Effect of THz-scale intensity fluctuations on bulk damage in KDP

Douglas W. Broege; Michael Spilatro; Guillaume Duchateau; Christophe Dorrer; Stavros Demos

doi:10.1117/12.2685132

24 November 2023 Effect of THz-scale intensity fluctuations on bulk damage in KDP

Douglas W. Broege, Michael Spilatro, Guillaume Duchateau, Christophe Dorrer, Stavros Demos

Proceedings Volume PC12726, Laser-Induced Damage in Optical Materials 2023; PC127260R (2023) https://doi.org/10.1117/12.2685132
Event: SPIE Laser Damage, 2023, Dublin/Livermore, California, United States

Abstract

A unique dual-beam laser-damage test station has been constructed for testing materials with broadband incoherent radiation. Utilizing a novel optical parametric amplifier-based light source capable of delivering an incoherent bandwidth of up to 10 THz, bulk damage in KDP has been characterized for a number of different bandwidth conditions to help understand the role that the resulting intensity fluctuations play. The results largely suggest that damage mechanisms in KDP do not rely heavily on nonlinear processes and are supported by established models of plasma generation and growth.

Conference Presentation

Citation Download Citation

Douglas W. Broege, Michael Spilatro, Guillaume Duchateau, Christophe Dorrer, and Stavros Demos "Effect of THz-scale intensity fluctuations on bulk damage in KDP", Proc. SPIE PC12726, Laser-Induced Damage in Optical Materials 2023, PC127260R (24 November 2023); https://doi.org/10.1117/12.2685132

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