Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Woehl J"'
Publikováno v:
In Chemometrics and Intelligent Laboratory Systems 15 August 2023 239
Publikováno v:
In Chemometrics and Intelligent Laboratory Systems 15 October 2021 217
Light diffraction through a subwavelength aperture located at the apex of a metallic screen with conical geometry is investigated theoretically. A method based on a multipole field expansion is developed to solve Maxwell's equations analytically usin
Externí odkaz:
http://arxiv.org/abs/1002.2533
Publikováno v:
Europhys. Lett. 54, 736-740 (2001)
The generality of the Bethe's two dipole model for light diffraction through a subwavelength aperture in a conducting plane is studied in the radiation zone for coated conical fiber tips as those used in near field scanning optical microscopy. In ord
Externí odkaz:
http://arxiv.org/abs/1002.0951
We present a complete derivation of the formula of Smythe [Phys.Rev.72, 1066 (1947)] giving the electromagnetic field diffracted by an aperture created in a perfectly conducting plane surface. The reasoning, valid for any excitating field and any hol
Externí odkaz:
http://arxiv.org/abs/1002.0801
Publikováno v:
Europhys. Lett. 66, 41 (2004)
We use fluorescent nanospheres as scalar detectors for the electric-field intensity in order to probe the near-field of an optical tip used in aperture-type near-field scanning optical microscopy (NSOM). Surprisingly, the recorded fluorescence images
Externí odkaz:
http://arxiv.org/abs/physics/0701034
Publikováno v:
Europhys. Lett. 64, 634 (2003)
We present a scheme for remotely addressing single nano-objects by means of near-field optical microscopy that makes only use of one of the most fundamental properties of electromagnetic radiation: its polarization. A medium containing optically acti
Externí odkaz:
http://arxiv.org/abs/physics/0612218
Publikováno v:
Nanotechnology 16, 613 (2005)
We present a method to realize active optical tips for use in near-field optics that can operate at room temperature. A metal-coated optical tip is covered with a thin polymer layer stained with CdSe nanocrystals or nanorods at low density. The time
Externí odkaz:
http://arxiv.org/abs/physics/0612208
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