Research stays at external institutions since October 2007:   University of Vienna, Faculty of Physics: Date: 13.12.2007 – 14.12.2007 and 17.01.2008 -18.01.2008 Topic: preparation of research papers   Institute Laue Langevin (ILL), Grenoble, France: Date: 16.07.2009 – 24.07.2009 Proposal Nr. CRG-1614 Topic: Ultra small angle neutron scattering (USANS) measurements at Instrument S18 Experiment title: USANS from holographically recorded gratings in polymer nanocomposite systems   GKSS Research Center, Geesthacht, Germany: Date: 25.03.2010 – 31.03.2010 Proposal Nr. 23-909 Topic: Small angle neutron scattering measurements at instrument SANS-2 Experiment title: Comparing neutron diffraction from thick polarization gratings to phase gratings in holographic polymer-dispersed liquid crystals   University of Vienna, Faculty of Physics:                 Date: 10.06.2010 – 13.06.2010 Topic: Preparation of holographically generated gratings from d-PMMA for very cold neutron small angle scattering experiment at Institute Laue Langevin (ILL)   Institute Laue Langevin (ILL), Grenoble, France: Date: 24.06.2010 – 08.07.2010 Proposal Nr. 3-14-278 Topic: Small angle scattering experiment with very cold neutrons at instrument PF2 Experiment title: Tests of holographically generated gratings with very cold neutrons   University of Vienna, Faculty of Physics:                 Date: 04.10.2010 – 09.10.2010 Topic: Preparation of holographically generated gratings from polymer-nanoparticles composites for small angle neutron diffraction experiments at Paul Scherrer Institute (PSI), Villigen, Switzerland   University of Vienna, Faculty of Physics: Date 27.06.2011 – 02.07.2011 Topic: Preparation of holographically generated gratings from D-PMMA and polymer-nanoparticles composites for small angle neutron diffraction experiments at Institute Laue Langevin (ILL)   Institute Laue Langevin (ILL), Grenoble, France: Date: 25.07.2011 – 04.08.2011 Proposal Nr. 3-14-294 Topic: Small angle scattering experiment with very cold neutrons at instrument PF2 Experiment title: Holographic grating mirrors for very cold neutrons   Institute Laue Langevin (ILL), Grenoble, France: Date: 07.06.2012 – 13.06.2012 Proposal Nr. 1-20-25 Topic: Small angle scattering experiment with very cold neutrons at instrument PF2 Experiment title: Holographic absorption gratings recorded in CdSe nanoparticle-polymer composites for neutron optics   Institute Laue Langevin (ILL), Grenoble, France: Date: 23.11-2012 – 29.11.2012 Proposal Nr. 3-14-309 Topic: Small angle scattering experiment with very cold neutrons at instrument PF2 Experiment title: Angle amplification effect in holographic gratings   Institute Laue Langevin (ILL), Grenoble, France: Date: 18.02.2013 – 24.02.2013 Proposal Nr. 3-14-309 Topic: Small angle scattering experiment with very cold neutrons at instrument PF2 Experiment title: Angle amplification effect in holographic gratings   Institute Laue Langevin (ILL), Grenoble, France: Date: 19.11.2014 – 25.11.2014 Proposal Nr. 3-14-342 Topic: Small angle scattering experiment with very cold neutrons at instrument PF2 Experiment title: Test of a double holographic-grating spectrometer