Zobrazeno 1 - 10
of 268
pro vyhledávání: '"Bernhard Schmauss"'
Publikováno v:
Polymers, Vol 16, Iss 2, p 168 (2024)
This contribution quantifies the birefringence within injection-molded cyclic olefin copolymer plates and discusses its impact on the mechanical properties of the plates. It also focuses on the impact of birefringence on integrated waveguides and Bra
Externí odkaz:
https://doaj.org/article/d06ff82e4e22490a8bddc2a908595723
Publikováno v:
Photonics, Vol 9, Iss 4, p 234 (2022)
This contribution demonstrates photonic crystal waveguides generated within bulk planar sapphire substrates. A femtosecond laser is used to modify the refractive index in a hexagonal pattern around the pristine waveguide core. Near-field measurements
Externí odkaz:
https://doaj.org/article/222540c4614c476b919ea952e4f4e16e
Publikováno v:
Sensors, Vol 21, Iss 11, p 3868 (2021)
In this article, we summarize our investigations on optimized 248 nm deep ultraviolet (UV) fabrication of highly stable epoxy polymer Bragg grating sensors and their application for biomedical purposes. Employing m-line spectroscopy, deep UV photosen
Externí odkaz:
https://doaj.org/article/ff4e43c6aaca403ebbd4510862fe879d
Autor:
Stefan Kefer, Theresia Sauer, Steffen Hessler, Michael Kaloudis, Bernhard Schmauss, Ralf Hellmann
Publikováno v:
Polymers, Vol 12, Iss 3, p 715 (2020)
This contribution demonstrates the functionality of polymer planar Bragg grating (PPBG) sensors integrated into commercial-grade carbon fiber reinforced polymer (CFRP) components. Multiple CFRP specimens are generated by curing a stack of pre-impregn
Externí odkaz:
https://doaj.org/article/a413afdcb2f146038ae97875a57080ec
Publikováno v:
Sensors, Vol 15, Iss 2, Pp 4264-4272 (2015)
We demonstrate the application of polymer planar Bragg gratings for multi-axial strain sensing and particularly highlight simultaneous 2D strain measurement. A polymer planar Bragg grating (PPBG) fabricated with a single writing step in bulk polymeth
Externí odkaz:
https://doaj.org/article/5a801fd3bd6140fc9af779e9ba813249
Publikováno v:
Sensors, Vol 19, Iss 19, p 4101 (2019)
Flexible epoxy waveguide Bragg gratings are fabricated on a low-modulus TPX™ polymethylpentene polyolefin substrate for an easy to manufacture and low-cost optomechanical sensor pad providing exceedingly multipurpose application potentials. Rectang
Externí odkaz:
https://doaj.org/article/954cc41709ec49c6b47ea2ece8792bc4
Autor:
Milad Yahyapour, Angelika Jahn, Katja Dutzi, Thomas Puppe, Patrick Leisching, Bernhard Schmauss, Nico Vieweg, Anselm Deninger
Publikováno v:
Applied Sciences, Vol 9, Iss 7, p 1283 (2019)
We apply a fast terahertz time-domain spectroscopy (TDS) system based on electronically controlled optical sampling (ECOPS) to contact-free thickness gauging. Our setup achieves a measurement speed of 1600 terahertz pulse traces per second, which—t
Externí odkaz:
https://doaj.org/article/5bdaa3c36cf8442681b339cf5ccc5b70
Autor:
Nikolaos Doulamis, Athanasios Voulodimos, Anastasios Doulamis, Matthaios Bimpas, Aikaterini Angeli, Nikolaos Bakalos, Alessandro Giusti, Panayiotis Philimis, Antonio Varriale, Alessio Ausili, Sabato D’Auria, George Lampropoulos, Matthias Baer, Bernhard Schmauss, Stephan Freitag, Bernhard Lendl, Krzysztof Młynarczyk, Aleksandra Sosna-Głębska, Artur Trajnerowicz, Jarosław Pawluczyk, Mateusz Żbik, Jacek Kułakowski, Panagiotis Georgiadis, Stéphane Blaser, Nicola Bazzurro
Publikováno v:
Sensors, Vol 19, Iss 1, p 33 (2018)
In this paper, we present WaterSpy, a project developing an innovative, compact, cost-effective photonic device for pervasive water quality sensing, operating in the mid-IR spectral range. The approach combines the use of advanced Quantum Cascade Las
Externí odkaz:
https://doaj.org/article/787dbca1dadc4b42b8e979644e72a1e7
Publikováno v:
Fibers, Vol 6, Iss 3, p 65 (2018)
Step-index polymer optical fibers (SI-POFs) are deployed in both sensing and data transmission systems. The optical transmission behavior of these fibers is complex and affected by intrinsic influences like modal dispersion, scattering and attenuatio
Externí odkaz:
https://doaj.org/article/e41ffd381233434ab40c93b370c234f2
Publikováno v:
Sensors, Vol 18, Iss 7, p 2319 (2018)
Polymer optical fibers (POFs) have been proposed for optical strain sensors due to their large elastic strain range compared to glass optical fibers (GOFs). The phase response of a single-mode polymer optical fiber (SM-POF) is well-known in the liter
Externí odkaz:
https://doaj.org/article/9d715062eddf47f49783401701216d28