Characterization of new electrooptical PMN-PT single crystal

V. Pavlenko; A. Akimov; S. Kurilkina; I. Utkin; Han-Young Lee

doi:10.1117/12.624790

14 October 2005 Characterization of new electrooptical PMN-PT single crystal

V. Pavlenko, A. Akimov, S. Kurilkina, I. Utkin, Han-Young Lee

Proceedings Volume 5962, Optical Design and Engineering II; 59622X (2005) https://doi.org/10.1117/12.624790
Event: Optical Systems Design 2005, 2005, Jena, Germany

Abstract

The investigation of physical properties of new relaxor ferroelectric material of (1-x)Pb(Mg_1/3Nb_2/3)O₃-xPbTiO₃ (PMN-PT) single crystal has been carried out. It has been established the opportunity of existence of this crystal in two modifications, having tetragonal unit cell (space group P4mm) and cubic perovskite one (space group Pm3m) accordingly. Their lattice parameters were found. It has been established a thermal stability of the PMN-PT single crystals in wide temperature range (20-950°C). The results of optical investigations have shown, that the crystals have good transparency in wide spectral area from the visible to IR range. Dispersion of refractive index of PMN-PT crystal are calculated by the dispersion theory and Kramers-Kronig' relationship. Using interferometry method, extremely large linear electro-optic coefficients r₁₃~33 pm/V and r₃₃~80 pm/V were characterised for the crystal, having tetragonal unit cell. It has been discussed prospects of the material while creating different optical systems.

Citation Download Citation

V. Pavlenko, A. Akimov, S. Kurilkina, I. Utkin, and Han-Young Lee "Characterization of new electrooptical PMN-PT single crystal", Proc. SPIE 5962, Optical Design and Engineering II, 59622X (14 October 2005); https://doi.org/10.1117/12.624790

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