Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Kurt Gunderson"'
Autor:
Kurt Gunderson, Nicolas Thomas
Publikováno v:
Planetary and Space Science. 58:309-318
Performance modeling of the BepiColombo laser altimeter (BELA) receiver has been performed in the context of return pulse detection probability and measurement accuracies. Models have been extended beyond earlier work [Gunderson, K., Thomas, N., Rohn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bf1d48380ed4dd4ef5d0d1e6ec69b95
https://doi.org/10.1016/j.pss.2009.08.006
https://doi.org/10.1016/j.pss.2009.08.006
Autor:
Kurt Gunderson, Nicolas Thomas
Publikováno v:
Planetary and Space Science. 56:1925-1938
Polarimetric reflectance measurements have been made at a wavelength of ∼ 1 μ m for a suite of predominantly lunar regolith simulants in support of development efforts for the BepiColombo Laser Altimeter (BELA). Measurements were made using an ins
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88a332c9fdd90999a0ee34bcab8767cf
https://doi.org/10.1016/j.pss.2008.09.004
https://doi.org/10.1016/j.pss.2008.09.004
Publikováno v:
Planetary and Space Science. 55:1272-1282
The bidirectional reflectance of dry and wet Martian regolith simulant has been measured. Measurements were performed using a scattered light measurement apparatus and a variety of optical bandpass filters ranging from the blue to the near infrared.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e8d6a2e7e8d119a83e77be05f9fb85b
https://doi.org/10.1016/j.pss.2007.03.004
https://doi.org/10.1016/j.pss.2007.03.004
Publikováno v:
Planetary and Space Science. 54:1046-1056
We have constructed an experiment to perform bidirectional reflectance distribution function (BRDF) measurements of laboratory samples, and have used the experiment to characterize a sample of JSC-1 lunar regolith simulant. Characterizations relied o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::837aa1e2b2e600e1b431cc04b3683e85
https://doi.org/10.1016/j.pss.2005.12.020
https://doi.org/10.1016/j.pss.2005.12.020
Autor:
Pascale Ehrenfreund, Karsten Seiferlin, Kurt Gunderson, Alessandro Maturilli, E. Hütter, James Garry, Jonathan Merrison, Günter Kargl
Publikováno v:
Seiferlin, K, Ehrenfreund, P, Garry, J, Gunderson, K, Hütter, E, Kargl, G, Maturilli, A & Merrison, J P 2009, ' Simulating Martian regolith in the laboratory ', Planetary and Space Science, vol. 56, no. 15, pp. 2009-2025 . https://doi.org/10.1016/j.pss.2008.09.017
Regolith and dust cover the surfaces of the Solar Systems solid bodies, and thus constitute the visible surface of these objects. The topmost layers also interact with space or the atmosphere in the case of Mars, Venus and Titan. Surface probes have
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f15588bad662991b4feed954fc78712
https://pure.au.dk/portal/da/publications/simulating-martian-regolith-in-the-laboratory(ca37d370-ff6c-11dd-a987-000ea68e967b).html
https://pure.au.dk/portal/da/publications/simulating-martian-regolith-in-the-laboratory(ca37d370-ff6c-11dd-a987-000ea68e967b).html
Autor:
Juergen Oberst, Kurt Gunderson, Martin Hilchenbach, James A. Whitby, P. H. Lognonné, Mark A. Wieczorek, Domenico Giardini, P. L. Lamy, L. M. Lara, Nicolas Thomas, D. Resendes, Véronique Dehant, Rafael Rodrigo, Ernst Hauber, Olivier Groussin, Jean-Pierre Barriot, Harald Michaelis, Ulrich R. Christensen, Luciano Iess, Sho Sasaki, Tilman Spohn, Willy Benz, Gerhard Beutler, Carsten Fallnich, Karsten Seiferlin, J.-L. Reynaud, J. J. López-Moreno
Publikováno v:
Planetary and Space Science
Planetary and Space Science, Elsevier, 2007, 55 (10), pp.1398-1413. ⟨10.1016/j.pss.2007.03.003⟩
Planetary and Space Science, 2007, 55 (10), pp.1398-1413. ⟨10.1016/j.pss.2007.03.003⟩
Planetary and Space Science, Elsevier, 2007, 55 (10), pp.1398-1413. ⟨10.1016/j.pss.2007.03.003⟩
Planetary and Space Science, 2007, 55 (10), pp.1398-1413. ⟨10.1016/j.pss.2007.03.003⟩
International audience; The BepiColombo Laser Altimeter (BELA) has been selected for flight on board the European Space Agency's BepiColombo Mercury Planetary Orbiter (MPO). The experiment is intended to be Europe's first planetary laser altimeter sy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::003e718250275ae0ea2b2f0cf14b5f75
https://hal.archives-ouvertes.fr/hal-02458543
https://hal.archives-ouvertes.fr/hal-02458543
Publikováno v:
Instruments, Science, and Methods for Geospace and Planetary Remote Sensing.
The BepiColombo Laser Altimeter (BELA) is a proposed experiment for the BepiColombo mission to the planet Mercury. BELA is intended to provide payload-to-surface ranging data from a spacecraft in a polar Hermean orbit by measuring the time-of-flight
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fff95253871da569c64dee01788304a
https://doi.org/10.1117/12.578722
https://doi.org/10.1117/12.578722
High accuracy alignment facility for the receiver and transmitter of the BepiColombo Laser Altimeter
Autor:
Sumita Chakraborty, Stefan Graf, M. Affolter, Kurt Gunderson, Guillaume Roethlisberger, Daniele Piazza, Antoine Pommerol, Karsten Seiferlin, Thomas Beck, Nicolas Thomas, Michael Gerber, Jakob Neubert
Publikováno v:
Chakraborty, Sumita; Affolter, Michael; Gunderson, Kurt; Neubert, Jakob; Thomas, Nicolas; Beck, Thomas; Gerber, Michael; Graf, Stefan; Piazza, Daniele; Pommerol, Antoine; Röthlisberger, Guillaume; Seiferlin, Karsten (2012). High accuracy alignment facility for the receiver and transmitter of the BepiColombo Laser Altimeter. Applied optics, 51(20), pp. 4907-4915. Washington, D.C.: Optical Society of America 10.1364/AO.51.004907
The accurate co-alignment of the transmitter to the receiver of the BepiColombo Laser Altimeter is a challenging task for which an original alignment concept had to be developed. We present here the design, construction and testing of a large collima
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2f42b3729dd96bfc9ccc4c062e189ef
https://doi.org/10.1364/ao.51.004907
https://doi.org/10.1364/ao.51.004907
Autor:
Karsten Seiferlin, Martin Sigrist, Kurt Gunderson, Martin Rieder, Daniele Piazza, Sumita Chakraborty, T. Weigel, J. Fischer, Nicolas Thomas, Benjamin Lÿuthi
Publikováno v:
Optical Engineering. 46:043003
The BepiColombo Laser Altimeter (BELA), part of the payload of the European Space Agency's BepiColombo mission, is designed to point a telescope with a 200-mm aperture toward a surface that can reach 700 K. Furthermore, direct sunlight can shine into
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66f3409670860cb4d94a219239d17b3e
https://doi.org/10.1117/1.2722314
https://doi.org/10.1117/1.2722314