scanning near field microscopy
Measurement of the local optical phase and amplitude in photonic devices using scanning near field microscopy
... pographical artifacts and scattered light. The mechanisms for producing scattered light are the same as those responsible for waveguide loss. The two principal sources for scattered light are the input and output facets ...
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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 signal ...
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An investigation of phase mask diffraction patterns and fibre Bragg gratings with scanning near field optical microscopy
... difficult. Scanning in columns rather than rows could have solved the problem, except that thermal drift in the z-direction over the time taken to acquire a two- dimensional scan may have endangered the ...
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Tight focusing of laser light using a chromium Fresnel zone plate
... observed. Near-field nanofocusing through the use of a combination of plasmonic Bragg reflector and converging lens has been reported [12], where two sets of concentric annular slits with different period ...
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Apertureless near field optical microscopy for fluorescence imaging
... for near-field optical microscopy appeared as early as 1928, when Synge suggested the illumination of samples through a minute hole at the apex of an otherwise opaquely coated cone ...a ...
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Near field scanning and propagation of correlated low frequency radiated emissions
... spectral field-field correlation function and its definition is not restricted to the ...very near-field radiated emissions from complex planar sources are transported diffusively within a ...
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Near field scanning luminescence and photothermal microscopy
... 2-17 Force a, top a, top b direct and reflected c images 58 and luminescence bottom, b direct and reflected c images P-Si of p-type 2-19 Force luminescence bottom, P-Si of p-type 2-18 Fo[r] ...
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Reflection mode scanning near field optical microscopy: Influence of sample type, tip shape, and polarization of light
... Many advances have been made in the area of scanning near-field optical microscopy ~ SNOM ! over the past decade. 1–3 The principle of this technique is to scan a sub- wavelength sized light ...
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Coupling of single quantum dots to photonic crystal cavities investigated by low-temperature scanning near-field optical microscopy
... For the measurements presented here, we have built a tuning fork-based low-temperature SNOM employing the excitation- collection mode. Photoluminescence (PL) is nonresonantly excited through an uncoated fiber tip using a ...
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Toward mid infrared, subdiffraction, spectral mapping of human cells and tissue: SNIM (scanning near field infrared microscopy) tip fabrication
... Scanning near-field optical microscopy (SNOM) makes use of the van der Waals’ attractive forces, in conjunction with a non-propagating optical evanescent field, at the ...Waals’ ...
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Study of shear force as a distance regulation mechanism for scanning near field optical microscopy
... ~ iii ! the width of the grooves is much larger than 80 nm. To understand why there appears to be contrast reversal, con- sider Fig. 9. This represents the scanning of a tip across a groove for the three cases. ...
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Method of increasing spatial resolution of the scanning near field microwave microscopy
... noncontact scanning near-field measurements may be- come an attractive method for testing circuit performance and failure ...the field distribution above the circuit surface one can evaluate ...
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Optical impedance matching with scanning near field optical microscopy
... The advantage of using SNOM for such an experiment is that on can easily draw parallels between SNOM probes and microwave waveguides. Besides, one could bring the SNOM probe to a desired location on a sample containing ...
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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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Polarization Properties in Apertureless Type Scanning Near Field Optical Microscopy
... For high resolved polarization imaging with a spatial resolution of ~10 nm, scanning near-field optical mi- croscopies (SNOM) have been developed in the 1990s [9 – 12]. Aperture-type SNOMs using ...
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Near-field scanning optical microscopy with laser trapping
... and Ke P.C, "Effect of depolarisation of scattered evanescent waves on particle- frapped near-field scannuig optical microscopy", Appl. Gu M., Advanced Opticallmaging Theory (Spr[r] ...
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Optical impedance matching studied with Scanning Near Field Optical Microscopy
... sample. The effect of this interference was to funnel the evaporated chromium into linetype structures w ith a spacing of 212.78 nm [85]. Due to the fact th a t th e lines are created by using an optical system makes the ...
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Intragrain Defect Characterization Of Solar Grade Silicon Using Near-Field Scanning Optical Microscopy
... the X and Y directions of the Nanoscope control unit. In addition to the values mentioned for the input window, there are additional limitations placed on the outputs. These limitations include the max and min values, ...
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Identification of Near-Field and Far-Field Using Confocal Microscopy Setup for Optical Sensing Applications
... The field intensities show the same behaviour with f=100mm where the values were decreased with the increment of the distance between laser and ...of field intensities using f=20cm were smaller than ...
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Scanning electrochemical microscopy: approach curves for sphere cap scanning electrochemical microscopy tips
... Materials: All electrochemical experiments were conducted in a two-electrode jacketed cell located inside a grounded Faraday cage and connected via plastic tubing to a water bath (Grant W14) set at 25 ° C. To minimize ...
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