Lasing in an intermediate twisted phase between cholesteric and smectic A phase

This work describes the observation of lasing in an intermediate chiral phase of a dye-doped cholesteric liquid crystal mixture. This intermediate phase exists between cholesteric and smectic A phase and it presents anomalous selective reflection properties. The lasing was observed at the long-wavel...

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Veröffentlicht in:Applied physics letters 2006-03, Vol.88 (10), p.101105-101105-3
Hauptverfasser: Chanishvili, Andro, Chilaya, Guram, Petriashvili, Gia, Barberi, Riccardo, De Santo, Maria P., Matranga, Mario A., Ciuchi, Federica
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Sprache:eng
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Zusammenfassung:This work describes the observation of lasing in an intermediate chiral phase of a dye-doped cholesteric liquid crystal mixture. This intermediate phase exists between cholesteric and smectic A phase and it presents anomalous selective reflection properties. The lasing was observed at the long-wavelength edge of the photonic band gap.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2183822