Using colloidal gold nanoparticles for studies of laser interaction with defects in thin films

Semyon Papernov; Ansgar W. Schmid; R. Krishnan; Leonid Tsybeskov

doi:10.1117/12.425037

12 April 2001 Using colloidal gold nanoparticles for studies of laser interaction with defects in thin films

Semyon Papernov, Ansgar W. Schmid, R. Krishnan, Leonid Tsybeskov

Proceedings Volume 4347, Laser-Induced Damage in Optical Materials: 2000; (2001) https://doi.org/10.1117/12.425037
Event: Laser-Induced Damage in Optical Materials: 2000, 2000, Boulder, CO, United States

Abstract

A model thin-film system based on SiO₂ coating with artificially introduced gold nanoparticles was investigated for the mechanism of 351-nm, pulsed-laser-radiation interaction with well-characterized nanoabsorbers. Damage morphology, represented by craters, provides strong evidence of the important role of the melting and vaporization processes. Measured crater volumes and numerical estimates based on them suggest that crater formation cannot proceed through laser-energy absorption confined within the particle. It instead starts in the particle and then, due to energy transfer, spreads out to the surrounding matrix during the laser pulse.

Citation Download Citation

Semyon Papernov, Ansgar W. Schmid, R. Krishnan, and Leonid Tsybeskov "Using colloidal gold nanoparticles for studies of laser interaction with defects in thin films", Proc. SPIE 4347, Laser-Induced Damage in Optical Materials: 2000, (12 April 2001); https://doi.org/10.1117/12.425037

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