Physics of quasi-four-level lasers

Norman P. Barnes

doi:10.1117/12.206453

10 April 1995 Physics of quasi-four-level lasers

Norman P. Barnes

Proceedings Volume 2379, Solid State Lasers and Nonlinear Crystals; (1995) https://doi.org/10.1117/12.206453
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

Quasi four level lasers, such as the Ho:Tm lasers, have more physical processes associated with production of laser radiation than the more common four level lasers, such as the Nd lasers. Energy transfer processes, including up conversion and self quenching, as well as the existence of a nonnegligible thermal population in the lower laser level can be largely neglected in common four level lasers but are highly important in quasi four level lasers. Implications of these physical effects are explored with an emphasis on the Ho:Tm laser system.

Citation Download Citation

Norman P. Barnes "Physics of quasi-four-level lasers", Proc. SPIE 2379, Solid State Lasers and Nonlinear Crystals, (10 April 1995); https://doi.org/10.1117/12.206453

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