Characterization of laser-induced damage by picosecond pulses on multi-layer dielectric coatings for petawatt-class lasers

Raluca A. Negres; Christopher W. Carr; Isaac L. Bass; David A. Alessi; Ted A. Laurence; Ken Stanion; Gabe Guss; David A. Cross; Paul J. Wegner; Christopher J. Stolz

doi:10.1117/12.2195528

23 November 2015 Characterization of laser-induced damage by picosecond pulses on multi-layer dielectric coatings for petawatt-class lasers

Raluca A. Negres, Christopher W. Carr, Isaac L. Bass, David A. Alessi, Ted A. Laurence, Ken Stanion, Gabe Guss, David A. Cross, Paul J. Wegner, Christopher J. Stolz

Author Affiliations +

Proceedings Volume 9632, Laser-Induced Damage in Optical Materials: 2015; 963206 (2015) https://doi.org/10.1117/12.2195528
Event: SPIE Laser Damage, 2015, Boulder, Colorado, United States

Abstract

We investigate the optical damage performance of multi-layer dielectric (MLD) coatings suitable for use in high energy, large-aperture petawatt-class lasers. We employ small-area damage test methodologies to evaluate the damage resistance of various coatings as a function of deposition methods and coating materials under simulated use conditions. In addition, we demonstrate that damage initiation by raster scanning at lower fluences and growth threshold testing are required to estimate large-aperture optics’ performance.

Citation Download Citation

Raluca A. Negres, Christopher W. Carr, Isaac L. Bass, David A. Alessi, Ted A. Laurence, Ken Stanion, Gabe Guss, David A. Cross, Paul J. Wegner, and Christopher J. Stolz "Characterization of laser-induced damage by picosecond pulses on multi-layer dielectric coatings for petawatt-class lasers", Proc. SPIE 9632, Laser-Induced Damage in Optical Materials: 2015, 963206 (23 November 2015); https://doi.org/10.1117/12.2195528

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