Abstract

The method of collinear laser photoionization of atoms in a modulated fast beam is used to detect the rare isotope ³He, with high-repetition-rate lasers being applied to improve the detection sensitivity. The method has made it possible to detect ³He at relative abundances as low as 10⁻⁹.

© 1991 Optical Society of America

Laser isotope separation of rare earth elements

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Ultrasensitive laser isotope analysis in an ion-storage ring

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Rydberg levels and ionization potential of francium measured by laser-resonance ionization in a hot cavity

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