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Crystal Growth and Optical Properties of a UV Nonlinear Optical Material KSrCO3F

Abstract

Large, centimeter size, single crystals of the UV nonlinear optical material KSrCO3F were successfully grown by the top seeded solution growth (TSSG) method. The morphology and quality of as-grown single crystals with different rotation speeds is discussed. UV-Vis-NIR transmission spectra indicate an absorption edge of 195 nm. In addition, the refractive indices were measured under five different wavelengths from 450.2 to 1062.6 nm, and revealed birefringences of 0.1117 @ 532 nm and 0.1049 @ 1064 nm. The calculated phase-matching curves indicate KSrCO3F can achieve both type I and type II phase-matching in a broad fundamental wavelength range from 400 – 1200 nm that covers technologically important 532 and 1064 nm radiation. To determine the individual non-linear optical coefficients, Maker-fringe measurements were performed. A d22 = 0.50 pm/V was measured. Finally, using a 6 ns Nd:YAG laser operating at 15 Hz, a laser damage threshold (LDT) of over 700 MW/cm2 was measured. Our results indicate that single crystal KSrCO3F is an excellent UV second-order nonlinear optical material.

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Publication details

The article was received on 12 Jun 2017, accepted on 10 Jul 2017 and first published on 10 Jul 2017


Article type: Paper
DOI: 10.1039/C7CE01097D
Citation: CrystEngComm, 2017, Accepted Manuscript
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    Crystal Growth and Optical Properties of a UV Nonlinear Optical Material KSrCO3F

    W. Zhang and P. S. Halasyamani, CrystEngComm, 2017, Accepted Manuscript , DOI: 10.1039/C7CE01097D

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