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Vacuum laser damage test bench
Allenspacher, Paul and Riede, Wolfgang and Wernham, Denny (2006) Vacuum laser damage test bench. In: Boulder Damage Symposium 2005, 37, . SPIE. 37th Annual Boulder Damage Symposium, 2005-09-19, Boulder, CO (USA). ISBN 0-8194-6013-3. ISSN 0277-786X
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Abstract
This work summarizes the results from an extensive test campaign in which space-based laser optics were qualified for the upcoming ESA ADM-Aeolus mission. 14 different types of optical components from different suppliers were tested at the Nd:YAG laser wavelength according to the ISO standard 11 254 – 2 for multiple pulse testing. A new technique based on transient pressure sensing was developed to monitor the occurrence of damage on a sample surface exposed to a vacuum environment. Parallel testing of reference samples showed a distinct degradation under vacuum compared to atmospheric or pressurized environment. For all samples tested we found a typical behavior in the characteristic damage curves attained: A sharp drop in LIDT for small pulse numbers followed by a smooth decrease for larger pulse numbers (laser fatigue effect).
| Document Type: | Conference or Workshop Item (Paper, Poster) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Title: | Vacuum laser damage test bench | ||||||||
| Authors: |
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| Date: | 2006 | ||||||||
| Journal or Publication Title: | Boulder Damage Symposium 2005 | ||||||||
| Refereed publication: | No | ||||||||
| In SCOPUS: | No | ||||||||
| In ISI Web of Science: | No | ||||||||
| Volume: | 37 | ||||||||
| Page Range: | |||||||||
| Editors: |
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| Publisher: | SPIE | ||||||||
| Series Name: | Laser-Induced Damage in Optical Materials | ||||||||
| ISSN: | 0277-786X | ||||||||
| ISBN: | 0-8194-6013-3 | ||||||||
| Status: | Published | ||||||||
| Keywords: | Laser optics qualification, vacuum damage, space-based laser, transient pressure sensing, laser fatigue effect. | ||||||||
| Event Title: | 37th Annual Boulder Damage Symposium | ||||||||
| Event Location: | Boulder, CO (USA) | ||||||||
| Event Type: | international Conference | ||||||||
| Event Dates: | 2005-09-19 | ||||||||
| Organizer: | SPIE | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Aeronautics | ||||||||
| HGF - Program Themes: | L AR - 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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