Ti:sapphire second-harmonic-pumped visible range femtosecond optical parametric oscillator |
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| Authors: | T J Driscoll G M Gale and F Hache |
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| Institution: | Laboratoire d'Optique Quantique du CNRS, Ecole Polytechnique, 91128, Palaiseau, France |
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| Abstract: | A β-barium borate (BBO) femtosecond optical parametric oscillator (OPO) pumped by the second-harmonic of a modelocked 82 MHz Ti:sapphire laser is described. With intracavity dispersion compensation, pulse durations down to 30 fs are obtained with a total average power up to 100 mW. The current wavelength range, with a 400 nm pump, is from 566 nm to 676 nm. Unusual tuning characteristics, including bichromatic emission, are presented in detail and explained theoretically. |
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