Light-induced absorption of cerium-doped lead barium niobate crystals

Alice Liu; Myeongkyu Lee; Lambertus Hesselink; Sang Heun Lee; Ki Soo Lim

doi:10.1364/OL.23.001618

Light-induced absorption of cerium-doped lead barium niobate crystals

Alice Liu, Myeongkyu Lee, Lambertus Hesselink, Sang Heun Lee, Ki Soo Lim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

Tetragonal lead barium niobate (Pb_1-xBa_xNb₂O₆; 1 - x < 0.63) crystals are promising photorefractive materials for applications such as holographic data storage. Measurements of light-induced absorption in Ce-doped lead barium niobate (Pb_0.5Ba_0.5Nb₂O₆) were performed. The induced absorption that was due to the presence of shallow traps was as large as 0.3 cm^-1 at 633 nm and exhibited saturation behavior at green-pump intensity greater than 2 W/cm². The temporal profile of the dark decay was a double exponential, and the activation energies of the slow- and the fast-decaying components were determined to be 0.16 and 0.3 eV, respectively.

Original language	English
Pages (from-to)	1618-1620
Number of pages	3
Journal	Optics Letters
Volume	23
Issue number	20
DOIs	https://doi.org/10.1364/OL.23.001618
Publication status	Published - 1998 Oct 15

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All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

Cite this

Liu, A., Lee, M., Hesselink, L., Lee, S. H., & Lim, K. S. (1998). Light-induced absorption of cerium-doped lead barium niobate crystals. Optics Letters, 23(20), 1618-1620. https://doi.org/10.1364/OL.23.001618

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abstract = "Tetragonal lead barium niobate (Pb1-xBaxNb2O6; 1 - x < 0.63) crystals are promising photorefractive materials for applications such as holographic data storage. Measurements of light-induced absorption in Ce-doped lead barium niobate (Pb0.5Ba0.5Nb2O6) were performed. The induced absorption that was due to the presence of shallow traps was as large as 0.3 cm-1 at 633 nm and exhibited saturation behavior at green-pump intensity greater than 2 W/cm2. The temporal profile of the dark decay was a double exponential, and the activation energies of the slow- and the fast-decaying components were determined to be 0.16 and 0.3 eV, respectively.",

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