Thermal effect of pumping intensity on the active medium of a neodymium:glass microlaser

We theoretically investigated the influence of pumping intensity radiation on the active medium of a neodymium:glass microlaser. The pumping radiation in the neodymium:glass microlaser causes heating of the active medium to the softening temperature. The time necessary for the heating is estimated;...

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Published in:Applied optics (2004) 1997-12, Vol.36 (36), p.9367-9370
Main Authors: Astafieva, L G, Lednyeva, G P
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Lednyeva, G P
description We theoretically investigated the influence of pumping intensity radiation on the active medium of a neodymium:glass microlaser. The pumping radiation in the neodymium:glass microlaser causes heating of the active medium to the softening temperature. The time necessary for the heating is estimated; it changes from fractions of nanoseconds to hundreds of microseconds. When the radius of the neodymium:glass microparticle is larger than 40-50 microm, its heating by pumping radiation can lead to breakage of the lasing inside the microparticle.
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title Thermal effect of pumping intensity on the active medium of a neodymium:glass microlaser
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