Femtosecond Self-Doubling Optical Parametric Oscillator Based on KTiOAsO
نویسندگان
چکیده
We report a femtosecond intracavity-frequency-doubled optical parametric oscillator that employs a single KTiOAsO crystal for both parametric generation and frequency doubling. This device generates a yellow output beam at 575 nm with 39.4% power conversion efficiency when synchronously pumped by a femtosecond Ti : sapphire laser at a wavelength of 796 nm. An intracavity retarder is employed to alleviate temporal pulse overlap problems associated with group velocity mismatch inside the KTiOAsO crystal.
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