Diode end-pumped additive pulse mode-locked Nd:YLF laser

Chun Wang; Shaohe Chen; Xiaohua Shen; Ximing Deng

doi:10.1117/12.344145

7 August 1998 Diode end-pumped additive pulse mode-locked Nd:YLF laser

Chun Wang, Shaohe Chen, Xiaohua Shen, Ximing Deng

Proceedings Volume 3549, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers II; (1998) https://doi.org/10.1117/12.344145
Event: Photonics China '98, 1998, Beijing, China

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.

Citation Download Citation

Chun Wang, Shaohe Chen, Xiaohua Shen, and Ximing Deng "Diode end-pumped additive pulse mode-locked Nd:YLF laser", Proc. SPIE 3549, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers II, (7 August 1998); https://doi.org/10.1117/12.344145

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KEYWORDS

Mode locking

Pulsed laser operation

Mirrors

Neodymium lasers

Diodes

Semiconductor lasers

Phase shifts

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