Nonlinear Optical Response of Chinese Teas Probed by Spatial Self-Phase Modulation

被引：0
|
作者：
Diogo L. M. de Souza
Marcos V. G. Bittencourt
Vinícius M. Lenart
Gerson K. da Cruz
Rozane F. Turchiello
Sergio L. Gómez
机构：
[1] State University of Ponta Grossa,Physics Department
[2] Federal University of Technology-Paraná,Physics Department
来源：
Brazilian Journal of Physics | 2020年 / 50卷
关键词：
Spatial self-phase modulation; Chinese tea; Nonlinear optics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Chinese tea is the most highly consumed beverage globally. Its different types exhibit a strong nonlinear optical response as probed previously by Z-scan technique at various time scales. In this work, infusions of commercially available black, green, and white Chinese teas, prepared by running one cycle of a Soxhlet extraction, were studied by spatial self-phase modulation of a CW laser; each sample was found to have a different nonlinear refractive index n2, which can be used to distinguish these teas.
引用
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页码：394 / 398
页数：4
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