CONCENTRATION AND PUMP INTENSITY EFFECTS IN THE EMISSION OF Nd LASER MATERIALS
Keywords:
Nd lasers, energy transfer, down-conversion, upconversion, heat generation.Abstract
High doping concentrations useful for granting efficient absorption of the pump radiation can be hampered by the concentration-dependent self-quenching of emission due to energy transfer inside the system of doping ions. The paper discusses the pump intensity-dependent balance between the down- and upconversion processes in the Nd laser materials, based on their effect on emission dynamics. Reduction of emission quantum efficiency by self-quenching and its influence on the laser emission and heat generation is analysed.
References
A.G. Avvanesov, B.I. Denker, V.V. Osiko et al., Sov. J. Quantum Electron. 12, 744 (1982)
V. Lupei, A. Lupei, S. Georgescu, C. Ionescu, Opt. Commun. 60, 59 (1986)
Y. Guyot, H. Manaa, J. Y. Rivoire, R. Moncorge et al, Phys. Rev. B51, 784 (1995)
S. Guy, C. L. Bonner, D. P. Shepherd, D. C. Hanna et al, IEEE J. Quant. Electron. 34, 900 (1998)
M. Pollnau, P. J. Hardman, M. Kern, W. A. Clarkson, D. C. Hanna, Phys. Rev. B58, 16076 (1998) 1
D. L. Dexter, J. Chem. Phys. 21, 836 (1953)
H. G. Danielmeyer, M. Blatte, P. Palmer, Appl. Phys. 1, 269 (1973)
Th. Forster, Ann. Phys. (Leipzig) 2, 55 (1948)
M. Inokuti, F. Hirayama, J. Chem. Phys. 43, 1978 (1965)
S. I. Golubov, Yu. V. Konobeev, Sov. Phys. Sol. State 13, 2679 (1972)
A. I. Burshtein, Sov. Phys. Uspekhi 27, 579 (1984)
V. Lupei, B. Diaconescu, A. Lupei, Proc. SPIE 4430, 88 (2001)
V. Lupei, Opt. Mat. 19, 95 (2002)
A. Ikesue, N. L, Aung, V. Lupei, Ceramic Lasers, Cambridge Univ. Press 2013
V. Lupei, A. Lupei, Phys. Rev. B61, 8087 (2000)
V. Lupei, A. Lupei, S. Georgescu, T. Taira, Y. Sato, A. Ikesue, Phys. Rev. B64, 092102 (2001)
R. Lavi, S. Jackel, Appl. Opt. 39, 3093 (2000)
V. Lupei, A. Lupei, N. Pavel, T. Taira, I. Shoji, A. Ikesue, Appl. Phys. Lett. 79, 590 (2001)
V. Lupei, Opt. Mat. 31, 701 (2009)
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2015 Studia Universitatis Babeș-Bolyai Physica
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.