Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Stefanie Kroker"'
Publikováno v:
Communications Engineering, Vol 3, Iss 1, Pp 1-8 (2024)
Abstract Interferometric sensors, renowned for their exceptional accuracy, leverage the wave properties of coherent electromagnetic radiation. The periodicity of the measurement signal often critically limits the measurement range of sensors utilizin
Externí odkaz:
https://doaj.org/article/e205e9f3d9804c2099539cbfcdb9bdc0
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-6 (2023)
Abstract This paper presents a study on the temperature dependent photo-elastic coefficient in single-crystal silicon with (100) and (110) orientations at a wavelength of 1550 nm. The measurement of the photo-elastic coefficient was performed using a
Externí odkaz:
https://doaj.org/article/d1aa1761d0144d7997c32f65f9b7c1ad
Autor:
Johannes Dickmann, Steffen Sauer, Jan Meyer, Mika Gaedtke, Thomas Siefke, Uwe Brückner, Jonathan Plentz, Stefanie Kroker
Publikováno v:
Communications Physics, Vol 6, Iss 1, Pp 1-5 (2023)
Meta-mirrors may help realize ultra-stable lasers for high-precision metrology, for applications like gravitational wave detection and quantum optics. The authors experimentally realize a new type of microstructured meta-mirror and use it to form a F
Externí odkaz:
https://doaj.org/article/c9aa256314fd4e21bd04a495bb523c37
Autor:
Tristan Briant, Stephan Krenek, Andrea Cupertino, Ferhat Loubar, Rémy Braive, Lukas Weituschat, Daniel Ramos, Maria Jose Martin, Pablo A. Postigo, Alberto Casas, René Eisermann, Daniel Schmid, Shahin Tabandeh, Ossi Hahtela, Sara Pourjamal, Olga Kozlova, Stefanie Kroker, Walter Dickmann, Lars Zimmermann, Georg Winzer, Théo Martel, Peter G. Steeneken, Richard A. Norte, Stéphan Briaudeau
Publikováno v:
Optics, Vol 3, Iss 2, Pp 159-176 (2022)
Temperature is one of the most relevant physical quantities that affects almost all processes in nature. However, the realization of accurate temperature standards using current temperature references, like the triple point of water, is difficult due
Externí odkaz:
https://doaj.org/article/db9100876fd840978f4719ab3de15def
Autor:
Tim Käseberg, Jana Grundmann, Thomas Siefke, Petr Klapetek, Miroslav Valtr, Stefanie Kroker, Bernd Bodermann
Publikováno v:
Frontiers in Physics, Vol 9 (2022)
Conventional spectroscopic ellipsometry is a powerful tool in optical metrology. However, when it comes to the characterization of non-periodic nanostructures or structured fields that are much smaller than the illumination spot size, it is not well
Externí odkaz:
https://doaj.org/article/7fc9c218682c425889afeb1ea31ff22e
Autor:
Alessandro Tuniz, Oliver Bickerton, Fernando J. Diaz, Thomas Käsebier, Ernst-Bernhard Kley, Stefanie Kroker, Stefano Palomba, C. Martijn de Sterke
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-8 (2020)
Chip-scale modular components are important for nanophotonic applications. Here, the authors demonstrate post-processing of a silicon-on-insulator waveguide into an integrated hybrid plasmonic circuit, consisting of a plasmonic rotator and a nanofocu
Externí odkaz:
https://doaj.org/article/04c4296875dc4469aa9d49f549169875
Autor:
Wenze Wu, Leonard Weber, Peter Hinze, Thomas Weimann, Thorsten Dziomba, Bernd Bodermann, Stefanie Kroker, Joan Daniel Prades, Hutomo Suryo Wasisto, Andreas Waag
Publikováno v:
Journal of the European Optical Society-Rapid Publications, Vol 15, Iss 1, Pp 1-10 (2019)
Abstract Background In this work, a nanostructured guided-mode resonance filter matrix with high transmission efficiency and narrow bandwidth is demonstrated. The developed nano-filter arrays have various usages, e.g., combined with the CMOS image se
Externí odkaz:
https://doaj.org/article/4dface3a9abb49128522319bb540d215
Autor:
Lukas Max Weituschat, Walter Dickmann, Joaquín Guimbao, Daniel Ramos, Stefanie Kroker, Pablo Aitor Postigo
Publikováno v:
Nanomaterials, Vol 10, Iss 5, p 934 (2020)
Staying in control of delicate processes in the evermore emerging field of micro, nano and quantum-technologies requires suitable devices to measure temperature and temperature flows with high thermal and spatial resolution. In this work, we design o
Externí odkaz:
https://doaj.org/article/a6c318feba3f4a059ecfcd3e92758871
Autor:
Zhanna Samsonova, Sebastian Höfer, Vural Kaymak, Skirmantas Ališauskas, Valentina Shumakova, Audrius Pugžlys, Andrius Baltuška, Thomas Siefke, Stefanie Kroker, Alexander Pukhov, Olga Rosmej, Ingo Uschmann, Christian Spielmann, Daniil Kartashov
Publikováno v:
Physical Review X, Vol 9, Iss 2, p 021029 (2019)
We report on experimental results in a new regime of relativistic light-matter interaction employing midinfrared (3.9-μm wavelength) high-intensity femtosecond laser pulses. In the laser-generated plasma, electrons reach relativistic energies alread
Externí odkaz:
https://doaj.org/article/ed9d74eeb8624589b4c282c8c2f1513b
Publikováno v:
tm - Technisches Messen. 89:438-446
Zusammenfassung Ellipsometrie ist eine der vielseitigsten Methoden zur optischen Nanostrukturcharakterisierung. Insbesondere die Müller-Matrix-Ellipsometrie ermöglicht die Messung von optischen oder geometrischen Parametern mit Genauigkeiten bis in