Publikation: Achromatic second harmonic generation : tunable ultraviolet pulses with sub-10 fs duration
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Tunable ultraviolet (UV) pulses shorter than 10 fs are generated by achromatic frequency doubling the output of a noncollinear optical parametric amplifier. We achieve first and second order achromatic phase matching with a suitable two-prism sequence and thereby 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 µm thick BBO crystal at a conversion efficiency of 20 %. The angular dispersion and the first order chirp of the highly stable UV pulses is compensated with a second prism sequence. By controlling the higher order chirp with a deformable mirror we generate pulses as short as 7.1 fs.
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BAUM, Peter, Stefan LOCHBRUNNER, Eberhard RIEDLE, 2005. Achromatic second harmonic generation : tunable ultraviolet pulses with sub-10 fs duration. 14th International Conference on Ultrafast Phenomena. Niigata, Japan, 25. Juli 2004 - 30. Juli 2004. In: KOBAYASHI, Takayoshi, ed. and others. Ultrafast phenomena XIV : proceedings of the 14th international conference, Niigata, Japan, July 25 - 30, 2004. Berlin: Springer, 2005, pp. 79-81. Springer series in chemical physics. 79. ISSN 0172-6218. ISBN 3-540-24110-8. Available under: doi: 10.1007/3-540-27213-5_25BibTex
@inproceedings{Baum2005Achro-51939, year={2005}, doi={10.1007/3-540-27213-5_25}, title={Achromatic second harmonic generation : tunable ultraviolet pulses with sub-10 fs duration}, number={79}, isbn={3-540-24110-8}, issn={0172-6218}, publisher={Springer}, address={Berlin}, series={Springer series in chemical physics}, booktitle={Ultrafast phenomena XIV : proceedings of the 14th international conference, Niigata, Japan, July 25 - 30, 2004}, pages={79--81}, editor={Kobayashi, Takayoshi}, author={Baum, Peter and Lochbrunner, Stefan and Riedle, Eberhard} }
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