Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Björn Globisch"'
Autor:
Charbel Tannoury, Victor Merupo, Giuseppe Di Gioia, Vanessa Avramovic, David Troadec, Jean-François Lampin, Guillaume Ducournau, Steffen Breuer, Björn Globisch, Stefano Barbieri, Robert B. Kohlhaas, Emilien Peytavit
Publikováno v:
APL Photonics, Vol 8, Iss 11, Pp 116101-116101-8 (2023)
We present an optoelectronic mixer for the terahertz (THz) frequency-domain based on an iron-doped InGaAs layer integrated in a plasmonic microcavity. We show that this structure, under 1550-nm-wavelength illumination, allows for more than 70% absorp
Externí odkaz:
https://doaj.org/article/4264624bfc7d4c8e9f5e5132e63c9c5e
Autor:
Lars Liebermeister, Simon Nellen, Robert B. Kohlhaas, Sebastian Lauck, Milan Deumer, Steffen Breuer, Martin Schell, Björn Globisch
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-10 (2021)
Time-domain spectroscopy with terahertz frequencies typically requires complex and bulky systems. Here, the authors present an opto-electronics-based, frequency-domain terahertz sensing technique which offers competitive measurement performance in a
Externí odkaz:
https://doaj.org/article/ae4755c419454ee9bb0f08bbefd711be
Publikováno v:
Applied Sciences, Vol 12, Iss 8, p 3744 (2022)
Quality control of car body paint in the automotive industry is a promising industrial application of terahertz technology. Terahertz time-domain spectroscopy in reflection geometry enables accurate, fast, and nondestructive measurement of individual
Externí odkaz:
https://doaj.org/article/3d471e9d73d44cd484e8fb9f14b1290d
Publikováno v:
Applied Sciences, Vol 11, Iss 2, p 465 (2021)
Knowledge of the beam profiles of terahertz emitters is required for the design of terahertz instruments and applications, and in particular for designing terahertz communications links. We report measurements of beam profiles of an optoelectronic si
Externí odkaz:
https://doaj.org/article/144346a618f04daabf5b43ba0b09b2d7
Autor:
Robert B. Kohlhaas, Lars Liebermeister, Steffen Breuer, Marcel Amberg, David de Felipe, Simon Nellen, Martin Schell, Björn Globisch
Publikováno v:
Sensors, Vol 20, Iss 9, p 2616 (2020)
We present a fiber coupled transceiver head for terahertz (THz) time-domain reflection measurements. The monolithically integrated transceiver chip is based on iron (Fe) doped In0.53Ga0.47As (InGaAs:Fe) grown by molecular beam epitaxy. Due to its ult
Externí odkaz:
https://doaj.org/article/6d7c709a4be949c2af08df730af9d881
Autor:
Alexander Dohms, Steffen Breuer, Christoph Skrobol, Robert Kohlhaas, Lars Liebermeister, Martin Schell, Björn Globisch
Publikováno v:
Optics express. 30(12)
Semiconductor saturable absorber mirrors (SESAMs) are key devices for passive mode locking of numerous laser types and have been implemented for a variety of operational wavelengths ranging from 800 nm to 2400 nm. However, for 1560 nm the fabrication
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5949e222f21c24647eaddc70e6b0432
https://pubmed.ncbi.nlm.nih.gov/36224876
https://pubmed.ncbi.nlm.nih.gov/36224876
Autor:
Daniel Segovia-Vargas, Björn Globisch, Alejandro Rivera, Elliott R. Brown, Guillermo Carpintero del Barrio, A. Steiger
Publikováno v:
Fundamentals of Terahertz Devices and Applications
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10b09f6051b3199af771a74bb0756f12
https://doi.org/10.1002/9781119460749.ch3
https://doi.org/10.1002/9781119460749.ch3
Autor:
Amlan kusum Mukherjee, Sven Wassmann, Konstantin Wenzel, Björn Globisch, Robert Kohlhaas, Lars Liebermeister, Sascha Preu
Publikováno v:
Optics Express. 31:15131
Material characterisation and imaging applications using terahertz radiation have gained interest in the past few years due to their enormous potential for industrial applications. The availability of fast terahertz spectrometers or multi-pixel terah
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33b7d5b824d0c732963965134dd86ff8
https://doi.org/10.1364/oe.486562
https://doi.org/10.1364/oe.486562
Autor:
Martin Hoffmann, Björn Globisch, Thorsten Schultze, F. Wulf, Robert B. Kohlhaas, Dilyan Damyanov, Tim Vogel, Jan C. Balzer, S. Mansourzadeh, Clara J. Saraceno
Publikováno v:
IEEE Access, Vol 9, Pp 6268-6276 (2021)
The potential of pulsed THz radiation for time-of-flight imaging applications is well recognized. However, advances in this field are currently severely limited by the low average power of ultrafast THz sources. Typically, this results in impractical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebfd2d52276cacadad65d7ff0c2f0d35
https://ieeexplore.ieee.org/document/9312183/
https://ieeexplore.ieee.org/document/9312183/
Autor:
Felix Fobbe, Tim Vogel, Robert Kohlhaas, Frank Wulf, Björn Globisch, Marcel Van Delden, Benjamin Rudin, Florian Emaury, Thomas Musch, Clara J. Saraceno
Publikováno v:
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XV.
We demonstrate THz generation with a low noise GHz repetition rate laser with state-of-the-art photoconductive emitters. We measure a maximum dynamic range of 73 dB and a bandwidth of more than 3 THz.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93bc7702f55a708b62ebb2ea0fcac6cf
https://doi.org/10.1117/12.2608618
https://doi.org/10.1117/12.2608618