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Optics Letters

Optics Letters


  • Vol. 19, Iss. 8 — Apr. 15, 1994
  • pp: 536–538

Spectroscopic and photorefractive properties of infrared-sensitive rhodium-doped barium titanate

B. A. Wechsler, M. B. Klein, C. C. Nelson, and R. N. Schwartz  »View Author Affiliations

Optics Letters, Vol. 19, Issue 8, pp. 536-538 (1994)

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We have grown and characterized crystals of BaTiO3 doped with Rh. These crystals have a blue-green color that is probably due to charge-transfer optical transitions involving Rh4+ and/or Rh3+. Electron paramagnetic resonance spectroscopy confirmed the presence of Rh4+ centers. Self-pumped phase-conjugation measurements were performed at wavelengths between 776 and 990 nm. Reflectivities near 80% were obtained throughout this wavelength range. In addition, self-pumped phase-conjugation buildup times were measured as a function of input power at 851 nm and are significantly faster than in undoped or Co-doped crystals studied previously. BaTiO3:Rh is therefore a promising material for near-infrared photorefractive applications.

© 1994 Optical Society of America

Original Manuscript: November 11, 1993
Published: April 15, 1994

B. A. Wechsler, M. B. Klein, C. C. Nelson, and R. N. Schwartz, "Spectroscopic and photorefractive properties of infrared-sensitive rhodium-doped barium titanate," Opt. Lett. 19, 536-538 (1994)

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