Search Results - "Engelbrecht, Sebastian"

Low loss and magnetic field-tunable superconducting terahertz metamaterial by Jin, Biaobing, Zhang, Caihong, Engelbrecht, Sebastian, Pimenov, Andrei, Wu, Jingbo, Xu, Qinyin, Cao, Chunhai, Chen, Jian, Xu, Weiwei, Kang, Lin, Wu, Peiheng

“…Superconducting terahertz (THz) metamaterial (MM) made from niobium (Nb) film has been investigated using a continuous-wave THz spectroscopy. The quality…”
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Spectral Shaping of a Superluminescent Diode for Terahertz Cross-Correlation Spectroscopy by Tybussek, Kai-Henning, Kolpatzeck, Kevin, Cherniak, Vladyslav, Engelbrecht, Sebastian, Fischer, Bernd, Balzer, Jan C.

“…After 20 years of terahertz cross-correlation spectroscopy (THz-CCS), the performance of the systems has been improved to practical relevance by reaching a…”
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Extraction of Fickian water diffusion in polymers using terahertz time-domain spectroscopy by Engelbrecht, Sebastian, Pichot, Vincent, Goepfert, Thomas, Lin, Hungyen, Fischer, Bernd M.

“…The dynamic behavior of polycarbonate and poly(methyl methacrylate) upon water immersion at temperatures of 40 °C and 70 °C was studied by gravimetric…”
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Through-substrate terahertz time-domain reflection spectroscopy for environmental graphene conductivity mapping by Lin, Hungyen, Burton, Oliver J., Engelbrecht, Sebastian, Tybussek, Kai-Henning, Fischer, Bernd M., Hofmann, Stephan

“…We demonstrate how terahertz time-domain spectroscopy (THz-TDS) operating in reflection geometry can be used for quantitative conductivity mapping of large…”
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Terahertz Devices Using the Optical Activation of GeTe Phase Change Materials: Toward Fully Reconfigurable Functionalities by Pinaud, Maxime, Humbert, Georges, Engelbrecht, Sebastian, Merlat, Lionel, Fischer, Bernd M, Crunteanu, Aurelian

“…Multifunctional terahertz (THz) devices are crucial for the development of practical applications such as high-speed communications, spectroscopy, and imaging,…”
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Terahertz Devices Using the Optical Activation of GeTe Phase Change Materials: Toward Fully Reconfigurable Functionalities by Pinaud, Maxime, Humbert, Georges, Engelbrecht, Sebastian, Merlat, Lionel, Fischer, Bernd, Crunteanu, Aurelian

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Reversible terahertz dielectric properties of hygrothermally aged polymers by Li, Xiaoran, Goepfert, Thomas, Pichot, Vincent, Ng, Brian W.H., Engelbrecht, Sebastian, Fischer, Bernd M., Lin, Hungyen

“…Terahertz time-domain spectroscopy (THz-TDS) has been shown to quantify water absorption in hygrothermally aged polymers. Here we demonstrate that THz-TDS can…”
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An investigation of water diffusion in polymers with terahertz time-domain spectroscopy by Engelbrecht, Sebastian, Pichot, Vincent, Goepfert, Thomas, Lin, Hungyen, Fischer, Bernd M.

“…Water plays an important role in the degradation of polymers. Diffusion across bulk polymers is commonly investigated by gravimetric and capacitive techniques…”
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Terahertz Devices Using the Optical Activation of GeTe Phase Change Materials: Towards Fully Reconfigurable Functionalities by Pinaud, Maxime, Humbert, Georges, Engelbrecht, Sebastian, Merlat, Lionel, Fischer, Bernd, Crunteanu, Aurelian

“…We are demonstrating the optical control of a specific state of the germanium telluride (GeTe) phase change material and its integration as control element for…”
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Terahertz radiation from a spectrally shaped Super Luminescent Diode by Tybussek, Kai-Henning, Engelbrecht, Sebastian, Fischer, Bernd M., Author, Third C.

“…We present a Terahertz time domain spectroscopy system (THz TDS) in a frequency range up to 1.8 THz based on a Super Luminescent Diode (SLD). The spectrum of…”
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Short-time Fourier Transform with Adaptive Windowing Size for THz-TDS by Song, Jun, Engelbrecht, Sebastian, Fischer, Bernd M., Lin, Hungyen

“…An adaptive windowing short-time Fourier transform algorithm is proposed where the width of short-time window is adaptively adjusted based on the frequencies…”
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Environmental graphene conductivity sensing using terahertz time-domain reflection spectroscopy by Lin, Hungyen, Burton, Oliver J., Engelbrecht, Sebastian, Tybussek, Kai-Henning, Fischer, Bernd M., Hofmann, Stephan

“…We demonstrate how reflection terahertz time-domain spectroscopy (THz-TDS) can be used to measure conductivity of large area graphene films through silicon…”
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THz- TDS on Polymers: Monitoring Thermo-Oxidative Ageing and Crystallization Kinetics by Engelbrecht, Sebastian, Tybussek, Kai-Henning, Fischer, Bernd, Sommer, Stefan

“…THz- TDS is used to non-destructively study the behavior of different polymers under thermo-oxidative ageing conditions. Furthermore, it is also possible to…”
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Ultra-broadband THz time-domain spectroscopy of energetic materials by Kaltenecker, Korbinian J., Binbin Zhou, Engelbrecht, Sebastian, Fischer, Bernd, Jepsen, Peter U.

“…Ultra-broadband THz spectroscopy based on photomixing in air plasma allows to exploit an extended frequency range, up to 20 THz and beyond. In this work, we…”
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Bridging the gap between the THz and IR frequency regime by Kaltenecker, Korbinian J., Binbin Zhou, Stenger, Nicolas, Engelbrecht, Sebastian, Fischer, Bernd, Jepsen, Peter U.

“…THz air photonics allow for the generation and detection of single-cycle sub-40 fs THz transients, which we use in a THz time-domain spectrometer to…”
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Ultra-broadband THz spectroscopy for sensing and identification for security applications by Kaltenecker, Korbinian, Zhou, Binbin, Tybussek, Kai-Henning, Engelbrecht, Sebastian, Lehmann, Roy, Walker, Stewart, Jepsen, P. U., Fischer, B. M.

“…Ultra-broadband THz data recorded by air-plasma based systems, as well as synchrotron data will be presented for sensing and identification applications. The…”
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Ultrabroadband THz time-domain spectroscopy of biomolecular crystals by Kaltenecker, Korbinian J., Engelbrecht, Sebastian, Iwaszczuk, Krzysztof, Fischer, Bernd M., Jepsen, Peter U.

“…Ultrabroadband THz time-domain spectroscopy based on two-color plasma generation and air biased coherent detection is used for the investigation of molecular…”
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Negative refraction in natural ferromagnetic metals by Engelbrecht, Sebastian, Shuvaev, Alexey Mikhailovich, Luo, Y, Moshnyaga, V, Pimenov, Andrei

“…It is generally believed that Veselago's criterion for negative refraction cannot be fulfilled in natural materials. However, considering imaginary parts of…”
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Low Loss and Magnetic Field-tuned Superconducting THz Metamaterial by Jin, Biaobing, Zhang, Caihong, Engelbrecht, Sebastian, Pimenov, Andrei, Wu, Jingbo, Xu, Qinyin, Cao, Chunhai, Chen, Jian, Xu, Weiwei, Kang, Lin, Wu, Peiheng

“…Superconducting terahertz (THz) metamaterial (MM) made from superconducting Nb film has been investigated using a continuous-wave THz spectroscopy with a…”
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