Ceramic micro solid-state lasers

Takunori Taira 

Institute for Molecular Science (IMS), 38 Nishigonaka, Myodaiji, Okazaki 444-8585, Japan

Abstract

Transparent ceramic laser materials, which were fabricated by a solid-state reaction method, offer numerous advantages over melt growth methods, including faster production times, solid solution allowing the fabrication of multi-phase transition materials, highly homogeneous materials and the ability to engineer profiles and structures before sintering. Much progress has been made in improving the optical quality from ceramics, as well as exploring new materials [1-3]. Successfully developed concentrated Nd:YAG ceramics was opened the way for drastic heat reduction by directly upper laser level pumping [4, 5]. Recently, the advantages of Yb:YAG materials for high-power and highly efficiency lasers are well recognized [6-8]. In this research, we’d like to discuss about high power edge-pumped single crystal Yb:YAG/ceramic YAG composite microchip laser and ultrafast Yb:Y3ScAl4O12 ceramic laser. The author would like to thank Dr. M. Tsunekane, Dr. J. Saikawa, Dr. T. Dasucalu, Prof. I. Shoji, Dr. N. Pavel, Dr. Y. Sato, Dr. V. Lupei, Dr. A. Ikesue, and Prof. K. Yoshida. This work was supported in part by the CREATE-JST Fukui Association for Industry and Technology contract and the Grant-in-Aid for Scientific Research A No.15206073 from the ministry of Education, Culture, Sports, Science, and Technology of Japan.

[1] A. Ikesue, I. Furusato, and K. Kamata, J. Am. Ceram. Soc., 78 (1995) 225

[2] I. Shoji, S. Kurimura, Y. Sato, T. Taira, A. Ikesue, K. Yoshida, Appl. Phys. Lett., 77 (2000) 839

[3] J. Kong, D. Y. Tang, J. Lu, K. Ueda, H. Yagi, T. Yanagitani, Opt. Lett., 29 (2004) 1212

[4] V. Lupei, A. Lupei, N. Pavel, T. Taira, I. Shoji, and A. Ikesue, Appl. Phys. Lett., 79 (2001) 590

[5] V. Lupei, N. Pavel, and T. Taira, Appl. Phys. Lett., 83 (2003) 3653

[6] P. Lacovara, T.Y. Fan et al., Opt. Lett., 16 (1991) 1089

[7] T. Taira, R. L. Byer et al., IEEE JSTQE, 3 (1997) 1000

[8] C. Honniger, A. Giesen, U. Keller et al., Appl. Phys.B, 69 (1999) 3

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Presentation: invited oral at E-MRS Fall Meeting 2005, Laser Ceramic Symposium, by Takunori Taira
See On-line Journal of E-MRS Fall Meeting 2005

Submitted: 2005-08-19 22:11
Revised:   2009-06-07 00:44
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