OPTICAL PUMPING AND ELECTRON SPIN RESONANCE OF SINGLE $^{87}$Rb ATOMS ON HELIUM NANODROPLETSMarkus Koch, Johannes Poms, Alexander Volk, Wolfgang ErnstPublished Jun 20, 2011• 0 citationsOpenAlexAbstractAuthor Institution: Institute of Experimental Physics, TU Graz, Petersgasse 16, 8010 Graz, Austria