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Proceedings Paper

Diode end-pumped additive pulse mode-locked Nd:YLF laser
Author(s): Chun Wang; Shaohe Chen; Xiaohua Shen; Ximing Deng
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Paper Abstract

Additive pulse mode locking (APM) utilizes self-phase modulation in an auxiliary cavity to produce pulse shortening in the main laser by coherent interference at the coupler mirror. The auxiliary cavity viewed as a linear dispersive termination transforms an incident pulse into a reshaped reflected pulse. The laser pulses incident upon and reflecting from the auxiliary cavity add coherently at the mirror. If the length of auxiliary cavity is properly chosen, self-starting APM could be obtained. In this paper, a Fabry-perot APM configuration was used. The pumping source was a 3 W diode array produced by SDL company, the efficiency of the coupling optics was 80%. The Nd:YLF rod was 5 mm by diameter 3 mm, which was plano-Brewster cut along the c-axis. When pumped with the maximum power of 2.4 W (incident upon the media), stable CW mode locked trains of 2 ps pulses are generated at 1.053 micrometer, with an average unstable output power of 76 mW, corresponding to a peak power of 283 W.

Paper Details

Date Published: 7 August 1998
PDF: 9 pages
Proc. SPIE 3549, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers II, (7 August 1998); doi: 10.1117/12.344145
Show Author Affiliations
Chun Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Shaohe Chen, Shanghai Institute of Optics and Fine Mechanics (China)
Xiaohua Shen, Shanghai Institute of Optics and Fine Mechanics (United States)
Ximing Deng, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 3549:
High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers II
Sui-Sheng Mei; Keith A. Truesdell, Editor(s)

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