X-ray photoelectron spectroscopy, high-resolution X-ray diffraction and refractive index analyses of Ti-doped lithium niobate (Ti:LiNbO3) nonlinear optical single crystal
P Kumar S Moorthy Babu S Perero Rajamaniccam L Sai I Bhaumik S Ganesamoorthy A K Karnal
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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.
P Kumar1 2 S Moorthy Babu1 S Perero3 2 Rajamaniccam L Sai4 I Bhaumik5 S Ganesamoorthy5 A K Karnal5
Volume 96, 2022
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