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一个由白电场承载的黑光束在光聚合介质中自我陷入

Kailash Kasala1, Kalaichelvi Saravanamuttu

  • 1Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4M1, Canada.

Journal of the American Chemical Society
|July 27, 2012
PubMed
概括

研究人员发现了一种在光聚合系统中形成的自我陷入的黑色光束. 这种光束创建永久通道,阻止光的传播,提供一种新的方式来控制光信号.

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In 1931, physicist Ernst Ruska—building on the idea that magnetic fields can direct an electron beam just as lenses can direct a beam of light in an optical microscope—developed the first prototype of the electron microscope. This development led to the development of the field of electron microscopy. In the transmission electron microscope (TEM), electrons are produced by a hot tungsten element and accelerated by a potential difference in an electron gun, which gives them up to 400 keV in...