Center for Mechanical Technology and Automation and Department of Mechanical Engineering University of Aveiro Aveiro 3810-193 Portugal;
Department of Physics University of Aveiro Aveiro 3810-193 Portugal;
Department of Physics and CICECO University of Aveiro Aveiro 3810-193 Portugal;
Department of Physics University of Aveiro Aveiro 3810-193 Portugal;
Department of Physics University of Aveiro Aveiro 3810-193 Portugal;
Center for Mechanical Technology and Automation and Department of Mechanical Engineering University of Aveiro Aveiro 3810-193 Portugal;
Department of Physics University of Aveiro Aveiro 3810-193 Portugal;
Center for Mechanical Technology and Automation and Department of Mechanical Engineering University of Aveiro Aveiro 3810-193 Portugal;
