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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2025-10-26 22:20 |
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Conference: Bucharest University Faculty of Physics 2018 Meeting
Section: Atomic and Molecular Physics. Astrophysics. Applications
Title:
High-power UV LED source system for tracking calibration of orbital telescopes
Authors:
G. CHIRIȚOI (1), E. M. POPESCU(1), A. CARAMETE(1), L. CARAMETE(1), A. PĂVĂLAȘ(1), R. BALAȘOV(1), F. A. POPESCU(1), A. JIPA(2),
*
Affiliation:
1) Institute of Space Science, Magurele, Romania
2) Faculty of Physics, University of Bucharest, Romania
E-mail
gabriel.chiritoi@spacescience.ro
Keywords:
Calibration, TUS, JEM-EUSO, EAS, UHECR, UV telescope, pixelated detector, UV LED, GLS
Abstract:
All EUSO missions, such as Mini-EUSO, K-EUSO or JEM-EUSO, as well as the TUS mission will require the use of a Ground Light System (GLS) for instrument in-orbit periodic calibration. Insofar, and owing essentially to the AUGER GLS, the available light sources have been mainly lasers and Xe flash-lamps systems originally developed and used for the calibration of ground-based UV telescopes. As such, we will present a preliminary study of a high-power UV LED-based light source prototype system developed for use as part of the GLS system for in-orbit calibration purposes. Such a light source could provide a more cost-efficient high mobility alternative for the GLS stations planned to be deployed at several locations on the globe along the UV telescopes ground-track.
References:
1.E. M. Popescu et al., „Analysis of a ground based system for the calibration of orbital UV telescopes with pixelated detectors,” Romanian Reports in Physics, vol. 68, nr. 2, pp. 530-542, 2016.
2.G. Chiritoi et al., "Atmospheric Effects for the Ground-Based Calibration of Orbital UV Telescopes" - PoS (ICRC2015) 586.
Acknowledgement:
This work was supported by a grand of the Romania National Authority for Scientific Research and Innovation, CNCS/CCCDI – UEFISCDI, project number PN-III-P2-2.1-PED-2016-0584
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