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Optics Letters

Optics Letters


  • Vol. 21, Iss. 6 — Mar. 15, 1996
  • pp: 426–428

Photon-gated photoconductivity of Pr3+:YAG

G. Wittmann and R. M. Macfarlane  »View Author Affiliations

Optics Letters, Vol. 21, Issue 6, pp. 426-428 (1996)

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We have observed photon-gated photoconductivity in Pr:YAG, providing clear evidence for photoionization of the trivalent praseodymium ion in the solid state. Photoionization occurs by two-step absorption from 3H4(1) → 1D2(1) followed by an excited-state absorption from 1D2 to the lowest component of the 4f5d configuration. The excitation spectrum of the photocurrent shows sharp 1D2 spectral features, providing unambiguous assignment of the photocurrent.

© 1996 Optical Society of America

Original Manuscript: October 27, 1995
Published: March 15, 1996

G. Wittmann and R. M. Macfarlane, "Photon-gated photoconductivity of Pr3+:YAG," Opt. Lett. 21, 426-428 (1996)

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Fig. 1 Fig. 2 Fig. 3

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