Investigations on growth, structure, optical properties and laser damage threshold of organic nonlinear optical crystals of Guanidinium L-Ascorbate

Ravi Kiran Saripalli; Sanath Kumar; H. L. Bhat; Suja Elizabeth

doi:10.1117/12.2177655

18 May 2015 Investigations on growth, structure, optical properties and laser damage threshold of organic nonlinear optical crystals of Guanidinium L-Ascorbate

Ravi Kiran Saripalli, Sanath Kumar, H. L. Bhat, Suja Elizabeth

Author Affiliations +

Proceedings Volume 9503, Nonlinear Optics and Applications IX; 95030X (2015) https://doi.org/10.1117/12.2177655
Event: SPIE Optics + Optoelectronics, 2015, Prague, Czech Republic

Abstract

Single crystals of Guanidinium L-Ascorbate (GuLA) were grown and crystal structure was determined by direct methods. GuLA crystallizes in orthorhombic, non-centrosymmetric space group P2₁2₁2₁. The UV-cutoff was determined as 325 nm. The morphology was generated and the interplanar angles estimated and compared with experimental values. Second harmonic generation conversion efficiency was measured and compared with other salts of L-Ascorbic acid. Surface laser damage threshold was calculated as 11.3GW/cm² for a single shot of laser of 1064 nm wavelength.

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Ravi Kiran Saripalli, Sanath Kumar, H. L. Bhat, and Suja Elizabeth "Investigations on growth, structure, optical properties and laser damage threshold of organic nonlinear optical crystals of Guanidinium L-Ascorbate", Proc. SPIE 9503, Nonlinear Optics and Applications IX, 95030X (18 May 2015); https://doi.org/10.1117/12.2177655

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