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Optics Letters

Optics Letters


  • Vol. 18, Iss. 10 — May. 15, 1993
  • pp: 778–780

Photorefractive properties of 4′-nitrobenzylidene-3-acetamino-4-methoxyaniline

K. Sutter, J. Hulliger, R. Schlesser, and P. Günter  »View Author Affiliations

Optics Letters, Vol. 18, Issue 10, pp. 778-780 (1993)

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Undoped single crystals of the organic electro-optic material 4′-nitrobenzylidene-3-acetamino-4-methoxyaniline were found to show photorefractive effects owing to light-induced charge separation. In two-wave-mixing experiments, beam-coupling gains as high as 2.2 cm−1 and response times as low as 8 s at writing intensities of 130 mW/cm2 were measured at a wavelength λ = 514.5 nm. An analysis of the experimental data shows that the beam-coupling gain is limited by the electro-optic response of the material, while the response time is characterized by a large optical absorption and a low quantum efficiency for carrier generation.

© 1993 Optical Society of America

Original Manuscript: December 7, 1992
Published: May 15, 1993

K. Sutter, J. Hulliger, R. Schlesser, and P. Günter, "Photorefractive properties of 4′-nitrobenzylidene-3-acetamino-4-methoxyaniline," Opt. Lett. 18, 778-780 (1993)

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