Linear and nonlinear optical properties of dimethylamino pyridinium p-bromo-chlorophenolate crystal for nonlinear optical devices

Shalini S.; Kirupavathy S. Shahil; Jerusha Eunice; Vinitha G.

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Linear and nonlinear optical properties of dimethylamino pyridinium p-bromo-chlorophenolate crystal for nonlinear optical devices

机译：二甲基氨基吡啶对溴-氯酚盐晶体的线性和非线性光学性质，用于非线性光学器件

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Third harmonic generating nonlinear optical (NLO) mixed crystals of dimethylamino pyridinium p-bromo-chlorophenolate belonging to the monoclinic crystal system were grown by slow evaporation method. From the recorded UV-Vis transmission spectrum, the optical band gap was determined to be 3.581eV. The assessed values of nonlinear refractive index (n(2)), nonlinear absorption coefficient () from the Z-scan studies shows the appropriateness of the grown mixed crystal for NLO applications. The real and imaginary parts ofthe third order nonlinear optical susceptibility (((3))) were found to be 4.801x10(-6)esu and 0.102x10(-6)esu. The material exhibits a negative refractive index resulting in self-defocusing nature. The laser damage threshold value for DMAPBCP mixed crystal was acquired to be 2.98GW/cm(2). Positive photoconductivity of the crystal has been revealed.

机译：通过缓慢蒸发法生长了属于单斜晶系的二甲基氨基吡啶对溴-氯酚盐的三次谐波非线性光学（NLO）混合晶体。从记录的UV-Vis透射光谱确定光学带隙为3.581eV。从Z扫描研究获得的非线性折射率（n（2）），非线性吸收系数（）的评估值表明，生长的混合晶体适用于NLO应用。发现三阶非线性光学磁化率（（（3）））的实部和虚部分别为4.801x10（-6）esu和0.102x10（-6）esu。该材料表现出负折射率，导致自散焦性质。获得的DMAPBCP混合晶体的激光损伤阈值为2.98GW / cm（2）。已经揭示出晶体的正光电导性。

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《Journal of materials science》 |2019年第7期|6528-6536|共9页
作者
Shalini S.; Kirupavathy S. Shahil; Jerusha Eunice; Vinitha G.;
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RMD Engn Coll, Dept Phys, Kavaraipettai 601206, India|Anna Univ, Dept Phys, Chennai 600025, Tamil Nadu, India;

Velammal Engn Coll, Dept Phys, Chennai 600066, Tamil Nadu, India;

RMD Engn Coll, Dept Phys, Kavaraipettai 601206, India;

VIT Univ, Dept Phys, Chennai 600127, Tamil Nadu, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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Linear and nonlinear optical properties of dimethylamino pyridinium p-bromo-chlorophenolate crystal for nonlinear optical devices

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