Abstract

The thermal lens effects in Tm:YAP laser are analyzed by solving the Poisson equation with finite difference method. The thermal focal lengths measured are in the range of 40 ? 90 mm at the pump power of 16?34 W, consistent with the simulation results. The temperature contribution coefficient (the linear coefficient between the maximum temperature in the laser crystal and the pump power) of 1.19 K/W is also obtained. The convex lens and plano-concave mirror thermal lens compensation methods are proposed and applied to a high power pumped Tm:YAP laser.

© 2010 Chinese Optics Letters

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Y. Li, B. Yao, Y. Wang, Y. Ju, G. Zhao, Y. Zong, and J. Xu, Chin. Opt. Lett. 5, 286 (2007).

W.-J. He, B.-Q. Yao, Y.-Z. Wang, and Y.-L. Ju, Acta Phys. Sin. (in Chinese) 56, 3240 (2007).

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X.-L. Zhang, Y.-Z. Wang, and H.-F. Shi, Acta Phys. Sin. (in Chinese) 55, 1787 (2006).

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T. Li, S. Zhao, Z. Zhuo, and Y. Wang, Opt. Commun. 282, 940 (2009).

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Acta Phys. Sin. (in Chinese) (2)

W.-J. He, B.-Q. Yao, Y.-Z. Wang, and Y.-L. Ju, Acta Phys. Sin. (in Chinese) 56, 3240 (2007).

X.-L. Zhang, Y.-Z. Wang, and H.-F. Shi, Acta Phys. Sin. (in Chinese) 55, 1787 (2006).

Appl. Opt. (2)

Appl. Phys. Lett. (1)

M. E. Innocenzi, H. T. Yura, C. L. Fincher, and R. A. Fields, Appl. Phys. Lett. 56, 1631 (1990).

Chin. Opt. Lett. (3)

IEEE J. Quantum Electron. (1)

C. Pfistner, R. Weber, H. P. Weber, S. Merazzi, and R. Gruber, IEEE J. Quantum Electron. 30, 1605 (1994).

IEEE J. Sel. Top. Quantum Electron. (1)

P. Cerny and D. Burns, IEEE J. Sel. Top. Quantum Electron. 11, 674 (2006).

J. Alloy. Compd. (1)

Y. Lu, Y. Dai, Y. Yang, J. Wang, A. Dong, and B. Sun, J. Alloy. Compd. 453, 482 (2008).

Opt. Commun. (1)

T. Li, S. Zhao, Z. Zhuo, and Y. Wang, Opt. Commun. 282, 940 (2009).

Opt. Lett. (1)

Proc. SPIE (1)

H. Jel?nkova, P. Koranda, J. Sulc, M. Nemec, P. Cerny, and J. Pasta, Proc. SPIE 6871, 68712N (2008).

Other (2)

T. Bilici, O. Tabakoglu, H. Kalaycloglu, A. Kurt, A. Sennaroglu, and M. Gulsoy, in CLEO/Europe and EQEC 2009 Conference Digest CL P11 (2009).

E. H. Bernhardi, A. Forbes, C. Bolig, and M. J. D. Esser, 16, 11115 (2008).

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