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Proceedings Article

Laser-induced damage threshold of optical components for high-repetition-rate Nd:YAG lasers

[+] Author Affiliations
Kai Starke, T. Gross, Detlev Ristau

Laser Zentrum Hannover eV (Germany)

Werner Riggers, Johanes Ebert

Laseroptik GmbH (Germany)

Proc. SPIE 3578, Laser-Induced Damage in Optical Materials: 1998, 584 (April 7, 1999); doi:10.1117/12.344388
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From Conference Volume 3578

  • Laser-Induced Damage in Optical Materials: 1998
  • Gregory J. Exarhos; Arthur H. Guenther; Mark R. Kozlowski; Keith L. Lewis; M. J. Soileau
  • Boulder, CO | September 28, 1998

abstract

High repetition rate solid-state laser systems are used in many scientific and industrial applications. Especially-Q- switched Nd:YAG lasers are gaining increasing importance as pump sources for frequency conversion processes. These lasers are a potential alternative for several classical gas laser systems. Presently, the development of Nd:YAG systems with higher output power and improved beam parameters suffers from limitations imposed by the power handling capability of the optical components. At the Laser Zentrum Hannover, a facility has been installed for the measurement of the multiple-pulse damage thresholds of optical surfaces according to ISO/DIS 11254-2. For an efficient determination of the threshold values, an on-line algorithm calculating the recommended energy for each site has been elaborated and implemented. The most important coating materials for the NIR spectral range were investigated, in respect to their S- on-1 damage threshold. The results indicate the materials dependent reduction of the damage threshold with an increasing number of pulses per site.

© (1999) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Kai Starke ; T. Gross ; Detlev Ristau ; Werner Riggers and Johanes Ebert
"Laser-induced damage threshold of optical components for high-repetition-rate Nd:YAG lasers", Proc. SPIE 3578, Laser-Induced Damage in Optical Materials: 1998, 584 (April 7, 1999); doi:10.1117/12.344388; http://dx.doi.org/10.1117/12.344388


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