Efficient corner-pumped Nd:YAG/YAG composite slab laser

doi:10.1088/1674-1056/19/5/054209

中国物理B ›› 2010, Vol. 19 ›› Issue (5): 54209-054209.doi: 10.1088/1674-1056/19/5/054209

Efficient corner-pumped Nd:YAG/YAG composite slab laser

刘欢, 巩马理

Center for Photonics and Electronics, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China

收稿日期:2009-09-21 修回日期:2009-11-18 出版日期:2010-05-15 发布日期:2010-05-15
基金资助:
Project supported by the Postdoctoral Science Foundation, China (Grant No 20090450370).

Efficient corner-pumped Nd:YAG/YAG composite slab laser

Liu Huan(刘欢)^† and Gong Ma-Li(巩马理)

Center for Photonics and Electronics, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China

Received:2009-09-21 Revised:2009-11-18 Online:2010-05-15 Published:2010-05-15
Supported by:
Project supported by the Postdoctoral Science Foundation, China (Grant No 20090450370).

摘要/Abstract

摘要： A corner-pumped type is a new pumping type in the diode-pumped all-solid-state lasers, which has the advantages of high pump efficiency and favourable pump uniformity. A highly efficient corner-pumped Nd:YAG/YAG composite slab laser is demonstrated in this paper. The maximal continuous-wave output power of the 1064~nm laser is up to 18.57~W with a slope efficiency and an optical-to-optical conversion efficiency of 44.9{\%} and 39.8{\%}, respectively. Inserting an acousto-optic $Q$-switch in the cavity, the highest average output power of the quasi-continuous wave 1064~nm laser of 6.73~W is obtained at a repetition rate of 9.26~kHz. The experimental results show that a corner-pumped type is a kind of feasible schedules in the design of diode-pumped all-solid-state lasers with low or medium output powers.

Abstract: A corner-pumped type is a new pumping type in the diode-pumped all-solid-state lasers, which has the advantages of high pump efficiency and favourable pump uniformity. A highly efficient corner-pumped Nd:YAG/YAG composite slab laser is demonstrated in this paper. The maximal continuous-wave output power of the 1064 nm laser is up to 18.57 W with a slope efficiency and an optical-to-optical conversion efficiency of 44.9% and 39.8%, respectively. Inserting an acousto-optic $Q$-switch in the cavity, the highest average output power of the quasi-continuous wave 1064 nm laser of 6.73 W is obtained at a repetition rate of 9.26 kHz. The experimental results show that a corner-pumped type is a kind of feasible schedules in the design of diode-pumped all-solid-state lasers with low or medium output powers.

Key words: corner-pumped, Nd:YAG crystal, continuous wave, acousto-optic Q-switch

中图分类号: (Doped-insulator lasers and other solid state lasers)

42.55.Rz

42.55.Xi (Diode-pumped lasers) 42.60.Lh (Efficiency, stability, gain, and other operational parameters) 42.60.Jf (Beam characteristics: profile, intensity, and power; spatial pattern formation) 42.60.Gd (Q-switching) 42.70.Hj (Laser materials)

刘欢, 巩马理. Efficient corner-pumped Nd:YAG/YAG composite slab laser[J]. 中国物理B, 2010, 19(5): 54209-054209.

Liu Huan(刘欢) and Gong Ma-Li(巩马理). Efficient corner-pumped Nd:YAG/YAG composite slab laser[J]. Chin. Phys. B, 2010, 19(5): 54209-054209.

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Efficient corner-pumped Nd:YAG/YAG composite slab laser

Efficient corner-pumped Nd:YAG/YAG composite slab laser

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