Sascha Krause

Gästforskare vid Onsala rymdobservatorium

Sascha Krause flyttade till Sverige 2011 för att studera på masterprogrammet Wireless, Photonics and Space Engineering efter att han tagit examen i Elektroteknik 2011 i Magdeburg, Tyskland. Det utmanande ämnet att utveckla THz-mottagartekniker ledde till att han 2013 blev doktorand i enheten Avancerad mottagarutveckling (GARD).

Arbetet handlar mestadels om förbättrandet av supraledande material och teknik använd av radiomottagare vid astronomiska obsvervationer i THz-frekvensradien. Dessa frekvensband är särskilt värdefulla när man undersöker processer relaterade till kall massa, som t.ex. vid stjärnfödslar.

Sascha har även erfarenhet i nanofabrikationslaboratrium, speciellt inom tunnfilmavsättningstekniker och mikrofabrikation, sedan 2012.

Källa: chalmers.se

Kontaktuppgifter

Publikationer (25)
Projekt (0)

Visar 25 publikationer

2019

Interface Layers of Niobium Nitride Thin Films

A. Lubenschenko, V. A. Iachuk, Sascha Krause et al

Journal of Physics: Conference Series. Vol. 1410 (1)

Paper i proceeding

2019

Improved bandwidth of a 2THz hot-electron bolometer heterodyne mixer fabricated on sapphire with a GaN buffer layer

S. Antipov, A. Trifonov, Sascha Krause et al

Superconductor Science and Technology. Vol. 32 (7)

Artikel i vetenskaplig tidskrift

2019

Native oxide on ultra-thin NbN films

A. Lubenschenko, Alexey Pavolotskiy, Sascha Krause et al

ISSTT 2019 - 30th International Symposium on Space Terahertz Technology, Proceedings Book, p. 95-98

Paper i proceeding

2018

Suspended GaN beams and membranes on Si as a platform for waveguide-based THz applications

Sascha Krause, Vincent Desmaris, A. Pavolotsky et al

Journal of Micromechanics and Microengineering. Vol. 28 (10)

Artikel i vetenskaplig tidskrift

2018

Noise performance of a balanced waveguide NbN HEB mixer utilizing a GaN buffer-layer at 1.3 THz

Sascha Krause, Denis Meledin, Vincent Desmaris et al

2018 29th IEEE International Symposium on Space Terahertz Technology, ISSTT 2018, p. 36-39

Paper i proceeding

2018

Noise and IF Gain Bandwidth of a Balanced Waveguide NbN/GaN Hot Electron Bolometer Mixer Operating at 1.3 THz

Sascha Krause, Denis Meledin, Vincent Desmaris et al

IEEE Transactions on Terahertz Science and Technology. Vol. 8 (3), p. 365-371

Artikel i vetenskaplig tidskrift

2018

ALMA Band 5 receiver cartridge: Design, performance, and commissioning

Victor Belitsky, Maria Bylund, Vincent Desmaris et al

Astronomy and Astrophysics. Vol. 611

Artikel i vetenskaplig tidskrift

2018

XPS Study of Niobium and Niobium-Nitride Nanofilms

A. Lubenschenko, A Batrakov, I. V. Shurkaeva et al

Journal of Surface Investigation. Vol. 12 (4), p. 692-700

Artikel i vetenskaplig tidskrift

2018

SEPIA - A new single pixel receiver at the APEX telescope

Victor Belitsky, Igor Lapkin, Mathias Fredrixon et al

Astronomy and Astrophysics. Vol. 612

Artikel i vetenskaplig tidskrift

2017

XPS Depth Profiling of Air-Oxidized Nanofilms of NbN on GaN Buffer-Layers

AV Lubenchenko, AA Batrakov, Sascha Krause et al

Journal of Physics: Conference Series. Vol. 917 (9)

Paper i proceeding

2017

An XPS method for layer profiling of NbN thin films

Alexander Lubenchenko, A Batrakov, Alexey Pavolotskiy et al

EPJ Web of Conferences. Vol. 132, p. Art no 03053-

Paper i proceeding

2017

Reduction of Phonon Escape Time for NbN Hot Electron Bolometers by Using GaN Buffer Layers

Sascha Krause, Vladislav Mityashkin, Sergey Antipov et al

IEEE Transactions on Terahertz Science and Technology. Vol. 7 (1), p. 53-59

Artikel i vetenskaplig tidskrift

2017

Gain bandwidth of NbN HEB mixers on GaN buffer layer operating at 2 THz local oscillator frequency

Sergey Antipov, Andrey Trifonov, Sascha Krause et al

28th International Symposium on Space Terahertz Technology, March 13-15, 2017

Paper i proceeding

2017

Design of a wideband balanced waveguide HEB mixer employing a GaN buffer-layer for the 1-1.5 THz band

Sascha Krause, Denis Meledin, Vincent Desmaris et al

28th International Symposium on Space Terahertz Technology

Paper i proceeding

2016

X-RAY PHOTOELECTRON SPECTROSCOPY FOR LAYER-BY-LAYER PHASE ANALYSIS OF NbN THIN FILMS

Alexander Lubenchenko, Alexander Batrakov, Alexey Pavolotskiy et al

25th Spectroscopy Meeting, p. 415-

Paper i proceeding

2016

Ultra-thin Niobium Nitride Films for Hot Electron Bolometer and THz Applications

Sascha Krause

Licentiatavhandling

2016

Broken-step Phenomenon in SIS Mixers

Andrey Ermakov, Victor Belitsky, Parisa Yadranjee Aghdam et al

27th International Symposium on Space Terahertz Technology, ISSTT 2016, Nanjing, China

Paper i proceeding

2016

Study of IF bandwidth of NbN hot electron bolometers on GaN buffer layer using a direct measurement method

Sascha Krause, Vladislav Mityashkin, Sergey Antipov et al

27th International Symposium on Space Terahertz Technology, ISSTT 2016, Nanjing, China, p. 3-

Paper i proceeding

2016

Frequency Multiplier Based on Distributed Superconducting Tunnel Junctions: Theory, Design, and Characterization

Hawal Marouf Rashid, Sascha Krause, Denis Meledin et al

IEEE Transactions on Terahertz Science and Technology. Vol. 6 (5), p. 724-736

Artikel i vetenskaplig tidskrift

2016

Ambient temperature growth of mono- and polycrystalline NbN nanofilms and their surface and composition analysis

Sascha Krause, Victor Afanas'ev, Vincent Desmaris et al

IEEE Transactions on Applied Superconductivity. Vol. 26 (3)

Artikel i vetenskaplig tidskrift

2015

Ambient temperature growth of mono- and polycrystalline NbN nanofilms and their rigorous composition and surface analysis

Sascha Krause, V. Afanas'ev, Vincent Desmaris et al

European Conference on Applied Superconductivity

Paper i proceeding

2014

Study of NbN Ultra-thin Films for THz Hot-electron Bolometers

Victor P. Afanas'ev, Sascha Krause, Alexander V. Lubenchenko et al

25th International Sympsoium on Space Terahertz Technology, ISSTT 2014; Moscow; Russian Federation; 27 April 2014 through 30 April 2014, p. 141-143

Paper i proceeding

2014

Deposition of high-quality ultra-thin NbN films at ambient temperatures

Sascha Krause, Vincent Desmaris, Denis Meledin et al

25th International Sympsoium on Space Terahertz Technology, ISSTT 2014; Moscow; Russian Federation; 27 April 2014 through 30 April 2014, p. 139-140

Paper i proceeding

2014

Epitaxial growth of ultra-thin NbN films on AlxGa1-xN buffer-layers

Sascha Krause, Denis Meledin, Vincent Desmaris et al

Superconductor Science and Technology. Vol. 27 (6)

Artikel i vetenskaplig tidskrift

2013

Ultra-thin film NbN depositions for HEB heterodyne mixer on Si-substrates

Sascha Krause, Vincent Desmaris, Alexey Pavolotskiy et al

Proceedings of the 24th International Symposium on Space Terahertz Technology

Paper i proceeding

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