|  | 14:00 | GR 4.1 | Silicon - A potential test mass material for future GW detectors — •Jessica Steinlechner, Gerd Hofmann, Alexander Khalaidovski, Julius Komma, Christoph Krüger, Christian Schwarz, Sebastian Steinlechner, Ronny Nawrodt, and Roman Schnabel | 
        
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              |  | 14:15 | GR 4.2 | Optical properties of silicon — •Julius Komma, Gerd Hofmann, Christian Schwarz, Daniel Heinert, Jessica Steinlechner, Roman Schnabel, Paul Seidel, and Ronny Nawrodt | 
        
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              |  | 14:30 | GR 4.3 | Mechanical loss of sapphire at low temperatures — •Gerd Hofmann, Julius Komma, Christian Schwarz, Daniel Heinert, Paul Seidel, Andreas Tünnermann, and Ronny Nawrodt | 
        
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              |  | 14:45 | GR 4.4 | Silicon surfaces and its impact on gravitational wave detectors — •Christian Schwarz, Julius Komma, Gerd Hofmann, Daniel Heinert, Stefanie Kroker, Andreas Tünnermann, Paul Seidel, and Ronny Nawrodt | 
        
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              |  | 15:00 | GR 4.5 | Thermal noise in grating reflectors — •Daniel Heinert, Stefanie Kroker, Daniel Friedrich, Stefan Hild, Iain Martin, Ronny Nawrodt, Paul Seidel, Andreas Tünnermann, Sergey Vyatchanin, and Kazuhiro Yamamoto | 
        
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              |  | 15:15 | GR 4.6 | Anomalous dynamic back-action in interferometers: beyond the scaling law — •Sergey Tarabrin, Farid Khalili, Klemens Hammerer, Henning Kaufer, and Roman Schnabel | 
        
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              |  | 15:30 | GR 4.7 | Diffraktive Optiken in 2. Ordnung Littrow für zukünftige Gravitationswellendetektoren. — •Christoph Krüger, Alexander Khalaidovski, Michael Britzger, Stefanie Kroker, Ernst-Bernhard Kley, Andreas Tünnermann, Karsten Danzmann und Roman Schnabel | 
        
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              |  | 15:45 | GR 4.8 | Dynamic tuning for a signal recycled interferometer. — •Dmitry Simakov | 
        
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