Spatial hole burning
Spatial hole burning spatially localized reduction in the gain of a laser amplifier due to saturation by an intense signal, transverse spatial hole burning due to the transverse beam profile is distinguished from longitudinal spatial hole-burning due to the standing wave nature of the fields and possibly also to high gain per pass, spatial relaxation (or cross-relaxation) reduces spatial hole burning.
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Author of the text: Ed. P.A. Laplante Boca Raton: CRC Press LLC, 2000
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