National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
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.

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