%0 Journal Article %K Model %K Deposition %K Energy %K Target %K Gas %K Surface %K Emission %K Pulse %K Copper %K Behavior %K Material %K Ablation %K Laser %K Vaporization %K Intensities %K Intensity %K Time %K Form %K Inductively coupled plasma (icp) %K Plasma %K Sample %K Sampling %K Spectrometer %K Cu %K Process %K Crater %K Mechanism %K Mechanisms %K Icp-aes %K Ga %K Ionization %K Atomic emission spectrometry %K Picosecond %K Picosecond laser %K Density %K Laser sampling %K Nanosecond %K Pulsed laser %K Pulsed laser %K Targets %K Laser material interaction %K Electron %K Energies %K Depth %K Pressure %K Edge %K Shock %K Ar %K Atmosphere %K He %K Plasma shielding %K Electron density %K Circulation %K Electron-density %K Electrons %K Superconducting thin-films %K Gas-pressure %K High-energy %K I %K Inverse bremsstrahlung %K Media %K Microfabrication %K Multiphoton ionization %K Photoelectron %K Photoelectrons %K Shock waves %K Shock waves %K Solid materials %K Via %K Waves %A Xianglei Mao %A Wing-Tat Chan %A Mark A Shannon %A Richard E Russo %B Journal of Applied Physics %D 1993 %F Laser %G eng %N 8 %P 4915-4922 %R 10.1063/1.354325 %T Plasma Shielding During Picosecond Laser Sampling of Solid Materials by Ablation in He Versus Ar Atmosphere %V 74 %2 LBNL-34478 %8 10/1993 %! J. Appl. Phys.