Publikation: Tunable sub-10-fs ultraviolet pulses generated by achromatic frequency doubling
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Tunable UV pulses shorter than 10 fs are generated by achromatic frequency doubling of a noncollinear optical parametric amplifier. With a suitable two-prism sequence we achieve first- and second-order achromatic phase matching and increase the natural bandwidth of the nonlinear crystal by a factor of 80. Extremely broad UV spectra with a Fourier limit of 2.9 fs are generated in a 360-microm-thick beta-barium borate crystal at a conversion efficiency of 20%. We compensate for the angular dispersion and the first-order chirp of the highly stable UV pulses with a second prism sequence and fully characterize the temporal pulse shape with zero-additional-phase spectral phase interferometry for direct electric-field reconstruction (ZAP-SPIDER). Pulses as short as 7 fs are generated by controlling the higher-order chirp with a deformable mirror.
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BAUM, Peter, Stefan LOCHBRUNNER, Eberhard RIEDLE, 2004. Tunable sub-10-fs ultraviolet pulses generated by achromatic frequency doubling. In: Optics Letters. Optical Society of America (OSA). 2004, 29(14), pp. 1686-1688. ISSN 0146-9592. eISSN 1539-4794. Available under: doi: 10.1364/ol.29.001686BibTex
@article{Baum2004-07-15Tunab-51934, year={2004}, doi={10.1364/ol.29.001686}, title={Tunable sub-10-fs ultraviolet pulses generated by achromatic frequency doubling}, number={14}, volume={29}, issn={0146-9592}, journal={Optics Letters}, pages={1686--1688}, author={Baum, Peter and Lochbrunner, Stefan and Riedle, Eberhard} }
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