The production and measurement of ultrashort pulses in a ruby layer |
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| Authors: | M.W. McGeoch |
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| Affiliation: | 1. Department of Electronics, University of Southampton, Southampton SO9, 5NH, UK |
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| Abstract: | The two-photon flourescence from a whole pulse train is measured photoelectrically for a variety of laser conditions. A compound mode-locking solution containing DDI and DCI is found to reduce pulse lengths. An etalon which cancels gain-narrowing also has this effect. Intensity-dependent variations are found in the two-photon fluorescence profile which suggest a threshold for self-phase modulation. |
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