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160511 ||| eng |
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|a 9783319287935
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1 |
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|a Denkova, Denitza
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|a Optical Characterization of Plasmonic Nanostructures: Near-Field Imaging of the Magnetic Field of Light
|h Elektronische Ressource
|c by Denitza Denkova
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| 250 |
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|a 1st ed. 2016
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| 260 |
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|a Cham
|b Springer International Publishing
|c 2016, 2016
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| 300 |
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|a XXVI, 88 p. 36 illus., 35 illus. in color
|b online resource
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| 505 |
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|a Introduction -- Imaging the Magnetic Near-field of Plasmon Modes in Bar Antennas -- A Near-Field-Aperture Probe as an Optical Magnetic Source and Detector -- Magnetic Near-Field Imaging of Increasingly Complex Plasmonic Antennas -- Plasmon-Enhanced Sub-wavelength Laser Ablation: Plasmonic Nano-Jets -- Conclusions and Outlook
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| 653 |
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|a Nanophysics
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| 653 |
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|a Laser
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| 653 |
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|a Optical Materials
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| 653 |
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|a Nanoscience
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| 653 |
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|a Lasers
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| 653 |
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|a Optical materials
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| 653 |
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|a Nanotechnology
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| 041 |
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7 |
|a eng
|2 ISO 639-2
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| 989 |
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|b Springer
|a Springer eBooks 2005-
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| 490 |
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|a Springer Theses, Recognizing Outstanding Ph.D. Research
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| 028 |
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|a 10.1007/978-3-319-28793-5
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| 856 |
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|u https://doi.org/10.1007/978-3-319-28793-5?nosfx=y
|x Verlag
|3 Volltext
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|a 621.366
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| 520 |
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|a This thesis focuses on a means of obtaining, for the first time, full electromagnetic imaging of photonic nanostructures. The author also develops a unique practical simulation framework which is used to confirm the results. The development of innovative photonic devices and metamaterials with tailor-made functionalities depends critically on our capability to characterize them and understand the underlying light-matter interactions. Thus, imaging all components of the electromagnetic light field at nanoscale resolution is of paramount importance in this area. This challenge is answered by demonstrating experimentally that a hollow-pyramid aperture probe SNOM can directly image the horizontal magnetic field of light in simple plasmonic antennas – rod, disk and ring. These results are confirmed by numerical simulations, showing that the probe can be approximated, to first order, by a magnetic point-dipole source. This approximation substantially reduces the simulation time andcomplexity and facilitates the otherwise controversial interpretation of near-field images. The validated technique is used to study complex plasmonic antennas and to explore new opportunities for their engineering and characterization
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