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Proceedings Paper

Effect of deposition method and substrate surface quality on laser-induced damage threshold for repetitive 13-ns and 130-fs pulses
Author(s): Andrius Melninkaitis; Tomas Rakickas; Darius Miksys; Rimantas Grigonis; Valdas Sirutkaitis; Alfridas Skrebutenas; Rytis Buzelis; Ramutis Drazdys; Giedrius Abromavicius; Remigijus Juskenas; Algirdas Selskis
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Paper Abstract

A comparison of laser induced damage thresholds (LIDT) of ion assisted deposition (IAD) and standard electron beam deposition dielectric coatings on BK7 glass with different surface roughness was performed. Five types of high reflectance mirrors at 800 nm and two types of high reflectance mirrors at 1064 nm were tested. Mirror coatings were made of ZrO2 and SiO2. Automated LIDT measurements were performed according to the requirements of current ISO 11254-2 standard. Two lasers were used for the measurements: Nd:YAG (l = 1064 nm, t = 13 ns) and Ti:Sapphire (l = 800 nm, t = 130 fs ). All measurements were performed at 1-kHz pulse repetition rate (S-on-1 test). A fixed spot size was used for each laser. For 1064 nm it was ~ 70 um and for 800 nm ~ 500 um. The damage morphology and structure of coatings were characterized by an atomic force microscopy (AFM), Nomarski microscopy and X-ray diffraction (XRD).

Paper Details

Date Published: 21 February 2005
PDF: 10 pages
Proc. SPIE 5647, Laser-Induced Damage in Optical Materials: 2004, (21 February 2005); doi: 10.1117/12.585300
Show Author Affiliations
Andrius Melninkaitis, Vilnius Univ. (Lithuania)
Tomas Rakickas, Vilnius Univ. (Lithuania)
Darius Miksys, Vilnius Univ. (Lithuania)
Rimantas Grigonis, Vilnius Univ. (Lithuania)
Valdas Sirutkaitis, Vilnius Univ. (Lithuania)
Alfridas Skrebutenas, Optida Co. (Lithuania)
Rytis Buzelis, Institute of Physics (Lithuania)
Ramutis Drazdys, Institute of Physics (Lithuania)
Giedrius Abromavicius, Institute of Physics (Lithuania)
Remigijus Juskenas, Institute of Chemistry (Lithuania)
Algirdas Selskis, Institute of Chemistry (Lithuania)

Published in SPIE Proceedings Vol. 5647:
Laser-Induced Damage in Optical Materials: 2004
Gregory J. Exarhos; Arthur H. Guenther; Norbert Kaiser; Keith L. Lewis; M. J. Soileau; Christopher J. Stolz, Editor(s)

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