Mr. J. Niels Hovenier Profile

J. Niels Hovenier

at Technische Univ Delft

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 24 September 2012 Paper

Stabilized HEB-QCL heterodyne spectrometer at super-terahertz

Y. Ren, D. Hayton, J. Hovenier, M. Cui, J. Gao, T. Klapwijk, S. Shi, T.-Y. Kao, Q. Hu, J. Reno

Proceedings Volume 8452, 845210 (2012) https://doi.org/10.1117/12.925651

KEYWORDS: Quantum cascade lasers, Spectroscopy, Terahertz radiation, Absorption, Heterodyning, Oscillators, Bolometers, Sensors, Actuators, Signal detection

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Proceedings Article | 15 July 2010 Paper

Heterodyne gas cell measurements at 2.9 THz using a quantum cascade laser as local oscillator

Y. Ren, J. R. Gao, J. N. Hovenier, R. Higgins, W. Zhang, A. Bell, B. Klein, T. Klapwijk, S. C. Shi, T.-Y. Kao, S. Kumar, Q. Hu, J. Reno

Proceedings Volume 7741, 774118 (2010) https://doi.org/10.1117/12.857658

KEYWORDS: Quantum cascade lasers, Terahertz radiation, Heterodyning, Receivers, Oscillators, Temperature metrology, Spectroscopy, Spectrometers, Astronomy, Spectroscopes

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Proceedings Article | 26 September 2007 Paper

Noise temperature of a 4.3 THz HEB receiver

Pourya Khosropanah, Wouter Laauwen, Jian-Rong Gao, Merlijn Hajenius, J. Niels Hovenier, Teun Klapwijk

Proceedings Volume 6678, 667803 (2007) https://doi.org/10.1117/12.737332

KEYWORDS: Receivers, Terahertz radiation, Gas lasers, Heterodyning, Far infrared lasers, Oscillators, Antennas, Double sideband modulation, Optical pumping, Bolometers

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Proceedings Article | 25 January 2007 Paper

Some properties of a room temperature THz detection array

Irmantas Kašalynas, Aurèle Adam, Tjeerd Klaassen, Niels Hovenier, Grégory Pandraud, Ventzeslav Iordanov, Pasqualina Sarro

Proceedings Volume 6596, 65960J (2007) https://doi.org/10.1117/12.726404

KEYWORDS: Terahertz radiation, Sensors, Terahertz detection, Thin films, Tin, Absorption, Convolution, Gaussian beams, Imaging systems, Detector arrays

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Proceedings Article | 8 April 2004 Paper

Terahertz calorimetry: an absolute power meter for terahertz radiation and the absorptivity of the Herschel Space Observatory telescope mirror coating

Tjeerd Klaassen, J. Niels Hovenier, Jacqueline Fischer, Gerd Jakob, Albrecht Poglitsch, Oren Sternberg

Proceedings Volume 5354, (2004) https://doi.org/10.1117/12.526994

KEYWORDS: Terahertz radiation, Power meters, Mirrors, Silicon carbide, Coating, Space telescopes, Bidirectional reflectance transmission function, Absorption, Telescopes, Sensors

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Proceedings Article | 11 June 2003 Paper

Resonant states of carbon acceptor in p-InGaAs/GaAs -doped quantum well heterostructure

D. Gaponova, Vladimir Aleshkin, Vladimir Gavrilenko, D. Kozlov, V. Shastin, R. Zhukavin, B. Zvonkov, E. Uskova, J. Hovenier, Alexander van der Meer

Proceedings Volume 5023, (2003) https://doi.org/10.1117/12.513756

KEYWORDS: Quantum wells, Heterojunctions, Carbon, Absorption, Free electron lasers, Gallium arsenide, Physics, Doping, Semiconductors, Information operations

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Proceedings Article | 5 March 2003 Paper

Scattering of sub-millimeter radiation from rough surfaces: absorbers and diffuse reflectors for HIFI and PACS

Tjeerd Klaassen, John Blok, J. Niels Hovenier, Gerd Jakob, Dirk Rosenthal, Klaas Wildeman

Proceedings Volume 4850, (2003) https://doi.org/10.1117/12.461566

KEYWORDS: Specular reflections, Reflection, Silicon carbide, Scattering, Absorption, Light scattering, Polarization, Surface roughness, Foam, Bidirectional reflectance transmission function

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Proceedings Article | 12 November 1999 Paper

Superlattice detector as a fast direct detector and autocorrelator for terahertz radiation

Stephan Winnerl, Ekkehard Schomburg, S. Brandl, F. Klappenberger, Karl Renk, Alexander van der Meer, J. Hovenier, R. van Es, T. Klaasen, A. Ignatov, Nikolai Ledentsov, Victor Ustinov, Alexey Zhukov, Alexey Kovsh, Petr Kop'ev

Proceedings Volume 3795, (1999) https://doi.org/10.1117/12.370155

KEYWORDS: Superlattices, Sensors, Terahertz radiation, Picosecond phenomena, Antennas, Signal detection, Oscilloscopes, Temporal resolution, Gallium arsenide, Absorption

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Proceedings Article | 9 September 1999 Paper

Pulsed and mode-locked p-Ge THz laser: wavelength-dependent properties

Tjeerd Klaassen, J. Niels Hovenier, W. Wenckebach, Andrei Muravjov, Sergei Pavlov, Valery Shastin

Proceedings Volume 3828, (1999) https://doi.org/10.1117/12.361070

KEYWORDS: Pulsed laser operation, Mode locking, Mirrors, Modulation, Crystals, Terahertz radiation, Picosecond phenomena, Laser crystals, Adaptive optics, Reflectivity

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Proceedings Article | 13 November 1998 Paper

Active mode locking of a p-Ge hot-hole laser

J. Hovenier, Tjeerd Klaassen, W. Wenckebach, Andrei Muravjov, Sergei Pavlov, Valery Shastin

Proceedings Volume 3465, (1998) https://doi.org/10.1117/12.331145

KEYWORDS: Mode locking, Modulation, Pulsed laser operation, Picosecond phenomena, Terahertz radiation, Tunable lasers, Magnetism, Laser crystals, Phonons, Mirrors

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Showing 5 of 10 publications

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