Frequency doubled femtosecond Ti:sapphire laser with an assisted enhancement cavity

doi:10.1088/1674-1056/25/1/014205

Abstract

We report an enhancement cavity for femtosecond Ti:sapphire laser at the repetition rate of 170 MHz. An enhancement factor of 24 is obtained when the injecting pulses have an average power of 1 W and a pulse duration of 80 fs. By placing a BBO crystal at the focus of the cavity, we obtain a 392-mW intracavity doubled-frequency laser, corresponding to a conversion efficiency of 43%. The output power has a long-term stability with a root mean square (RMS) of 0.036%.

Keywords: femtosecond laser enhancement cavity frequency doubling laser spectroscopy

Received: 09 May 2015
Revised: 24 July 2015
Accepted manuscript online:

PACS:	42.60.Da	(Resonators, cavities, amplifiers, arrays, and rings)
	42.65.Ky	(Frequency conversion; harmonic generation, including higher-order harmonic generation)
	42.62.Fi	(Laser spectroscopy)

Fund:

Project supported by the National Basic Research Program of China (Grant Nos. 2013CB922401 and 2012CB821304) and the National Natural Science Foundation of China (Grant No. 61378040).

Corresponding Authors: Hai-Nian Han, Zhi-Yi Wei
E-mail: hnhan@iphy.ac.cn;zywei@iphy.ac.cn

Cite this article:

Jin-Wei Zhang(张金伟), Hai-Nian Han(韩海年), Lei Hou(侯磊), Long Zhang(张龙),Zi-Jiao Yu(于子蛟), De-Hua Li(李德华), Zhi-Yi Wei(魏志义) Frequency doubled femtosecond Ti:sapphire laser with an assisted enhancement cavity 2016 Chin. Phys. B 25 014205

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Frequency doubled femtosecond Ti:sapphire laser with an assisted enhancement cavity

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