Optical breakdown of transparent dielectrics by picosecond and subnanosecond laser pulses

Aleksey A. Kozlov; Alexander A. Andreev; Sergey A. Chizhov; Alexander B. Vankov; Vladimir E. Yashin

doi:10.1117/12.271660

4 April 1997 Optical breakdown of transparent dielectrics by picosecond and subnanosecond laser pulses

Aleksey A. Kozlov, Alexander A. Andreev, Sergey A. Chizhov, Alexander B. Vankov, Vladimir E. Yashin

Proceedings Volume 3093, Nonresonant Laser-Matter Interaction (NLMI-9); (1997) https://doi.org/10.1117/12.271660
Event: Nonresonant Laser-Matter Interaction, 1996, St. Petersburg, Russian Federation

Abstract

While the optical breakdown of transparent dielectrics for nanosecond and longer laser pulses is well investigated theoretically and experimentally, the breakdown in a field of picosecond and femtosecond pulses has not been adequately explored. At the same time such investigation presents scientific interest, because short pulse duration can make some change for a mechanism of the optical breakdown. Also these data have practical importance for high energy laser development and management of temporal parameters of a pulse. Thus we have carried out measurements of the damage thresholds for pulse durations 450 ps and 3 ps (FWHM) for fused silica. Theoretical analysis is presented to explain experimental results. The possibility of applying the optical breakdown for pulse shortening is discussed.

Citation Download Citation

Aleksey A. Kozlov, Alexander A. Andreev, Sergey A. Chizhov, Alexander B. Vankov, and Vladimir E. Yashin "Optical breakdown of transparent dielectrics by picosecond and subnanosecond laser pulses", Proc. SPIE 3093, Nonresonant Laser-Matter Interaction (NLMI-9), (4 April 1997); https://doi.org/10.1117/12.271660

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