Kerr-lens mode-locked Ti:sapphire laser with an additional intracavity nonlinear medium | Zendy

Xiaohong Han | Zendy; Heping Zeng | Zendy

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Kerr-lens mode-locked Ti:sapphire laser with an additional intracavity nonlinear medium

Author(s) -

Xiaohong Han,

Heping Zeng

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.018875

Subject(s) - materials science , optics , sapphire , mode locking , laser , lens (geology) , kerr effect , ti:sapphire laser , optoelectronics , crystal (programming language) , nonlinear system , physics , quantum mechanics , computer science , programming language

We demonstrate a Kerr-lens mode-locked Ti:sapphire laser with an additional Yb(3+) 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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