Standing-wave forward-backward gain asymmetry in optically pumped gas lasers

F. Laguarta, G. Merkle, J. Heppner, R. Corbaln, R. Vilaseca

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)


A new type of forward-backward asymmetry is reported for the 119-m emission from a linear-cavity CH3OH laser, near-resonantly pumped by a continuous-wave CO2 laser. The observed asymmetry is related to a strong traveling-wave pump field and also saturating standing-wave-generated fields, a situation typical for most optically pumped linear-cavity gas lasers. A simple interpretation of the experimental results is given in terms of multiphoton processes involving one pump photon and several generated photons. © 1986 The American Physical Society.
Original languageEnglish
Pages (from-to)831-834
JournalPhysical Review Letters
Issue number7
Publication statusPublished - 1 Jan 1986


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