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Proceedings Article

Effect of deposition method and substrate surface quality on laser-induced damage threshold for repetitive 13-ns and 130-fs pulses

[+] Author Affiliations
Andrius Melninkaitis, Tomas Rakickas, Darius Miksys, Rimantas Grigonis, Valdas Sirutkaitis

Vilnius Univ. (Lithuania)

Alfridas Skrebutenas

Optida Co. (Lithuania)

Rytis Buzelis, Ramutis Drazdys, Giedrius Abromavicius

Institute of Physics (Lithuania)

Remigijus Juskenas, Algirdas Selskis

Institute of Chemistry (Lithuania)

Proc. SPIE 5647, Laser-Induced Damage in Optical Materials: 2004, 43 (March 08, 2005); doi:10.1117/12.585300
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From Conference Volume 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
  • Boulder, CO | September 20, 2004

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).

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Andrius Melninkaitis ; Tomas Rakickas ; Darius Miksys ; Rimantas Grigonis ; Valdas Sirutkaitis, et al.
"Effect of deposition method and substrate surface quality on laser-induced damage threshold for repetitive 13-ns and 130-fs pulses", Proc. SPIE 5647, Laser-Induced Damage in Optical Materials: 2004, 43 (March 08, 2005); doi:10.1117/12.585300; http://dx.doi.org/10.1117/12.585300


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