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

Mojmír Šerý; Zdeněk Pilát; Jan Ježek; Mehdi Aas; Alper Kiraz; Pavel Zemánek

doi:10.1117/12.2061986

16 September 2014 Tunable WGM resonators from optically trapped dye doped liquid crystal emulsion droplets

Mojmír Šerý, Zdeněk Pilát, Jan Ježek, Mehdi Aas, Alper Kiraz, Pavel Zemánek

Proceedings Volume 9164, Optical Trapping and Optical Micromanipulation XI; 916434 (2014) https://doi.org/10.1117/12.2061986
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

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.

Citation Download Citation

Mojmír Šerý, Zdeněk Pilát, Jan Ježek, Mehdi Aas, Alper Kiraz, and Pavel Zemánek "Tunable WGM resonators from optically trapped dye doped liquid crystal emulsion droplets", Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 916434 (16 September 2014); https://doi.org/10.1117/12.2061986

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