Thermal lens and heat generation of Nd:YAG lasers operating at 1.064 and 1.34 μm | Zendy

Carlos Jacinto | Zendy; T. Catunda | Zendy; Daniel Jaque | Zendy; L. E. Bausá | Zendy; J. GarcíaSolé | Zendy

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Thermal lens and heat generation of Nd:YAG lasers operating at 1.064 and 1.34 μm

Author(s) -

Carlos Jacinto,

T. Catunda,

Daniel Jaque,

L. E. Bausá,

J. GarcíaSolé

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.006317

Subject(s) - optics , laser , materials science , thermal diffusivity , lens (geology) , attenuation coefficient , thermal , neodymium , focal length , absorption (acoustics) , optoelectronics , physics , quantum mechanics , meteorology

We report on a simple and accurate method for determination of thermo-optical and spectroscopic parameters (thermal diffusivity, temperature coefficient of the optical path length change, pump and fluorescence quantum efficiencies, thermal loading, thermal lens focal length, etc) of relevance in the thermal lensing of end-pumped neodymium lasers operating at 1.06- and 1.3- microm channels. The comparison between thermal lensing observed in presence and absence of laser oscillation has been used to elucidate and evaluate the contribution of quantum efficiency and excited sate absorption processes to the thermal loading of Nd:YAG lasers.

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