Work

Wide band gap materials as a new tuning strategy for dye doped cholesteric liquid crystals laser

Year: 2009

Type: article

Abstract: A new tuning strategy for mirror-less liquid crystals laser is presented. A three layer cell is prepared with two cholesteric layers sandwiching a layer containing an isotropic mixture of a photoluminescent dye. One of the chiral layers contains a wide band gap material while the second layer consists of a series of small band gap materials. Through the combination of these two layers, a set of mirrors that can selectively reflect different wavelengths is obtained. A different laser wavelength is emitted from different regions of the cell under the pumping beam irradiation.

Source: Optics Express

DOI: 10.1364/oe.17.004553

Authors: G. Petriashvili, M. A. Matranga, M. P. De Santo, G. Chilaya, R. Barberi

Institution: University of Calabria

Language: English

Topic: Liquid Crystal Research Advancements

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,270

Funders: Ministero dell’Istruzione, dell’Università e della Ricerca, Universidad de Zaragoza