Two-photon absorption in PbTiO 3 with subpicosecond pulses at 620nm
- 1 January 1992
- journal article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 125 (1) , 505-510
- https://doi.org/10.1080/00150199208017119
Abstract
We use a two-beam technique and 50 fs pulses at 620 nm to measure two-photon absorption coefficients in PbTiO3 A long lived absorption is also observed, which we supposed to be associated with free carrier absorption and charges from impurity levels.Keywords
This publication has 7 references indexed in Scilit:
- Two-photon absorption and anisotropic transient energy transfer in BaTiO_3 with 1-psec excitationJournal of the Optical Society of America B, 1990
- Third-order nonlinear susceptibilities and polariton modes inobtained by temporal measurementsPhysical Review B, 1990
- Intensity-dependent absorption and photorefractive effects in barium titanateJournal of the Optical Society of America B, 1988
- Intensity-dependent absorption coefficient in photorefractive BaTiO_3 crystalsJournal of the Optical Society of America B, 1987
- Two Photon Absorption, Nonlinear Refraction, And Optical Limiting In SemiconductorsOptical Engineering, 1985
- Femtosecond spectroscopy with high-power tunable optical pulsesJournal of the Optical Society of America B, 1985
- Ultrashort pulse measurementsProceedings of the IEEE, 1974