Femtosecond self-doubling optical parametric oscillator based on KTiOAsO4
Date
2003
Authors
Kartaloğlu, T.
Aytür, O.
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Source Title
IEEE Journal of Quantum Electronics
Print ISSN
0018-9197
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Publisher
IEEE
Volume
39
Issue
1
Pages
65 - 67
Language
English
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Abstract
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.
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Keywords
Nonlinear frequency conversion , Optical parametric oscillators , Parametric devices , Second harmonic generation (SHG) , Antireflection coatings , Birefringence , Laser mode locking , Light polarization , Light propagation , Optical beam splitters , Optical frequency conversion , Potassium compounds , Pumping (laser) , Second harmonic generation , Single crystals , Ultrashort pulses , Dichroic beamsplitter , Frequency doubling , Group velocity mismatch , Intracavity signal beam , Nonlinear frequency conversion , Optical parametric oscillators