Chapter

Basics of optically pumped astrophysical lasers

Vladilen Letokhov and Sveneric Johansson

in Astrophysical Lasers

Published in print December 2008 | ISBN: 9780199548279
Published online May 2009 | e-ISBN: 9780191720512 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199548279.003.0009
 Basics of optically pumped astrophysical lasers

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Optical (visible and near-IR) astrophysical lasers are pumped by selective photoexcitation performed through a ‘photoexcitation by accidental resonance’ (PAR) process; a process introduced by Kastner and Bhatia. This chapter considers some known examples of PAR and how inversion of population is created by the PAR effect in astrophysical conditions.

Keywords: photoexcitation; accidental resonance; accidental resonance pumping; Bowen accidental resonance; fluorescence lines

Chapter.  3995 words.  Illustrated.

Subjects: Atomic, Molecular, and Optical Physics

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