Laser shock processing of materials: experimental study of breakdown plasma effects at the surface of confining water

Laurent Berthe; Remy Fabbro; Patrice Peyre; Eric Bartnicki

doi:10.1117/12.281117

18 August 1997 Laser shock processing of materials: experimental study of breakdown plasma effects at the surface of confining water

Laurent Berthe, Remy Fabbro, Patrice Peyre, Eric Bartnicki

Author Affiliations +

Proceedings Volume 3097, Lasers in Material Processing; (1997) https://doi.org/10.1117/12.281117
Event: Lasers and Optics in Manufacturing III, 1997, Munich, Germany

Abstract

Laser Shock Processing in water confinement regime was investigated for an incident 25 - 30 ns/40 J/(lambda) equals 1.064 micrometers laser beam. The experimental measurement of the transmission of the parasitic plasma breakdown at the surface of water confining has been performed with continuous Argon laser probe. Above 6 GW/cm², the critical electronic density for the incident laser wavelength is achieved in the plasma by cascade ionization. Above 10 GW/cm², it has been shown that the power density transmitted through the plasma is limited at 10 GW/cm². The laser pulse transmitted through the breakdown plasma corresponds to the part of incident laser pulse preceding the transmission cut-off. Results are in good agreement with those obtained previously.

Citation Download Citation

Laurent Berthe, Remy Fabbro, Patrice Peyre, and Eric Bartnicki "Laser shock processing of materials: experimental study of breakdown plasma effects at the surface of confining water", Proc. SPIE 3097, Lasers in Material Processing, (18 August 1997); https://doi.org/10.1117/12.281117

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available