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Estimate of experimental yield for two-photon absorption in helium

✍ Scribed by A Rubens; B de Castro; Thomas Möller


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
579 KB
Volume
128
Category
Article
ISSN
0030-4018

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Femtosecond two-photon-absorption-resona
✍ S.O Konorov; D.A Sidorov-Biryukov; I Bugar; D Chorvat Jr.; D Chorvat; A.M Zhelti 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 309 KB

Four-wave mixing (FWM) with two-photon absorption (TPA) resonances is shown to allow time-resolved studies of ultrafast processes involved in photochromism in three-dimensional spiropyran/PMMA samples on the femtosecond time scale. An FWM signal was produced using 130-fs pulses of 800-nm Ti:sapphire