@unpublished{TUW-199865, author = {Brunner, Magdalena and Alves, Joao and Hammel, Ernst and Leeb, Walter and Poppe, Andreas}, title = {OSETI - A Search for Extraterrestrial Intelligence at Optical Wavelengths}, year = {2011}, keywords = {exoplanets, SETI, OSETI, Geiger-mode, single photon detection}, note = {poster presentation: The History and Philosophy of Astrobiology, Tycho Brahe's island Ven, Sweden; 2011-09-27 -- 2011-09-28} }