Analysis of lasing efficiency in neodymium doped laser crystal powders

► Theoretical study of the dependence of the efficiency of laser crystal powders on the sample thickness, on the fraction of volume occupied by the particles, and on the mean particle size. ► Analytical expression for the lasing efficiency in terms of the sample parameters at stationary regime. Lasi...

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Bibliographic Details
Published in:Optical materials 2010-12, Vol.33 (2), p.211-214
Main Authors: García-Ramiro, B., Illarramendi, M.A., Aramburu, I., Fernández, J., Balda, R.
Format: Article
Language:English
Subjects:
Crystals
Doped-insulator lasers and other solid state lasers
Exact sciences and technology
Exact solutions
Fundamental areas of phenomenology (including applications)
Laser materials
Lasers
Lasing
Mathematical analysis
Neodymium
Optical materials
Optics
Physics
Random lasers
Wave optics
Wave propagation in random media
Wave propagation, transmission and absorption
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Summary:► Theoretical study of the dependence of the efficiency of laser crystal powders on the sample thickness, on the fraction of volume occupied by the particles, and on the mean particle size. ► Analytical expression for the lasing efficiency in terms of the sample parameters at stationary regime. Lasing efficiency proportional to the ratio of the absorptance and the lasing threshold. ► Good agreement between the theoretical behaviour of the efficiency and the experimental results. This work presents a theoretical study of the dependence of the efficiency of laser crystal powders on the sample thickness, on the fraction of volume occupied by the particles, and on the mean particle size. An analytical expression for the lasing efficiency in terms of the sample parameters has been worked out at stationary regime. The expression describes correctly the experimental behaviour of the efficiency of neodymium doped laser crystals powders.
ISSN:0925-3467
1873-1252
DOI:10.1016/j.optmat.2010.10.045