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首页> 外文期刊>Journal of nonlinear optical physics & materials >THIRD-ORDER NONLINEAR OPTICAL INVESTIGATION OF A NOVEL MATERIAL IN THE NEAR-IR REGIONS
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THIRD-ORDER NONLINEAR OPTICAL INVESTIGATION OF A NOVEL MATERIAL IN THE NEAR-IR REGIONS

机译:近红外区域中新型材料的三阶非线性光学研究

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摘要

The third-order nonlinearity of a novel ET[bis(ethylenedithio)-tetrathiafulvalene] complex (ET . BF3) has been measured by using the Z-scan technique with a laser pulse width of 30 ps at 1064 nm. The third-order nonlinear refractive index (n(2)), nonlinear absorption coefficient (beta) and nonlinear susceptibilities (chi((3))) of a sample acetonitrile solution are 3.5 x 10(-11) esu, 1.65 cm/GW and 5.4 x 10(-12) esu, respectively. The non-resonant second-order hyperpolarizability (gamma) for the molecule has been estimated to be 2.77 x 10(-30) esu. The two merit factors for all-optical switching are W 1 and T = 1.49, respectively.
机译:通过使用Z扫描技术在1064 nm的激光脉冲宽度为30 ps的情况下,测量了新型ET [双(亚乙基二硫代)-四硫富瓦烯]络合物(ET。BF3)的三阶非线性。乙腈溶液的三阶非线性折射率(n(2)),非线性吸收系数(β)和非线性磁化率(chi((3)))为3.5 x 10(-11)esu,1.65 cm / GW和5.4 x 10(-12)esu。该分子的非共振二阶超极化率(γ)估计为2.77 x 10(-30)esu。全光切换的两个优因数分别为W 1和T = 1.49。

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