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	Optically trapped tunable droplet microlasers from liquid crystals Pilát, Zdeněk ; Ježek, Jan ; Jonáš, A. ; Aas, M. ; Kiraz, A. ; Brzobohatý, Oto ; Zemánek, Pavel We created a system for concurrent optical trapping, laser excitation and spectroscopy of liquid crystal droplets doped with a fluorescent dye. We observed whispering gallery modes and lasing of the droplet. We tuned the droplet laser frequency with optical forces, electric current or heating. Detailed record
	Opticaly trapped tunable droplet microlaser Ježek, Jan ; Pilát, Zdeněk ; Brzobohatý, Oto ; Jonáš, Alexandr ; Aas, M. ; Kiraz, A. ; Zemánek, Pavel We introduce tunable optofluidic microlasers based on optically stretched, dye-doped emulsion droplets confined in a dual-beam optical trap. Droplets were created in microfuidic chips. Optically trapped microdroplets of oil emulsified in water and stained with fluorescent dye act as an active ultrahigh-Q optical resonant cavities hosting whispering gallery modes (WGMs). All-optical 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. Detailed record
	Mikrokapénkové lasery Ježek, Jan ; Pilát, Zdeněk ; Jonáš, A. ; Aas, M. ; Kiraz, A. ; Zemánek, Pavel Detailed record

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