Dr. Wojtek Hajdas Profile

Dr. Wojtek Hajdas

at Paul Scherrer Institut

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Author

Publications (14)

Proceedings Article | 26 August 2024 Paper

Thermal modeling and experimental verification of the HEPS radiation monitor heat dissipation management

Wojtek Hajdas, Xinyu Wang

Proceedings Volume 13100, 131004M (2024) https://doi.org/10.1117/12.3025974

KEYWORDS: Thermal modeling, Copper, Sensors, Resistors, Sun, Equipment, Temperature metrology, Temperature sensors, Temperature distribution, Vacuum chambers

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Proceedings Article | 18 July 2016 Paper

Performance study of the gamma-ray bursts polarimeter POLAR

J. C. Sun, B. B. Wu, T. W. Bao, T. Batsch, T. Bernasconi, I. Britvitch, F. Cadoux, I. Cernuda, J. Y. Chai, Y. W. Dong, N. Gauvin, W. Hajdas, J. J. He, M. Kole, M. N. Kong, S. W. Kong, C. Lechanoine-Leluc, Lu Li, J. T. Liu, X. Liu, R. Marcinkowski, S. Orsi, M. Pohl, N. Produit, D. Rapin, A. Rutczynska, D. Rybka, H. L. Shi, L. M. Song, J. Szabelski, R. J. Wang, X. Wen, H. L. Xiao, S. L. Xiong, H. H. Xu, M. Xu, L. Zhang, L. Y. Zhang, S. N. Zhang, X. F. Zhang, Y. J. Zhang, A. Zwolinska

Proceedings Volume 9905, 99052P (2016) https://doi.org/10.1117/12.2232133

KEYWORDS: Polarization, Gamma radiation, Polarimetry, Sensors, Scintillators, Spatial resolution, Photons, Chemical elements, Stars, Solar radiation models

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Proceedings Article | 18 July 2016 Paper

PANGU: a wide field gamma-ray imager and polarimeter

X. Wu, R. Walter, M. Su, G. Ambrosi, P. Azzarello, M. Böttcher, J. Chang, M. Chernyakova, Y. Fan, C. Farnier, F. Gargano, I. Grenier, W. Hajdas, M. Mazziotta, M. Pearce, M. Pohl, A. Zdziarski

Proceedings Volume 9905, 99056E (2016) https://doi.org/10.1117/12.2231871

KEYWORDS: Gamma radiation, Silicon, Particles, Gamma radiation, Crystals, Charge-coupled devices, Prototyping, Electrons, Picosecond phenomena, Calibration, Space operations

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Proceedings Article | 24 July 2014 Paper

The POLAR gamma-ray burst polarimeter onboard the Chinese Spacelab

Silvio Orsi, Franck Cadoux, Catherine Leluc, Mercedes Paniccia, Martin Pohl, Divic Rapin, Neal Gauvin, Nicolas Produit, Tianwei Bao, Junying Chai, Yongwei Dong, Minnan Kong, Li Lu, Jiangtao Liu, Xin Liu, Haoli Shi, Jianchao Sun, Ruijie Wang, Xing Wen, Bobing Wu, Hualin Xiao, Hanhui Xu, Li Zhang, Laiyu Zhang, Shuangnan Zhang, Yongjie Zhang, Ilia Britvich, Wojtek Hajdas, Radoslaw Marcinkowski, Dominik Rybka, Tadeusz Batsch, Aleksandra Rutczynska, Jacek Szabelski, Ania Zwolinska

Proceedings Volume 9144, 91440M (2014) https://doi.org/10.1117/12.2055910

KEYWORDS: Photons, Polarization, Sensors, Synchrotron radiation, Gamma radiation, X-rays, Polarimetry, Modulation, Compton scattering, Attenuators

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Proceedings Article | 17 September 2012 Paper

POLAR: the first dedicated gamma-ray burst polarization experiment

T. Bao, T. Batsch, I. Britvitch, F. Cadoux, J. Chai, Y. Dong, N. Gauvin, W. Hajdas, M. Kong, C. Lechanoine-Leluc, Lu Li, J. Liu, X. Liu, R. Marcinkowski, S. Orsi, M. Pohl, N. Produit, D. Rapin, A. Rutczynska, D. Rybka, H. Shi, J. Sun, J. Szabelski, R. Wang, X. Wen, B. Wu, H. Xiao, H. Xu, Li Zhang, L. Zhang, S. Zhang, Y. Zhang, A. Zwolinska

Proceedings Volume 8443, 84434Q (2012) https://doi.org/10.1117/12.925635

KEYWORDS: Polarization, Scintillators, Gamma radiation, Photons, Sensors, Polarimetry, Monte Carlo methods, Field programmable gate arrays, Synchrotron radiation, Space operations

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Proceedings Article | 15 July 2008 Paper

EURECA: a European-Japanese microcalorimeter array

Piet de Korte, Jose Anquita, Xavier Barcons, Paolo Bastia, Joern Beyer, Fernando Briones, Marcel Bruijn, Javier Bussons, Augustin Camón, F. Carrera, Maria Teresa Ceballos, Luca Colasanti, Bob Dirks, Dietmar Drung, Lourdes Fabrega, Flavio Gatti, Raquel Gonzalez-Arrabal, Luciano Gottardi, Wojtek Hajdas, Panu Helistö, Jan-Willem den Herder, Henk Hoevers, Yoshitaka Ishisaki, Mikko Kiviranta, Jan van der Kuur, Claudio Macculi, Aliko Mchedlishvili, Kazu Mitsuda, Stéphane Paltani, Maria Parra-Borderías, Luigi Piro, Reiner Rohlfs, Javier Sese, Yoh Takei, Guido Torrioli, Noriko Yamasaki

Proceedings Volume 7011, 701122 (2008) https://doi.org/10.1117/12.788963

KEYWORDS: Fused deposition modeling, Electronics, X-rays, Amplifiers, Detector arrays, Feedback loops, Sensors, X-ray astronomy, Head, Spectroscopy

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Proceedings Article | 18 July 2006 Paper

Wide field compact detector for hard x-ray polarization measurements

W. Hajdas, N. Produit, E. Suarez-Garcia, F. Barao, C. Casella, K. Deiters, S. Deluit, C. Leluc, A. Mchedlishvilli, M. Pohl, D. Rapin, Ch. Tao, J.-P. Vialle, R. Walter, C. Wigger, A. Zehnder

Proceedings Volume 6266, 62662W (2006) https://doi.org/10.1117/12.672067

KEYWORDS: Sensors, Polarization, Scintillators, Modulation, Gamma radiation, Polarimetry, Photon polarization, Compton scattering, X-rays, Monte Carlo methods

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Proceedings Article | 13 June 2006 Paper

EURECA: a European-Japanese micro-calorimeter array

Piet de Korte, Jose Anquita, Xavier Barcons, Paolo Bastia, Joern Beyer, Fernando Briones, Chris Brockley Blatt, Marcel Bruijn, Javier Bussons, Augustin Camon, M. Teresa Ceballos, Dietmar Drung, Christian Enns, Lourdes Fabrega, George Fraser, Flavio Gatti, Luciano Gottardi, Wojtek Hajdas, Panu Helistö, Ian Hepburn, Jan-Willem den Herder, Henk Hoevers, Yoshitaka Ishisaki, Mikko Kiviranta, Jan van der Kuur, Aliko Mchedlishvili, Kazu Mitsuda, Luigi Piro, Javier Sese, Noriko Yamasaki, Chris Whitford

Proceedings Volume 6266, 62661Z (2006) https://doi.org/10.1117/12.672971

KEYWORDS: Amplifiers, Electronics, Fused deposition modeling, Sensors, X-rays, X-ray astronomy, Detector arrays, Head, Imaging arrays, Inductance

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Proceedings Article | 11 March 2003 Paper

Nonsolar astronomy with the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI)

David Smith, Robert Lin, Kevin Hurley, Wayne Coburn, Gordon Hurford, Claudia Wigger, W. Hajdas, Alex Zehnder, Mark McConnell

Proceedings Volume 4851, (2003) https://doi.org/10.1117/12.461415

KEYWORDS: Sensors, Solar energy, Photons, Imaging systems, Gamma radiation, Spectroscopy, Space operations, Modulation, Imaging spectroscopy, Magnetism

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Proceedings Article | 13 December 2000 Paper

Beam test of the BGO anticoincidence shield for IBIS on INTEGRAL

Jens Poulsen, Paolo Sarra, W. Hajdas, Pietro Ubertini, E. Quadrini, Piotr Orleanski, Kjell Bronstad, Antony Bird, Giampiero de Cesare, Arne Solberg, P. Bastia

Proceedings Volume 4140, (2000) https://doi.org/10.1117/12.409124

KEYWORDS: Sensors, Light emitting diodes, Gamma radiation, Crystals, Imaging systems, Interfaces, Calibration, Energy efficiency, Finite element methods, Satellites

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Proceedings Article | 18 July 2000 Paper

Calibrating the imaging system of the high-energy solar spectroscopic imager (HESSI)

Knud Thomsen, Jacek Bialkowski, F. Burri, Martin Fivian, W. Hajdas, A. Mchedlishvili, P. Ming, J. Welte, Alex Zehnder

Proceedings Volume 4012, (2000) https://doi.org/10.1117/12.391588

KEYWORDS: Imaging systems, Imaging spectroscopy, Calibration, Solar energy, Solar processes, Modulation, Space operations, Spectroscopy, Spatial resolution, Hard x-rays

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Proceedings Article | 18 July 2000 Paper

Calibrating the aspect systems of the high-energy solar spectroscopic imager (HESSI)

Martin Fivian, Jacek Bialkowski, W. Hajdas, Reinhold Henneck, A. Mchedlishvili, P. Ming, Knud Thomsen, Alex Zehnder, Gordon Hurford, David Curtis, David Pankow, Brian Dennis

Proceedings Volume 4012, (2000) https://doi.org/10.1117/12.391587

KEYWORDS: Charge-coupled devices, Stars, Sun, Imaging systems, Calibration, Solar energy, Space operations, CCD image sensors, Spatial resolution, Imaging spectroscopy

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Proceedings Article | 22 October 1999 Paper

Roll Angle System (RAS) for the High-Energy Solar Spectroscopic Imager HESSI

Reinhold Henneck, Jacek Bialkowski, F. Burri, Martin Fivian, W. Hajdas, A. Mchedlishvili, P. Ming, Knud Thomsen, J. Welte, Alex Zehnder, M. Dettwyler, F. Buerki, Gordon Hurford, David Curtis, David Pankow

Proceedings Volume 3765, (1999) https://doi.org/10.1117/12.366530

KEYWORDS: Stars, Charge-coupled devices, Sun, Imaging systems, Satellites, Reflectivity, Imaging spectroscopy, Spectroscopy, Space operations, Scanners

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Proceedings Article | 22 October 1999 Paper

Solar Aspect System (SAS) for the High-Energy Solar Spectroscopic Imager (HESSI)

Reinhold Henneck, Jacek Bialkowski, F. Burri, Martin Fivian, W. Hajdas, A. Mchedlishvili, P. Ming, Knud Thomsen, J. Welte, Alex Zehnder, Brian Dennis, Gordon Hurford, David Curtis, David Pankow

Proceedings Volume 3765, (1999) https://doi.org/10.1117/12.366560

KEYWORDS: Charge-coupled devices, Sun, Imaging systems, Space operations, Solar energy, Fermium, Frequency modulation, Data processing, Light emitting diodes, Imaging spectroscopy

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Showing 5 of 14 publications

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