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Time-gated imaging through scattering media by using efficient THG in organic films

机译：通过在有机膜中使用有效的THG，通过散射介质进行时控成像

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We report on efficient third-harmonic generation (THG) with large spectral and angular bandwidths in polymer thin films doped with conjugated organic molecules. Using the efficient THG exhibited by these organic films, we demonstrate real-time, time-gated, direct imaging of objects immersed in highly scattering media by using femtosecond pulses tuned at the eye-safe and telecommunication-compatible near-infrared spectral region (1550 nm). By using a low cost detection system we resolved THG time-gated images of objects immersed in media with a scattering attenuation of 14 mean-free paths, equivalent to an attenuation of six optical densities.

机译：我们报告了在掺有共轭有机分子的聚合物薄膜中具有大光谱和角带宽的有效三次谐波产生（THG）。利用这些有机薄膜所展示的高效THG，我们通过使用在人眼安全且兼容电信的近红外光谱区域（1550年）调谐的飞秒脉冲，演示了沉浸在高度散射介质中的物体的实时，时间门控直接成像纳米）。通过使用低成本的检测系统，我们解析了浸没在介质中的物体的THG时控图像，其散射衰减为14条无均值路径，相当于六个光学密度的衰减。

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来源
《RIAO/OPTILAS 2004》|2004年|P.439-444|共6页
会议地点 Porlamar(VE)
作者
G. Ramos-Ortiz; M. Cha; S. Barlow; G. A. Walker; S. R. Marder; B. Kippelen;
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作者单位

Centro de Investigaciones en Optica A.C., A.P. 1-948, 37000 Leon, Gto. Mexico;

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会议组织
原文格式 PDF
正文语种 eng
中图分类应用光学;
关键词
non-linear optics; organic materials; short pulses;

机译：非线性光学;有机材料;短脉冲;

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专利

1. 强散射介质中吸收物体的相干调制成像(英) [J] . 刘迎, 张西芹, 桑梅, 天津大学学报：英文版 . 1999,第001期
2. Time-gated optical imaging through turbid media using stimulated Raman scattering: Studies on image contrast [J] . K DIVAKAR RAO, H S PATEL, B JAIN, Pramana . 2005,第2期

机译：使用受激拉曼散射通过混浊介质进行时控光学成像：图像对比度研究
3. Time-gated optical imaging through turbid media using stimulated Raman scattering: Studies on image contrast [J] . K. Divakar Rao, H. S. Patel, B. Jain, Pramana . 2005,第2期

机译：使用受激拉曼散射通过混浊介质进行时控光学成像：图像对比度研究
4. Time-gated optical imaging through turbid media using stimulated Raman scattering: Studies on image contrast [J] . B Jain, H S Patel, K Divakar Rao1, Pramana . 2005,第2期

机译：使用受激拉曼散射通过混浊介质进行时控光学成像：图像对比度研究
5. Time-gated imaging through scattering media by using efficient THG in organic films [C] . Gabriel Ramos-Ortiz, Myoungsik Cha, Stephen Barlow, Latin American Meeting on Optics, Lasers, and Their Applications . 2004

机译：通过在有机薄膜中使用高效的THG通过散射介质进行时间门控成像
6. Sensing and imaging in scattering media using spatial speckle intensity correlations and field statistics in heavily scattering media. [D] . Newman, Jason A. 2014

机译：使用空间散斑强度相关性和强散射介质中的场统计信息来散射介质中的传感和成像。
7. Pair distribution functions of amorphous organic thin films from synchrotron X-ray scattering in transmission mode [O] . Chenyang Shi, Rattavut Teerakapibal, Lian Yu, 2017

机译：透射模式下同步加速器X射线散射对非晶有机薄膜的成对分布函数
8. Quantitative image contrast enhancement in time-gated transillumination of scattering media [O] . Sedarsky, D., Berrocal, E., Linne, Mark 2011

机译：散射介质的时间门控透射照明中的定量图像对比度增强

Time-gated imaging through scattering media by using efficient THG in organic films

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