Kerr-lens mode-locked Ti:sapphire laser with an additional intracavity nonlinear medium
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Zeng, Heping
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Abstract
We demonstrate a Kerr-lens mode-locked Ti:sapphire laser with an additional Yb3+ doped Potassium Yttrium Tungstate crystal (Yb:KYW) in the laser cavity, where not only the pump threshold to start mode-locking but also the stable regions to maintain mode-locking can be well-controlled by varying the position of Yb:KYW nearby the confocal focus to change the intracavity Kerr-effects. The pump threshold is reduced down to 800 mW to start the mode-locking operation, which is about 27% less than that for a Ti:sapphire laser without an additional Yb:KYW.
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Optics Express
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16
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23
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© 2008 OSA. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Http://dx.doi.org/10.1364/OE.16.018875. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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Nonlinear Optics and Spectroscopy
Optical Physics
Electrical and Electronic Engineering
Communications Technologies