http://www.cnr.it/ontology/cnr/individuo/prodotto/ID16
Distributed feedback micro-laser array: helixed liquid crystals embedded in holographically sculptured polymeric microcavities (Articolo in rivista)
- Type
- Label
- Distributed feedback micro-laser array: helixed liquid crystals embedded in holographically sculptured polymeric microcavities (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Alternative label
Barna, V; Caputo, R; De Luca, A; Scaramuzza, N; Strangi, G; Versace, C; Umeton, C; Bartolino, R; Price, GN (2006)
Distributed feedback micro-laser array: helixed liquid crystals embedded in holographically sculptured polymeric microcavities
in Optics express
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Barna, V; Caputo, R; De Luca, A; Scaramuzza, N; Strangi, G; Versace, C; Umeton, C; Bartolino, R; Price, GN (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ Calabria, LICRYL, INFM, I-87036 Arcavacata Di Rende, CS, Italy; Univ Calabria, Ctr Excellence CEMIF, CAL, Dept Phys, I-87036 Arcavacata Di Rende, CS, Italy; Univ Colorado, Dept Phys, Boulder, CO 80309 USA; Univ Colorado, FLCMRC, Boulder, CO 80309 USA (literal)
- Titolo
- Distributed feedback micro-laser array: helixed liquid crystals embedded in holographically sculptured polymeric microcavities (literal)
- Abstract
- We report a detailed physical characterization of a novel array of organic distributed feedback microcavity lasers possessing a high ratio between the quality factor Q of the resonant cavity and its volume V. The optical microcavity was obtained by confining self-organized mesophases doped with fluorescent guest molecules into holographically patterned polymeric microchannels. The liquid crystal microchannels act as mirrorless cavity lasers, where the emitted laser light propagates along the liquid crystal helical axis behaving as Bragg resonator. This miniaturization process allows us to obtain a micro-laser array possessing an ultralow lasing threshold (25nJ/pulse) while having directional control on the lasing emission, a fine wavelength tunability and the control over the emission intensity. (c) 2006 Optical Society of America (literal)
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