Nonlinear absorption and defects formation in KDP crystals used for large aperture doublers and triplers

Martynas Barkauskas; Andrius Melninkaitis; Modestas Šinkevičius; Arūnas Čiburys; Roaldas Gadonas; Valdas Sirutkaitis; Hervé Bercegol; Laurent Lamaignère

doi:10.1117/12.624183

5 October 2005 Linear and nonlinear absorption and defects formation in KDP crystals used for large aperture doublers and triplers

Martynas Barkauskas, Andrius Melninkaitis, Modestas Šinkevičius, Arūnas Čiburys, Roaldas Gadonas, Valdas Sirutkaitis, Hervé Bercegol, Laurent Lamaignère

Author Affiliations +

Proceedings Volume 5949, Nonlinear Optics Applications; 59491T (2005) https://doi.org/10.1117/12.624183
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

We report the measurements of the linear and non linear absorption at 1064, 532 and 355 nm in samples of KDP crystals fabricated with the rapid growth process developed for NIF and LMJ high power lasers. Measurements were performed according to the ISO11551 standard by the "pulse" or "gradient" calorimetric method using a pulsed, diodepumped, Q-switched Nd:YAG laser. Time resolved spectroscopy method was used for the investigation of defects formation, responsible for the non linear absorption at 355 nm.

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Martynas Barkauskas, Andrius Melninkaitis, Modestas Šinkevičius, Arūnas Čiburys, Roaldas Gadonas, Valdas Sirutkaitis, Hervé Bercegol, and Laurent Lamaignère "Linear and nonlinear absorption and defects formation in KDP crystals used for large aperture doublers and triplers", Proc. SPIE 5949, Nonlinear Optics Applications, 59491T (5 October 2005); https://doi.org/10.1117/12.624183

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