4 December 1998 Effect of group velocity mismatch on the measurement of ultrashort optical pulses via second harmonic generation
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Abstract
The use of second harmonic generation as a technique for ultrashort optical pulse width measurement is analyzed in detail to determine the effect of group velocity mismatch between fundamental and second harmonic fields. We find that for interferometric autocorrelation and intensity autocorrelation type II phase matching, GVM has an appreciable effect. While for intensity autocorrelation type I phase matching, the effect is less noticeable.
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Fan Zhang, ShuangChen Ruan, "Effect of group velocity mismatch on the measurement of ultrashort optical pulses via second harmonic generation", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); doi: 10.1117/12.328606; https://doi.org/10.1117/12.328606
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