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

Craig W. Siders; Erhard W. Gaul; Michael C. Downer; A. A. Babin; Andrey N. Stepanov

doi:10.1117/12.175843

16 May 1994 Self-starting femtosecond pulse generation from a Ti:sapphire laser synchronously pumped by a pointing-stabilized mode-locked Nd:YAG laser

Craig W. Siders, Erhard W. Gaul, Michael C. Downer, A. A. Babin, Andrey N. Stepanov

Author Affiliations +

Proceedings Volume 2116, Generation, Amplification, and Measurement of Ultrashort Laser Pulses; (1994) https://doi.org/10.1117/12.175843
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

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 Ti³⁺: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 that permit tunability from 0.7 to 1.0 micrometers .

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Craig W. Siders, Erhard W. Gaul, Michael C. Downer, A. A. Babin, and Andrey N. Stepanov "Self-starting femtosecond pulse generation from a Ti:sapphire laser synchronously pumped by a pointing-stabilized mode-locked Nd:YAG laser", Proc. SPIE 2116, Generation, Amplification, and Measurement of Ultrashort Laser Pulses, (16 May 1994); https://doi.org/10.1117/12.175843

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