Improved mode locking of a femtosecond titanium-doped sapphire laser by intracavity second harmonic generation
- 30 March 1992
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 60 (13) , 1550-1552
- https://doi.org/10.1063/1.107247
Abstract
The inclusion of a frequency doubling crystal in a self mode‐locked titanium‐doped sapphire laser stabilizes the mode‐locking regime. 125 fs pulses at ∼800 nm are generated at 90 MHz repetition rate. Femtosecond second harmonic pulse trains of 10 mW average power are obtained for the first time in the spectral region around 400 nm.Keywords
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