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Femtosecond self-doubling optical parametric oscillator based on KTiOAsO4

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2 Author(s)
Kartaloglu, T. ; Dept. of Electr. & Electron. Eng., Bilkent Univ., Ankara, Turkey ; Aytur, Orhan

We report a femtosecond intracavity-frequency-doubled optical parametric oscillator that employs a single KTiOAsO4 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 KTiOAsO4 crystal.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:39 ,  Issue: 1 )