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Risk mitigation in Spaceborne Lasers

Lien, Yngve and Riede, Wolfgang and Schroeder, Helmut and Allenspacher, Paul (2006) Risk mitigation in Spaceborne Lasers. In: Photonics Europe - Hot Topics. Photonics Europe 2006, 2006-04-03, Strasbourg (F).

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Spaceborne lidars carry much promise for Earth observation and interplanetary missions to measure atmospheric parameters (wind velocity, optical extinction or species concentrations) and planet topologies. As the first European lidar mission, the European Space Agency is developing a Doppler wind lidar, ALADIN, to be launched on board ADM-Aeolus in 2008. ALADIN is a pulsed laser, emitting about 120 mJ of pulse energy in the UV. The mission duration is envisaged to be three years, which corresponds to several billion emitted pulses, thus imposing very stringent criteria on the longevity of the system. Laser-induced damage is one of the most significant issues here, in particular since laser-induced damage in space vacuum is still poorly understood. The European Space Agency has therefore established a test campaign to measure the power handling of all the instrument optics with laboratories in Germany, Italy, the Netherlands, the United Kingdom and France participating. Measurements are conducted at three wavelengths (1064nm, 532nm and 355nm) and with the introduction of several contaminants. The presentation covers laser-induced damage risk mitigation, the ESA test campaign and some test results.

Document Type:Conference or Workshop Item (Speech)
Title:Risk mitigation in Spaceborne Lasers
AuthorsInstitution or Email of Authors
Riede, WolfgangUNSPECIFIED
Schroeder, HelmutUNSPECIFIED
Allenspacher, PaulUNSPECIFIED
Journal or Publication Title:Photonics Europe - Hot Topics
Refereed publication:Yes
In ISI Web of Science:Yes
Keywords:lasers in space, risk mitigation, laser damage, laser contamination, vacuum
Event Title:Photonics Europe 2006
Event Location:Strasbourg (F)
Event Type:international Conference
Event Dates:2006-04-03
Organizer:SPIE Europe
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Laser Research and Technology
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Wolfgang Riede
Deposited On:30 Mar 2006
Last Modified:27 Apr 2009 05:05

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