Kartaloğlu, T.Aytür, O.2016-02-082016-02-0820030018-9197http://hdl.handle.net/11693/24552We 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.EnglishNonlinear frequency conversionOptical parametric oscillatorsParametric devicesSecond harmonic generation (SHG)Antireflection coatingsBirefringenceLaser mode lockingLight polarizationLight propagationOptical beam splittersOptical frequency conversionPotassium compoundsPumping (laser)Second harmonic generationSingle crystalsUltrashort pulsesDichroic beamsplitterFrequency doublingGroup velocity mismatchIntracavity signal beamNonlinear frequency conversionOptical parametric oscillatorsArticle10.1109/JQE.2002.806207