Abstract.
An ultrafast transient refractive index grating, produced in barium fluoride, a material with positive dispersion, promotes very efficient third harmonic generation. The significant enhancement of the generation up to a conversion efficiency of about 3% is due to self phase matching, involving the instantaneous grating. At the same time several diffraction orders of the third harmonic signal are observed behind the sample.
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Received: 17 October 2000 / Published online: 21 February 2001
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Schneider, T., Schmid, R. & Reif, J. Efficient self phase matched third harmonic generation of ultrashort pulses in a material with positive dispersion . Appl Phys B 72, 563–565 (2001). https://doi.org/10.1007/s003400100510
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DOI: https://doi.org/10.1007/s003400100510