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Growth of Nd:potassium gadolinium tungstate (KGW) thin-film waveguides by pulsed laser deposition

By P.A. Atanasov, R.I. Tomov, J. Perrière, R.W. Eason, N.A. Vainos, A. Klini, A. Zherikhin and E. Millon


Thin Nd-doped potassium gadolinium tungstate [KGW or KGd(WO4)2] films are grown by pulsed laser deposition by ablation of a stoichiometric monocrystal target. Rutherford backscattering, x-ray diffraction, atomic force microscopy, and waveguide propagation analyses are performed. The as-grown films are optically active, as evidenced by the photoluminescence spectra centered at 1.068 µm. In some of the films, fine photoluminescence spectra between Stark levels are observed

Topics: QC, TK
Year: 2000
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Provided by: e-Prints Soton

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