光散射学报, 2016, 28 (4): 374, 网络出版: 2017-01-17   

也谈光散射增强

Also Talking about the Enhanced in Light Scattering
作者单位
南京大学固体微结构物理国家实验室及物理系,南京 210009
摘要
“增强”是上世纪七十年代,在(非弹性)光散射中发现的重要现象之一。在过去几十年中,人们锲而不舍投入了大量的时间和经费,时至今日,已有各种机制来说明或解释它,但仍不尽人意。十余年来,超高“增强”(g是增强因子~1014-15)的报导更是将它推向一新的境地,原有的想法遇到了莫大的障碍和挑战,必须用新的思想(格林函数的“极”或散射截面)考虑、处理这类问题。本文除了讲述非弹性光散射光强的基础知识之外,还给出了过往未能理解和阐述的内容,如分形、极化、纳米、准相位匹配和单分子层界面等结构的增强,为该领域的工作提出了新的方向和路径。
Abstract
‘Enhancement phenomena’ in light scattering were found at 1970s.It is an importance phenomenon for (especial inelastic) light scattering.Up to now,it had been expended a huge effort and funds in this phenomena studies,or for more best explain away these results during the past more ten years.Recently,it had been pushed on the new place by super-high enhancement(g is the enhanced factor ~1014-15)phenomena,and for this sort of problems,experimental results,must deal with by using new idea or scattering crosses section.There are details given a few of machines about facility-pole of Greens function,polarization,nanoparticles,nanolens,quasiphase-matching,single-molecule and interface layer or the boundary etc.,which are unable understanding during the past a few decade.Except fundamental knowledges of light scattering intensity have been presented,for the new fields should been given too,for their research in further,in this talking.

程光煦. 也谈光散射增强[J]. 光散射学报, 2016, 28(4): 374. CHENG Guang-xu. Also Talking about the Enhanced in Light Scattering[J]. The Journal of Light Scattering, 2016, 28(4): 374.

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