Fürst, Josef U.Josef U.FürstBreunig, IngoIngoBreunigBuse, KarstenKarstenBuseBecker, PetraPetraBeckerLiebertz, JosefJosefLiebertzBohaty, LadislavLadislavBohaty2022-03-132022-03-132015https://publica.fraunhofer.de/handle/publica/390959enwhispering gallery resonator (WGR)second harmonic generation621Lithium tetraborate whispering gallery resonator for second-harmonic generation into the ultravioletconference paper