Electromagnetic compatibility of transmitter, receiver, and communication port of a space-qualified laser altimeter

Kallenbach, Reinald; Behnke, T.; Perplies, H.; Henkelmann, R.; Rech, M.; Geissbuhler, U.; Peteut, A.; Lichopoj, A.; Schroedter, R.; Michaelis, H.; Seiferlin, Karsten Michael; Thomas, Nicolas; Castro, J. M.; Herranz, M.; Lara, L. (2016). Electromagnetic compatibility of transmitter, receiver, and communication port of a space-qualified laser altimeter. In: 2016 ESA Workshop on Aerospace EMC (Aerospace EMC) (pp. 1-7). IEEE 10.1109/AeroEMC.2016.7504591

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This paper reports on EMC issues of the laser transmitter, the photodiode receiver, and the communication port of the BepiColombo Laser Altimeter BELA during integration on ESA's Mercury Planetary Orbiter MPO. Parasitic currents originating in the active Q-switch electronics of BELA's diode-laser pumped Nd: YAG laser and from the high-power laser diode driver electronics interfered with the sensitive Si avalanche photodiode sensor operating at a noise floor of about 0.3 pA/root Hz in a bandwidth of 20 MHz, and with BELA's Spacewire port, corrupting about 3% of telemetry data to the MPO memory. The problems had been eliminated by implementing multi-point grounding.

Item Type:

Conference or Workshop Item (Paper)

Division/Institute:

08 Faculty of Science > Physics Institute > Space Research and Planetary Sciences

UniBE Contributor:

Kallenbach, Reinald; Seiferlin, Karsten Michael and Thomas, Nicolas

Subjects:

500 Science > 520 Astronomy
500 Science > 530 Physics
600 Technology > 620 Engineering

ISBN:

978-9-2922-1303-9

Publisher:

IEEE

Language:

English

Submitter:

Katharina Weyeneth-Moser

Date Deposited:

17 Jul 2017 12:32

Last Modified:

17 Jul 2017 12:32

Publisher DOI:

10.1109/AeroEMC.2016.7504591

BORIS DOI:

10.7892/boris.96904

URI:

https://boris.unibe.ch/id/eprint/96904

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