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Temperature dependence of the emission cross section of Nd:YVO4 around 1064 nm and consequences on laser operation

Xavier Délen 1 François Balembois 1 Patrick Georges 1
1 Laboratoire Charles Fabry de l'Institut d'Optique / Elsa
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
Abstract : We propose an accurate measurement of the evolution of the emission cross section of Nd:YVO4 versus temperature around 1064nm. This was done by using two complementary methods involving spectrum acquisition and laser oscillator small signal gain measurement. We observed a 44% decrease of the peak emission cross section for a 64 °C temperature increase but also a shift of the peak emission cross section wavelength at a rate of 3pm=°C. The influence of the crystal temperature on the performance of a laser oscillator in continuous wave was also investigated
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Xavier Délen, François Balembois, Patrick Georges. Temperature dependence of the emission cross section of Nd:YVO4 around 1064 nm and consequences on laser operation. Journal of the Optical Society of America B, Optical Society of America, 2011, 28 (5), pp.972. ⟨10.1364/JOSAB.28.000972⟩. ⟨hal-00604424⟩

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