near-field scanning techniques
Noise Removal Technique in Near-Field Millimeter-Wave Cylindrical Scanning Imaging System
... in near-field imaging is in milliwatt level, which is 1/1000 of the transmission power of an ordinary mobile phone, relieving the worry about adverse effect on the human ...the near-filed millimeter-wave ...
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Scanning near field microscopy of microwave circuits
... non-contact scanning near-field techniques may be come an attractive method for circuit performance and failure ...the field distribution of working circuits one can evaluate not only ...
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Optical impedance matching studied with Scanning Near Field Optical Microscopy
... R adiation em itted from a SNOM ap ertu re rem ains collim ated up to a dis tance com parable to the ap ertu re radius. A fter th a t distance it diverges rapidly. Therefore, to achieve high resolution imaging w ith ...
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An investigation of phase mask diffraction patterns and fibre Bragg gratings with scanning near field optical microscopy
... Alternative techniques exist for assessing the refractive index profile of a grating, such as the ‘side scatter’ method ...electric field distribution within a fibre grating, or its refractive index ...
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Method of increasing spatial resolution of the scanning near field microwave microscopy
... measurement techniques in highly miniaturized circuits, especially in microwave monolithic in- tegrated circuits 共 MMIC 兲 ...noncontact scanning near-field measurements may be- come an ...
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Scanning near-field optical microscopy with white-light illumination: nanoscale imaging and spectroscopy of resonant systems.
... imaging techniques have been developed in recent years to achieve super-resolution optical imaging in biophotonics and cell imaging, achieving resolution beyond the diffraction limit down to 50 nm and better ...
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Apertureless scanning near field optical microscope with sub-10nm resolution
... by scanning near field optical microscopy 共SNOM兲, 3–8 which uses a nanoscopic aperture—scanned through the near field of the surface—to reduce the illumination/collection ...recently, ...
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Measurement of the local optical phase and amplitude in photonic devices using scanning near field microscopy
... electric field in the plane normal to the sur- face and provide a 2-dimensional cross section of the propagating ...two scanning techniques used to acquire z ...electric field magnitude, the ...
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Far Field Pattern Reconstruction from Positioning Errors Affected Near Field Data Acquired via Helicoidal Scanning
... the near-field data is assuming an ever growing relevance for the antenna measurement ...the near-field - far-field (NF-FF) ...ning techniques [2-11], which can be implemented by ...
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The application of scanning near field optical imaging to the study of human sperm morphology
... ing techniques may cause not uniform changes in sperm head dimensions ...and scanning electron microscopies (TEM and SEM), which have enabled to detect ultra- structural details and have provided a huge ...
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Measurement of electric field intensities using scanning near field microwave microscopy
... the field surrounding them is especially important during the development and testing phase of microwave devices when maximum information about their functionality is ...measured field are key ...
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Near field enhancements from angled surface defects : a comparison of scanning laser source and scanning laser detection techniques
... To validate the models, experimental scans were performed on aluminium samples with dimensions 150x150x50mm using non-contact laser-ultrasound to both generate and detect, and the near field enhancement ...
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Phase Shifting Holography for THz Near-Field/Far-Field Prediction
... Near field intensity holograms carried out with arrays of power detector elements could be a viable technology for far-field radiation pattern prediction of electrically large THz ...
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Imaging of InGaN inhomogeneities using visible apertureless. near-field scanning optical microscope
... represent near-field signal maps collected from the same area at 633 nm and 532 nm, ...the near-field signals from some of the grains change contrast relative to the signal from the ...
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Apertureless scanning near-field optical microscopy: a comparison between homodyne and heterodyne approaches
... evanescent field gener- ated by total internal reflection within the ...scattered field is proportional to the guided ...the field scattered by the tip is hence converted into amplitude modulation, ...
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NEAR-FIELD OPTICAL MICROSCOPY AND SPECTROSCOPY WITH POINTED PROBES
... of near-field optical micro- copy. In fact, within this field of study several research groups reinvented Wessel’s ...enhanced field at a metal tip in combi- nation with nonlinear-optical ...
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Comparative scanning near-field optical microscopy studies of plasmonic nanoparticle concepts
... use scanning near-field optical microscopy (SNOM) to characterize different plasmonic-nanoparticle situations with high spatial and spectral resolution in this comparative ...The ...
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Reflection mode scanning near field optical microscopy: Influence of sample type, tip shape, and polarization of light
... Figure 3 shows shear force and R-SNOM images of an aluminum film, sputtered onto a glass substrate, and of mean roughness 60–100 nm. Here, there is a 1:1 correspondence between the optical and shear-force images. ...
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Synthesis, Structural And Magnetic Properties Of SrFe12O19 Hexaferrites
... using Raman spectrometer (WITEC, JAPAN). An alpha 300 Raman set up equipped with 532 nm line is used to illuminate the samples at 10 mw power. VSM (Lakeshore 7300 USA) results were used to study the magnetic ...
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In situ scanning electrochemical probe microscopy for energy applications
... heterogeneous surface. For example, local measurements have been performed on various spots on a (ZYA grade) HOPG surface, consisting of μm-sized graphite basal planes intersected by steps of one (or a few) atoms high, ...
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