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Conferences > IQEC > 1990 > QTUJ > QTUJ2
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1990),
  • paper QTUJ2

Two-photon absorption and anisotropic transient energy transfer in BaTiO3

JEFFREY O. WHITE, GEORGE C. VALLEY, and THOMAS F. BOGGESS

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Abstract

We have used ultrashort optical pulses to investigate two-photon absorption (TPA), anisotropic transient energy transfer, and induced defect state absorption in BaTiO3. Data are taken as a function of pump–probe delay, pump fluence, and crystal orientation. Fitting the data with a rate equation model allowed us to extract a TPA coefficient, free carrier absorption (FCA) cross sections, and secondary trap densities.

© 1990 Optical Society of America

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