Tunable WGM resonators from optically trapped dye doped liquid crystal emulsion droplets | Zendy

Mojmı́r Šerý | Zendy; Zdeněk Pilát | Zendy; Jan Ježek | Zendy; Mehdi Aas | Zendy; Alper Kıraz | Zendy; Pavel Zemánek | Zendy

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Tunable WGM resonators from optically trapped dye doped liquid crystal emulsion droplets

Author(s) -

Mojmı́r Šerý,

Zdeněk Pilát,

Jan Ježek,

Mehdi Aas,

Alper Kıraz,

Pavel Zemánek

Publication year - 2014

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.2061986

Subject(s) - lasing threshold , whispering gallery wave , materials science , liquid crystal , fluorescence , optoelectronics , emulsion , wavelength , doping , resonator , optics , excitation , chemistry , physics , biochemistry , quantum mechanics

We have built a complex apparatus for optical trapping, stretching, heating and concurrent whispering gallery mode (WGM) lasing excitation of liquid crystal (LC) emulsion micro-droplets doped with various fluorescent dyes. We have explored the changes of WGM lasing wavelength when the LC droplets were optically stretched or electrically heated beyond the transition to the isotropic phase. We have found that the range of lasing wavelengths was in some cases considerably higher than when we optically stretched ordinary fluorescent oil droplets in our previous experiments

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