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Liquid crystal emulsion micro-droplet WGM resonators
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SYSNO ASEP 0437743 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Liquid crystal emulsion micro-droplet WGM resonators Author(s) Ježek, Jan (UPT-D) RID, ORCID, SAI
Pilát, Zdeněk (UPT-D) RID, SAI, ORCID
Brzobohatý, Oto (UPT-D) RID, ORCID, SAI
Jonáš, A. (TR)
Aas, M. (TR)
Kiraz, A. (TR)
Zemánek, Pavel (UPT-D) RID, SAI, ORCIDNumber of authors 7 Source Title 19th Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics (Proceedings of SPIE 9441). - Bellingham : SPIE, 2014 - ISSN 0277-786X - ISBN 9781628415568 Pages 944108:1-9 Number of pages 9 s. Publication form Print - P Action Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics /19./ Event date 08.09.2014-12.09.2014 VEvent location Jelenia Góra Country PL - Poland Event type EUR Language eng - English Country US - United States Keywords liquid crystals ; resonators ; optical trapping ; water ; lasers Subject RIV BH - Optics, Masers, Lasers R&D Projects TA03010642 GA TA ČR - Technology Agency of the Czech Republic (TA ČR) LO1212 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LD14069 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) ED0017/01/01 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UPT-D - RVO:68081731 UT WOS 000349332600007 DOI 10.1117/12.2176025 Annotation We introduce tunable optofluidic microlasers based on optically stretched or thermally modified, dye-doped emulsion droplets of liquid crystals (LC) confined in a dual-beam optical trap. Droplets were created in microfluidic chips or by shaking. Optically trapped microdroplets emulsified in water and stained with fluorescent dye act as an active ultrahigh-Q optical resonant cavity hosting whispering gallery modes (WGMs). Tuning of the laser emission wavelength was achieved by a controlled deformation of the droplet shape using light-induced forces generated by dual-beam optical trap and by thermal changing of the order in the LC. Workplace Institute of Scientific Instruments Contact Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Year of Publishing 2015
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