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S on 1 testing of AR and HR designs at 1064 nm

Ciapponi, Alessandra und Allenspacher, Paul und Riede, Wolfgang und Herringer, Jon und Arenberg, Jonathan (2010) S on 1 testing of AR and HR designs at 1064 nm. Laser-Induced Damage in Optical Material, 7842, . SPIE. DOI: 10.1117/12.867284.

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In this paper, we present test results and involved procedures of a comprehensive test campaign for S on 1 testing of laser optics with large test areas allowing the generation of a profound test database for further analysis. This database will serve as a starting point for an empirical study of the lifetime of laser optics, which will be discussed in companion paper somewhere in these proceedings [1]*. The optics are designed to operate as anti-reflective or high-reflective components at the respective test wavelengths for 0° angle-of-incidence. Both, coatings and substrates of 2.0 inch diameter are produced from the same batches to be as identical as possible. There were two different coating technologies used, e-beam and IAD e-beam, to explore a possible effect of the coating process on the long term laser irradiation behavior. The laser damage test bench is operated with a laser source delivering laser pulses in a single longitudinal mode at a repetition frequency of 100 Hz. The beam profile is of a Gaussian-shape and of high spatial quality at the fundamental Nd:YAG laser wavelength with a pulse duration of 3.5 ns at 1064 nm. Typical beam diameters on the samples were 400 μm, and usually more than 500 test sites are irradiated in one test to achieve statistical significance. The laser test procedure itself is adapted from the ISO standard 11254-2 for multiple pulse irradiations, and the LIDT evaluation is done accordingly.

Titel:S on 1 testing of AR and HR designs at 1064 nm
AutorenInstitution oder E-Mail-Adresse der Autoren
Ciapponi, AlessandraDLR
Allenspacher, PaulDLR
Riede, WolfgangDLR
Herringer, JonArrow Thin Films
Arenberg, JonathanNorthrop Grumman Aerospace Systems
Erschienen in:Laser-Induced Damage in Optical Material
Referierte Publikation:Nein
In Open Access:Ja
In ISI Web of Science:Nein
DOI :10.1117/12.867284
Name der Reihe:SPIE Laser Damage 2010
Stichwörter:Laser damage testing, laser optics qualification, S on 1 testing
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Luftfahrt
HGF - Programmthema:keine Zuordnung
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L - keine Zuordnung
DLR - Teilgebiet (Projekt, Vorhaben):L -- keine Zuordnung
Standort: Stuttgart
Institute & Einrichtungen:Institut für Technische Physik
Hinterlegt von: Alessandra Ciapponi
Hinterlegt am:28 Feb 2011 09:18
Letzte Änderung:28 Feb 2011 09:18

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