Journal
OPTICS AND LASER TECHNOLOGY
Volume 93, Issue -, Pages 133-137Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2017.02.015
Keywords
Organic crystal; Solution growth; X-ray diffraction; Dielectrics; NLO crystal
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Funding
- SERB National - Post Doctoral Fellowship grant [PDF/2015/001072]
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The organic nonlinear optical crystals of 2,7-dihydroxy naphthalene (2,7-DN) were grown by slow evaporation method using acetone as a solvent. Optically transparent single crystal with sizes up to 15 x 7 x 4 mm(3) were grown. Non-centrosymmetry has been studied using X-ray diffraction (XRD) and functional group of 2,7-DN were studied by Raman scattering and FTIR spectral analysis. The optical transmittance was characterized and to be 28%. The melting point of 2,7-DN is 465 K. 2,7-DN found exhibit low dielectric constant of 20-22 in the frequency range of 10 Hz-10 MHz at room temperature. The nonlinear optical and phase matching properties were characterized by Kurtz powder second harmonic generation (SHG) efficiency test. (C) 2017 Published by Elsevier Ltd.
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