Broadband third-harmonic generation on interfaces using femtosecondpulses

机译：使用飞秒脉冲在接口上生成宽带三次谐波

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We report on third-harmonic generation (THG) in optical materials using femtosecond pulses and Z-scan method. Here we have played with beam focusing parameters and, in this way, we could track the THG signal at function of Rayleigh ranges. We observed that the femtosecond pulse has broadband spectrum and such property also affects the third-harmonic (TH) spectrum. In this experiment we were able to distinguish the contribution of bulk and interface on the THG by measuring the intensity and spectral profile of the TH signal.

机译：我们报告使用飞秒脉冲和Z扫描方法在光学材料中产生三次谐波（THG）。在这里，我们使用了光束聚焦参数，并以此方式，可以在瑞利范围的函数下跟踪THG信号。我们观察到飞秒脉冲具有宽带频谱，并且这种特性也会影响三次谐波（TH）频谱。在此实验中，我们能够通过测量TH信号的强度和频谱轮廓来区分体积和界面对THG的贡献。

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《Nonlinear frequency generation and conversion: materials, devices, and applications X》|2011年|p.79170T.1-79170T.4|共4页
会议地点 San Francisco CA(US)
作者
E. C. Barbano; J. P. Siqueira; C. R. Mendonfa; L. Misoguti; S.C. ZilioInstitute de Fisica de Sao Carlos; et al;
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Caixa Postal 369,13560-590 São Carlos, SP, Brazil 9642+55 (16) 3373-8014;

rnCaixa Postal 369,13560-590 São Carlos, SP, Brazil 9642+55 (16) 3373-8014;

rnCaixa Postal 369,13560-590 São Carlos, SP, Brazil 9642+55 (16) 3373-8014;

rnCaixa Postal 369,13560-590 São Carlos, SP, Brazil 9642+55 (16) 3373-8014;

rnCaixa Postal 369,13560-590 São Carlos, SP, Brazil 9642+55 (16) 3373-8014;

et al;

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正文语种 eng
中图分类非线性光学（强光与物质的作用）;
关键词
Nonlinear optics; Ultrafast laser; Third-harmonic generation; Gouy phase shift;

机译：非线性光学超快激光第三谐波产生；古伊相移;

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Broadband third-harmonic generation on interfaces using femtosecondpulses

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