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Mirrorless Lasing in a Dye-Doped Ferroelectric Liquid Crystal

✍ Scribed by M. Ozaki; M. Kasano; D. Ganzke; W. Haase; K. Yoshino

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
188 KB
Volume
14
Category
Article
ISSN
0935-9648

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✦ Synopsis

process offers a simple, non-lithographic way to fabricate twodimensional periodic nanostructures. Such regular alumina nanopillar arrays with an adjustable lattice constant (90Β± 300 nm) are suitable for two-dimensional photonic bandgap structure materials for use in UV-vis wavelength regions. In addition, the arrays of the alumina nanopillars with tunable diameter and height can be used as imprint moulds and nonflat substrates for making nanohole or quantum dot arrays.

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Lasing in Dye-Doped Cholesteric Liquid C
Lasing in Dye-Doped Cholesteric Liquid Crystals: Two New Tuning Strategies
✍ A. Chanishvili; G. Chilaya; G. Petriashvili; R. Barberi; R. Bartolino; G. Cippar πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 English βš– 138 KB

**Tuning of a dye‐doped cholesteric liquid crystal mirrorless laser** in the violet– ultraviolet wavelength range is achieved using two different strategies for controlling the periodicity of the cholesteric helical structures. Both methods are shown produce a shift of the lasing wavelength by 30–40