Strategy for mapping of binary noncentrosymmetric sulfides and selenides promising for optical nonlinearity

V. V. Atuchin; B. I. Kidyarov; N. V. Pervukhina

doi:10.1117/12.634548

8 June 2005 Strategy for mapping of binary noncentrosymmetric sulfides and selenides promising for optical nonlinearity

V. V. Atuchin, B. I. Kidyarov, N. V. Pervukhina

Proceedings Volume 5851, Fundamental Problems of Optoelectronics and Microelectronics II; (2005) https://doi.org/10.1117/12.634548
Event: Fundamental Problems of Optoelectronics and Microelectronics II, 2004, Khabrovsk, Russian Federation

Abstract

Nonlinear optical sulfides and selenides transparent in wide spectral range are of paramount importance for frequency conversion in JR range. The combination of chemical bond lengths between atoms in crystal lattice is a key factor that defines the structure and properties of the material. In this study the comparative analysis has been produced for chemical bonding in binary noncentrosymmetric sulfides (~3OO) and selenides (~100). It is shown that noncentrosymmetric binary sulfides or selenides are positioned on the limited field on the plane ofthe chemical bond lengths. The field is covered by two partly intersecting ellipses. The most efficient piezoelectric, electrooptic and nonlinear optical crystals concentrate near the boundary and inside crossing part of the ellipses. The dependency of nonlinear optical susceptibility χ⁽²⁾ on the characteristic chemical bond length is non-monotonic in both sulfides and selenides and can be divided in several segments, which contain compounds with different bond values and coordination number. The combinations of the cations in sulfide and selenide crystals promising for high χ⁽²⁾ and transparence have been evaluated.

Citation Download Citation

V. V. Atuchin, B. I. Kidyarov, and N. V. Pervukhina "Strategy for mapping of binary noncentrosymmetric sulfides and selenides promising for optical nonlinearity", Proc. SPIE 5851, Fundamental Problems of Optoelectronics and Microelectronics II, (8 June 2005); https://doi.org/10.1117/12.634548

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