Dielectric properties of KDP crystal damaged by laser beam

Aurimas Gutgalis; Jūras Banys; Valdas Sirutkaitis; Robertas Grigalaitis

doi:10.1117/12.726561

25 January 2007 Dielectric properties of KDP crystal damaged by laser beam

Aurimas Gutgalis, Jūras Banys, Valdas Sirutkaitis, Robertas Grigalaitis

Proceedings Volume 6596, Advanced Optical Materials, Technologies, and Devices; 65961M (2007) https://doi.org/10.1117/12.726561
Event: Advanced Optical Materials, Technologies, and Devices, 2006, Vilnius, Lithuania

Abstract

Measurements of dielectric permittivity show that laser-induced damage in potassium dihydrogen phosphate crystal increases its phase transition temperature and real part of dielectric permittivity of damaged crystal is lower at all measured temperatures. The largest difference between dielectric permittivity of damaged and virgin samples we observed at temperatures below phase transition temperature. It can be caused by pinning of domain walls to the crystal defects in the crystal bulk damaged by high power, nanosecond laser beam.

Citation Download Citation

Aurimas Gutgalis, Jūras Banys, Valdas Sirutkaitis, and Robertas Grigalaitis "Dielectric properties of KDP crystal damaged by laser beam", Proc. SPIE 6596, Advanced Optical Materials, Technologies, and Devices, 65961M (25 January 2007); https://doi.org/10.1117/12.726561

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