Self‐starting femtosecond pulse generation from a Ti:sapphire laser synchronously pumped by a pointing‐stabilized mode‐locked Nd:YAG laser

We have constructed a self‐starting Kerr‐lens mode‐locked Ti:sapphire laser pumped synchronously by a mode‐locked, LBO‐doubled Nd:YAG laser. Using a home‐built beam‐pointing stabilizer, beam wander of the 532 nm pump is reduced by a factor of 25, thus enabling long term operation of TEM00 nearly tra...

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Bibliographic Details
Published in:Review of scientific instruments 1994-10, Vol.65 (10), p.3140-3144
Main Authors: Siders, Craig W., Gaul, Erhard W., Downer, Michael C., Babine, Alexei, Stepanov, Andrey
Format: Article
Language:English
Subjects:
426002 - Engineering- Lasers & Masers- (1990-)
ARSENIC COMPOUNDS
ARSENIDES
CORUNDUM
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
ELEMENTS
ENGINEERING
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
KERR EFFECT
LASERS
METALS
MINERALS
MODE LOCKING
NEODYMIUM LASERS
OXIDE MINERALS
PHYSICAL PROPERTIES
PNICTIDES
SAPPHIRE
SOLID STATE LASERS
TITANIUM
TRANSITION ELEMENTS
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Summary:We have constructed a self‐starting Kerr‐lens mode‐locked Ti:sapphire laser pumped synchronously by a mode‐locked, LBO‐doubled Nd:YAG laser. Using a home‐built beam‐pointing stabilizer, beam wander of the 532 nm pump is reduced by a factor of 25, thus enabling long term operation of TEM00 nearly transform limited pulses with amplitude, repetition rate, and pulsewidth fluctuations comparable to or better than those of Ar‐pumped Ti:Al2O3 lasers. Interferometric autocorrelation using second harmonic in reflection from GaAs yielded a pulse width of 30 fs, limited by the dispersion of wide bandwidth cavity optics which permit tunability from 0.7 to 1.0 μm.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1144768