13 October 2016 Bulk growth, structure, optical properties and laser damage threshold of organic nonlinear optical crystals of Imidazolium L-Ascorbate
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Abstract
Bulk, transparent organic nonlinear optical (NLO) single-crystals of imidazolium L-Ascorbate (ImLA) were grown using slow-evaporation. Crystal structure was determined by single crystal X-ray diffraction analysis. Preliminary linear optical measurements through UV-Visible and infrared spectroscopy revealed good optical transmittance and a low near-UV cutoff wavelength at 256 nm. Kurtz and Perry powder test revealed that ImLA is a phase-matchable NLO material with a second harmonic generation (SHG) efficiency of 1.2 times larger than that of standard KH2PO4 (KDP). Laser damage thresholds were determined for ImLA.
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Ravi Kiran Saripalli, Ravi Kiran Saripalli, H. L. Bhat, H. L. Bhat, Suja Elizabeth, Suja Elizabeth, "Bulk growth, structure, optical properties and laser damage threshold of organic nonlinear optical crystals of Imidazolium L-Ascorbate", Proc. SPIE 9939, Light Manipulating Organic Materials and Devices III, 99390T (13 October 2016); doi: 10.1117/12.2238479; https://doi.org/10.1117/12.2238479
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