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

Rajamaniccam L Sai⁴  S Ganesamoorthy¹  S Moorthy Babu1³  S Perero²  I Bhaumik¹  P Kumar1³  A K Karnal¹ 

[1] Laser Materials Development & Devices Division, Raja Ramanna Centre for Advanced Technology, Indore 452 013, India$$;Materials Science and Chemical Engineering Department, Politecnico di Torino, 10129, Torino, Italy$$;Crystal Growth Centre, Anna University, Chennai 600 025, India$$;Department of Chemical Engineering, Anna University, Chennai 600 025, India$$

关键词: Lithium niobate;    doping;    refractive index;    X-ray photoelectron spectra;    non-linear optical materials.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

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.

【 授权许可】

Unknown