Abstract

We consider charge interactions in the laser-light focus region while a low-pressure gas or atomic beam is irradiated. The space-charge effects are shown to distort both the energy spectrum and the angular distribution of ions and electrons when a sufficiently large charge density is obtained in the focus region. Charge interactions can be neglected at a charge density less than 10¹⁰ cm⁻³.

© 1989 Optical Society of America

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