Completely self-starting picosecond and femtosecond Kerr-lens mode-locked Ti:sapphire laser

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Title:	Completely self-starting picosecond and femtosecond Kerr-lens mode-locked Ti:sapphire laser
Authors:	J.-M. Shieh F. Ganikhanov K.-H. Lin W.-F. Hsieh Ci-Ling Pan 林奎輝潘犀靈
Contributors:	臺北市立教育大學自然科學系
Date:	1995
Issue Date:	2009-07-31 13:33:37 (UTC+8)
Abstract:	Completely self-starting and stable operation of a Kerr-lens mode-locked Ti:sapphire laser was realized in both picosecond and femtosecond regimes. The cavity has a symmetric X configuration with soft aperturing. Enhanced Kerr nonlinearity and reduced backscattering effects were thought to be key to obtaining stable self-starting self-mode-locked operation from 765 to 815 nm for the picosecond regime and from 770 to 835 nm for the femtosecond regime. The mode-locking starting time as measured by the onset of the secondharmonic signal ranged from 300 ms to 2 s, depending on cavity alignment. Preliminary data also suggest that intracavity intensity fluctuation necessary for the laser to evolve into stable mode locking could be as short as 10–40 ps.
Relation:	JOSA B, V.12(5), p.945-949
Appears in Collections:	[Department of Applied Physics and Chemistry] Periodical Articles

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