Materials Sciences and Applications

Volume 2, Issue 2 (February 2011)

ISSN Print: 2153-117X   ISSN Online: 2153-1188

Google-based Impact Factor: 0.97  Citations  

Different Approaches of Employing Cholesteric Liquid Crystals in Dye Lasers

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DOI: 10.4236/msa.2011.22016    7,082 Downloads   13,399 Views  Citations

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ABSTRACT

Two ways of employing cholesteric liquid crystals in tunable dye lasers are considered: the cholesterics as distributed feedback medium and the cholesterics as resonator mirrors. In the dye doped distributed feedback cholesteric liquid crystal lasers the frequency tuning is achieved exploiting light induced effects or using a specially designed cell assembling a chiral dopant concentration gradient in combination with suitable distribution of different dyes. Another approach represents the lasing in a multilayer system consisting of a dye doped isotropic solvent sandwiched between two CLC layers.

Share and Cite:

G. Chilaya, A. Chanishvili, G. Petriashvili, R. Barberi, M. De Santo and M. Matranga, "Different Approaches of Employing Cholesteric Liquid Crystals in Dye Lasers," Materials Sciences and Applications, Vol. 2 No. 2, 2011, pp. 116-129. doi: 10.4236/msa.2011.22016.

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