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Issue 18, 2012
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Thermal and electrical laser tuning in liquid crystal blue phase I

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Abstract

Thermal and electrical tuning of laser emission from optically pumped blue phase I of dye-doped short pitch cholesteric mixtures have been achieved. Temperature changes or applied electric field to the liquid crystal cells induce structural changes in the blue phase configuration, producing a shift of the photonic band gap. The emission tunability in a structure that in addition allows multidirectional emission may herald a new age of multipurpose laser sources. Furthermore, the reversibility of the effect points out the potential applications of these soft photonic self-assembled materials.

Graphical abstract: Thermal and electrical laser tuning in liquid crystal blue phase I

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Publication details

The article was received on 26 Jan 2012, accepted on 19 Mar 2012 and first published on 03 Apr 2012


Article type: Communication
DOI: 10.1039/C2SM25197C
Citation: Soft Matter, 2012,8, 4882-4885
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    Thermal and electrical laser tuning in liquid crystal blue phase I

    A. Mazzulla, G. Petriashvili, M. A. Matranga, M. P. De Santo and R. Barberi, Soft Matter, 2012, 8, 4882
    DOI: 10.1039/C2SM25197C

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