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<p>A semi-organic nonlinear optical single crystal of Glycine-mixed Rochelle salt material of (Potassium Sodium Tartrate Hexahydrate) GPSTH was developed using a slow evaporation solution method. The crystal was analyzed through single-crystal X-ray diffraction (XRD) to verify the lattice parameters. Additionally, Fourier transform infrared (FTIR) analysis was performed to determine the functional groups present in the crystal. The UV–Vis–NIR spectrum was also examined, revealing a calculated band gap energy of 5.6&#xa0;eV. The crystal sample’s dielectric properties in its unaltered form show a reduced dielectric constant and loss at elevated frequencies. A fluorescence spectral analysis was performed to explore the luminescent characteristics of GPSTH. Insights into the sample’s quality and the arrangement of grains on its surface were obtained through scanning electron microscopy (SEM). Furthermore, the chemical makeup of the GPSTH crystal was evaluated using energy-dispersive X-ray analysis. The crystal’s mechanical stability was evaluated through Vickers microhardness testing. To determine the laser damage threshold (LDT) of the GPSTH crystal, an Nd:YAG laser operating at a wavelength of 1064&#xa0;nm was employed. Additionally, the Z-scan technique, utilizing the same Nd:YAG laser, was applied to explore the third harmonic generation in GPSTH. Consequently, the developed GPSTH crystal demonstrates notable second-order and third-order nonlinear optical properties, rendering it appropriate for applications in harmonic generation, optical limiting, and frequency conversion.</p>

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Growth, third-order nonlinear optical, vibrational, laser damage threshold, electrical, and mechanical studies of Glycine-mixed Rochelle salt crystal for optoelectronics applications

  • 期刊论文

  • 发表日期：

    2025年2月18日

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  • M. Jayachithra,
  • R. S. Sundararajan,
  • M. Shalini,
  • M. Meena,
  • T. C. Sabari Girisun

摘要

A semi-organic nonlinear optical single crystal of Glycine-mixed Rochelle salt material of (Potassium Sodium Tartrate Hexahydrate) GPSTH was developed using a slow evaporation solution method. The crystal was analyzed through single-crystal X-ray diffraction (XRD) to verify the lattice parameters. Additionally, Fourier transform infrared (FTIR) analysis was performed to determine the functional groups present in the crystal. The UV–Vis–NIR spectrum was also examined, revealing a calculated band gap energy of 5.6 eV. The crystal sample’s dielectric properties in its unaltered form show a reduced dielectric constant and loss at elevated frequencies. A fluorescence spectral analysis was performed to explore the luminescent characteristics of GPSTH. Insights into the sample’s quality and the arrangement of grains on its surface were obtained through scanning electron microscopy (SEM). Furthermore, the chemical makeup of the GPSTH crystal was evaluated using energy-dispersive X-ray analysis. The crystal’s mechanical stability was evaluated through Vickers microhardness testing. To determine the laser damage threshold (LDT) of the GPSTH crystal, an Nd:YAG laser operating at a wavelength of 1064 nm was employed. Additionally, the Z-scan technique, utilizing the same Nd:YAG laser, was applied to explore the third harmonic generation in GPSTH. Consequently, the developed GPSTH crystal demonstrates notable second-order and third-order nonlinear optical properties, rendering it appropriate for applications in harmonic generation, optical limiting, and frequency conversion.