Lasing Thresholds of Cholesteric Liquid Crystals Lasers (Articolo in rivista)

Type
Label
  • Lasing Thresholds of Cholesteric Liquid Crystals Lasers (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1080/15421400590930782 (literal)
Alternative label
  • (1) W. Cao; (1) P. Palffy-Muhoray;(1) B. Taheri; (2) A. Marino; (2) G. Abbate (2005)
    Lasing Thresholds of Cholesteric Liquid Crystals Lasers
    in Molecular crystals and liquid crystals (Phila. Pa. : 2003); Taylor & Francis Group, London (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • (1) W. Cao; (1) P. Palffy-Muhoray;(1) B. Taheri; (2) A. Marino; (2) G. Abbate (literal)
Pagina inizio
  • 101 (literal)
Pagina fine
  • 110 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.tandfonline.com/doi/abs/10.1080/15421400590930782 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 429 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Note
  • Google Scholar (literal)
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Liquid Crystal Institute, Kent State University, Kent, USA (2) Dipartimento di Scienze Fisiche, Università di Napoli Federico II (literal)
Titolo
  • Lasing Thresholds of Cholesteric Liquid Crystals Lasers (literal)
Abstract
  • Cholesteric liquid crystals (CLCs) are one dimensional photonic band-gap materials. Due to distributed feedback, low threshold mirrorless lasing can occur in dyedoped and pure CLCs. In order to optimize the lasing conditions, we have studied the dependence of the lasing threshold on dye concentration and sample thickness. In particular, we have studied dye concentrations in the range of 0.1-3.0 wt%, and cell thicknesses are in the range of 5-50 ?m. We have found that the system has a shallow lasing threshold minimum and can operate efficiently in the range of dye concentrations of 0.3-2.4wt% and sample thicknesses of 10-50 ?m. We discuss the physical processes responsible for the observed behaviour. (literal)
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