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Optics Letters

Optics Letters


  • Vol. 22, Iss. 24 — Dec. 15, 1997
  • pp: 1843–1845

Two-photon absorption and broadband optical limiting with bis-donor stilbenes

J. E. Ehrlich, X. L. Wu, I.-Y. S. Lee, Z.-Y. Hu, H. Röckel, S. R. Marder, and J. W. Perry  »View Author Affiliations

Optics Letters, Vol. 22, Issue 24, pp. 1843-1845 (1997)

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Large two-photon absorptivities are reported for symmetrical bis-donor stilbene derivatives with dialkylamino or diphenylamino groups. These molecules exhibit strong optical limiting of nanosecond pulses over a broad spectral range in the visible. Relative to bis(di-n-butylamino)stilbene, bis(diphenylamino)stilbene exhibits a 90-nm red shift of its optical limiting band but only a minimal shift of ~13 nm of its lowest one-photon electronic absorption band. Mixtures of these compounds offer an unprecedented combination of broad optical limiting bandwidth and high linear transparency.

© 1997 Optical Society of America

J. E. Ehrlich, X. L. Wu, I.-Y. S. Lee, Z.-Y. Hu, H. Röckel, S. R. Marder, and J. W. Perry, "Two-photon absorption and broadband optical limiting with bis-donor stilbenes," Opt. Lett. 22, 1843-1845 (1997)

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