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Proceedings Paper

Quasi-cw diode-array-pumped Yb:YAG slab laser
Author(s): Haisheng Wu; Ping Yan; Mali Gong; Qiang Liu; Chen Li; Ruizhen Cui; Weipu Jia; Dacheng Sheng
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Paper Abstract

In this paper, we develop a quasi-cw InGaAs microlens-free diode arrays side-pumped Yb:YAG slab laser which operates at 25Hz. The pump light is transmitted by a lensduct which transmission efficiency is measured about 80%. The laser cavity is plane-concave. We have achieved l6mJ output energy using 8mm X 3mm X 1mm dimension and 5at.% Yb doped crystal with 345mJ input energy of diode arrays which operate in ims pulse mode. For another 8mm X 3mm X 2mm(5at.%) crystal, 8.7mJ output energy is obtained; the beam quality factor M2 values are measured to be 5.83 and 7.66 in the vertical and horizontal directions respectively. The water temperature for cooling diode arrays and crystal are 11.8 ° C and 5 ° C separately.

Paper Details

Date Published: 5 September 2002
PDF: 7 pages
Proc. SPIE 4914, High-Power Lasers and Applications II, (5 September 2002); doi: 10.1117/12.481806
Show Author Affiliations
Haisheng Wu, Tsinghua Univ. (China)
Ping Yan, Tsinghua Univ. (China)
Mali Gong, Tsinghua Univ. (China)
Qiang Liu, Tsinghua Univ. (China)
Chen Li, Tsinghua Univ. (China)
Ruizhen Cui, Tsinghua Univ. (China)
Weipu Jia, Tsinghua Univ. (China)
Dacheng Sheng, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 4914:
High-Power Lasers and Applications II
Dianyuan Fan; Keith A. Truesdell; Koji Yasui, Editor(s)

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