Optics

Download Progress in nano-electro-optics 6. Nano optical probing, by Motoichi Ohtsu PDF

By Motoichi Ohtsu

This quantity makes a speciality of nano-optical probing, manipulation, and research. It starts off with fresh advancements in near-field optical spectroscopy that make clear quantum states on the nanoscale, by means of a concept for a photon-electron-phonon interacting approach on the nanoscale. additional subject matters contain: obvious laser desorption/ionization mass spectroscopy showing near-field results; a pragmatic nanofabrication procedure with optical close to fields utilized to a SHG gadget; a concept and experimental achievements on optical shipping of nanoparticles, selectively manipulated via resonant radiation strength. Taken as an entire, this assessment should be a beneficial source for engineers and scientists operating within the box of nano-electro-optics.

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Progress in nano-electro-optics 6. Nano optical probing, manipulation, analysis, and their theoretical bases

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Experimental setup for chemical vapor deposition using an optical near field. The DEZn bottle and CVD chamber were kept at 7 and 25 degrees C, respectively, to prevent the condensation of DEZn on the sapphire substrate. During deposition, the partial pressure of DEZn was 100 mTorr and the total pressure in the chamber was 8 Torr 2 Localized Photon Model Including Phonons’ Degrees of Freedom 45 In order to investigate the mechanism of the photochemical process, deposition rates depending on photon energy and intensity have been measured with several laser sources.

6104 eV are denoted by X, XX and X*. b Excitation power dependence of PL intensities of the X and the XX lines. The two dotted lines corresponds to the gradient associated with linear and quadratic power dependence The GaAs QD was excited with He–Ne laser light (λ = 633 nm) through the aperture and carriers (excitons) were created in the barrier layers as well as the QW layer. Excitons diffused over several hundreds of nm and relaxed into the QDs. The PL signal from the QD was collected via the same aperture to prevent a reduction of the spatial resolution due to carrier diffusion.

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