Third order optical non-linear (Z-scan), birefringence,photoluminescence, mechanical and etching studies on melaminium levulinate monohydrate (MLM) single crystal for optical device applications |
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| Affiliation: | 1. Department of Physics, Saveetha Univeristy, Chennai 602 105, India;2. Department of Nuclear Physics, University of Madras, Chennai 600 025, India;1. Institute of Chemistry, Saratov State University, Astrakhanskaya 83, 410012 Saratov, Russia;2. SPС Nanostructured Glass Technology Ltd, 50 years of October av. 101, 410033, Saratov, Russia;3. Faculty of Nano- and Biomedical Technologies, Astrakhanskaya 83, Saratov State University, 410012 Saratov, Russia;4. Faculty of Physics, Saratov State University, Astrakhanskaya 83, 410012 Saratov, Russia;5. Saint-Petersburg State University, Universitetskii pr. 26, 198504 Saint-Petersburg, Russia;1. Air Force Research Laboratory, Sensors Directorate, Wright Patterson AFB, OH, 45433, USA;2. SURVICE Engineering, Dayton, OH, 45431, USA;1. Department of Physics, Sri Muthukumaran Institute of Technology, Chennai 600 069, India;2. Department of Nuclear Physics, University of Madras, Chennai 600025, India;3. Electrochemical Materials Science Division, CSIR-Central Electrochemical Research Institute, Karaikudi, 630006, Tamilnadu, India;1. Department of Physics, Presidency College, Chennai 600005, India;2. St. Peter''s University, Avadi, Chennai 54, India |
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| Abstract: | Z-scan studies on the grown crystal was investigated by diode-pumped Nd; YAG laser. Nonlinear refractive index (n2) and third-order nonlinear optical susceptibility (χ3) values of MLM were found to be −1.0 × 10−8 cm2/W and 1.36 × 10−6 esu respectively. Powder X-ray diffraction analysis depicted that the crystal belongs to monoclinic system with space group P21/c. Birefringence study revealed the optical dispersion behavior of MLM crystal. Linear refractive index on (10-1) plane was measured by prism coupling technique and was estimated to be 1.4705. Hardness study was carried out along three different planes which exhibit hardness anisotropy of 41.11%. Meyer's index values of the grown crystal for the (10-1), (010) and (111) planes were found to be 2.39, 2.61 and 2.04 respectively. Etching studies on the prominent (10-1) growth plane was explained by two dimensional layer growth mechanisms. Photoluminescence study was performed on MLM crystal to explore its efficacy towards optical device fabrications. |
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| Keywords: | Optical materials Crystal growth Powder diffraction Photoluminescence spectroscopy Mechanical properties Optical properties |
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