access |
local.identifier.drac | 26678601 |
dc.description.version | Postprint (published version) |
local.citation.author | Gailevicius, D.; Purlys, V.; Staliunas, K. |
local.citation.publicationName | Optics letters |
local.citation.volume | 44 |
local.citation.number | 20 |
local.citation.startingPage | 4969 |
local.citation.endingPage | 4972 |
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