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A tradeoff investigation for the BepiColombo Laser Altimeter design

Gunderson, Kurt S. and Thomas, Nicolas and Spohn, Tilman and Seiferlin, Karsten (2004) A tradeoff investigation for the BepiColombo Laser Altimeter design. In: Instruments, Science, and Methods for Geospace and Planetary Remote Sensing, 5660, pp. 117-127. SPIE. Remote Sensing of the Atmosphere, Ocean, Environment, and Space 2004, 2004-11-08 - 2004-11-11, Honolulu, Hawaii (USA). ISBN 0-8194-5621-7

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Abstract

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 of outgoing laser pulses and their echoes. As proposed, BELA also will provide small-scale surface variation and reflectivity data via characterization of return pulse forms. Primary instrument components include a low frequency pulsed Nd:YAG laser transmitter and a reflective receiver telescope feeding a silicon avalanche photodiode to capture pulse echoes with a direct detection approach. To assist with the evaluation of various design strategies, we have developed a numerical model of the instrument that returns a signal-to-noise-ratio figure of merit, as well as simulated return pulses, according to a diverse set of hardware specifications and viewing geometries as input parameters. An analysis of large sets of simulated pulses assists with the estimation of measurement accuracy. This model has been used to investigate the performance of a variety of instrument configurations, and some tradeoffs leading to the favored design will be described.

Item URL in elib:https://elib.dlr.de/21648/
Document Type:Conference or Workshop Item (Speech)
Additional Information:doi:10.1117/12.578722
Title:A tradeoff investigation for the BepiColombo Laser Altimeter design
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Gunderson, Kurt S. Univ. Bern, SwitzerlandUNSPECIFIED
Thomas, Nicolas Univ. Bern, SwitzerlandUNSPECIFIED
Spohn, TilmanUNSPECIFIEDUNSPECIFIED
Seiferlin, Karsten Univ. Bern, SwitzerlandUNSPECIFIED
Date:2004
Journal or Publication Title:Instruments, Science, and Methods for Geospace and Planetary Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:5660
Page Range:pp. 117-127
Publisher:SPIE
Series Name:Proceedings of SPIE
ISBN:0-8194-5621-7
Status:Published
Keywords:BepiColombo, Mercury, Laser Altimeter
Event Title:Remote Sensing of the Atmosphere, Ocean, Environment, and Space 2004
Event Location:Honolulu, Hawaii (USA)
Event Type:international Conference
Event Dates:2004-11-08 - 2004-11-11
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben BepiColombo (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Deposited By: Pieth, Susanne
Deposited On:19 Jan 2006
Last Modified:27 Apr 2009 04:56

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