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X-ray photoelectron spectroscopy, high-resolution X-ray diffraction and refractive index analyses of Ti-doped lithium niobate (Ti:LiNbO3) nonlinear optical single crystal

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Abstract

Congruent LiNbO3 single crystals with Ti ion dopants (2 and 5 mol%) were successfully grown by Czochralski technique in the automatic diameter control facility. As-grown crystal boules were oriented into (0 0 1) direction cut and optically polished for all measurements. Influence of Ti-ion incorporation into LiNbO3 was studied by core level XPS analysis. Powder X-ray diffraction studies were carried out on doped lithium niobate for phase identification. High-resolution X-ray diffraction technique was used to study the crystalline quality through full-width at half-maximum values. The refractive index values are more for doped samples than for pure sample as determined by prism coupling technique with different laser sources.

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Authors and Affiliations

  1. Crystal Growth Centre, Anna University, Chennai, 600 025, India

    P. Kumar & S. Moorthy Babu

  2. Materials Science and Chemical Engineering Department, Politecnico di Torino, 10129, Torino, Italy

    S. Perero

  3. Photon Lab, Istituto Superiore Mario Boella, 10138, Torino, Italy

    P. Kumar & S. Perero

  4. Department of Chemical Engineering, Anna University, Chennai, 600 025, India

    Rajamaniccam L. Sai

  5. Laser Materials Development & Devices Division, Raja Ramanna Centre for Advanced Technology, Indore, 452 013, India

    I. Bhaumik, S. Ganesamoorthy & A. K. Karnal

Authors
  1. P. Kumar
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  2. S. Moorthy Babu
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  3. S. Perero
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  4. Rajamaniccam L. Sai
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  5. I. Bhaumik
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  6. S. Ganesamoorthy
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  7. A. K. Karnal
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Correspondence to S. Moorthy Babu.

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Kumar, P., Moorthy Babu, S., Perero, S. et al. X-ray photoelectron spectroscopy, high-resolution X-ray diffraction and refractive index analyses of Ti-doped lithium niobate (Ti:LiNbO3) nonlinear optical single crystal. Pramana - J Phys 75, 1035–1040 (2010). https://doi.org/10.1007/s12043-010-0159-8

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  • DOI: https://doi.org/10.1007/s12043-010-0159-8

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