Determination of optical nonlinearities in Cu(mpo)(2) by Z-scan technique

Guo SL.; Xu L.; Wang HT.You XZ.Ming NB.

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Determination of optical nonlinearities in Cu(mpo)(2) by Z-scan technique

机译：Determination of optical nonlinearities in Cu(mpo)(2) by Z-scan technique

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The optical nonlinearities of Cu(mpo)(2) [formula=C10H8N2CuO2S2] complex have firstly been investigated by using the Z-scan technique with a nanosecond-pulsed Nd:YAG laser at its second harmonic (532 nm) radiation. The nonlinear optical absorption and refraction coefficients of Cu(mpo)(2) have been measured with the different on-axial peak irradiances I-0 at the waist ranging from 0.48 to 5.66 GW/cm(2). The nonlinear transmittance characteristics exhibit the near resonant two-photon absorption (TPA) at 532 nm and are explained by a population redistribution model. The nonlinear absorption originates from the near resonant TPA while the mechanism of the nonlinear refraction is the near resonant TPA transition enhancement. The linear increasing dependences of the optical nonlinearities on the incident irradiance arise from the population redistribution due to the near resonant TPA. [References: 14]

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《Optical and Quantum Electronics》 |2003年第7期|693-703|共11页
作者
Guo SL.; Xu L.; Wang HT.You XZ.Ming NB.;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学;
关键词
Cu(mpo)(2)=c10h8n2cuo2s2; Nonlinear absorption; Nonlinear refraction; Z-scan technique; 2-mercaptopyridine n-oxide; Single-beam; Absorption; Refraction; Phthalocyanines; Complexes;

Determination of optical nonlinearities in Cu(mpo)(2) by Z-scan technique

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