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Genre/Form: | Thèses et écrits académiques |
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Material Type: | Document, Thesis/dissertation, Internet resource |
Document Type: | Internet Resource, Computer File |
All Authors / Contributors: |
Georges Gebrayel El Reaidy; Frank Wagner; Jean-Yves Natoli; Olivier Utéza; Brigitte Caussat; Laurent Lamaignère; Alessandra Ciapponi; Delphine Faye; Aix-Marseille Université.; Ecole Doctorale Physique et Sciences de la Matière (Marseille).; Institut Fresnel (Marseille, France). |
OCLC Number: | 1129956701 |
Notes: | Titre provenant de l'écran-titre. |
Description: | 1 online resource |
Responsibility: | Georges Gebrayel El Reaidy ; sous la direction de Frank Wagner et de Jean-Yves Natoli. |
Abstract:
Since their first implementation in satellite systems, lasers have proven to be very versatile devices in space applications. They are key components of a variety of space-based instruments performing altimetry, light detection and ranging, laser sensing, and laser communication. However, laser induced damage (LID) and laser-induced contamination (LIC) of optical surfaces are a major failure risk for space-bound laser instruments. Regarding the LIC effect, the interaction of the laser with slight traces of organic compounds on the optical surface leads to the formation of a highly absorbing nanometric deposit on the laser footprint. Under certain conditions, this deposit may cause laser induced damage. Today, mainly the LIC effect remains an obstacle for the development of reliable and long-living spaceborne lasers. A parametric study concerning this effect was carried out in this work in order to enhance our understanding of the various mechanisms involved.
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