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Article Dans Une Revue Optics Letters Année : 2013

Magic mode switching in Yb:CaGdAlO 4 laser under high pump power

Résumé

We present unique spatial-mode switching in a cw Yb:CALGO laser when pumped at a multihundred-watts power level. It permits us to automatically stabilize to a TEM 00 mode from a highly spatial multimode regime. This stabilization is achievable thanks to polarization-mode switching allowed by the particular spectroscopic and thermal properties of Yb:CALGO crystal. This atypical and unexpected behavior is studied in detail in this Letter and explained by analysis of the thermo-optical coefficients for CALGO.
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Dates et versions

hal-01304252 , version 1 (19-04-2016)

Identifiants

Citer

Frédéric Druon, Mickaël Olivier, Anaël Jaffrès, Pascal Loiseau, Nicolas Aubry, et al.. Magic mode switching in Yb:CaGdAlO 4 laser under high pump power. Optics Letters, 2013, 38 (20), pp.4138-4141. ⟨10.1364/OL.38.004138⟩. ⟨hal-01304252⟩
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