near-field scanning optical microscopes
Scanning probe microscopes go video rate and beyond
... sulators and a wide variety of biological materials, such as membranes, DNA, and other molecules, the conditions range from extreme temperatures, 4,5 real variable temperature, 6 vacuum or ambient to high pressures, 7,8 ...
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Optical impedance matching studied with Scanning Near Field Optical Microscopy
... with optical microscopes. This lim ited the ability of an optical microscope to resolve objects with dimensions < 250 — 300 nm, depending on the illum ination ...
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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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Differential Near-Field Scanning Optical Microscopy
... the scanning procedure was minimized; (3) each corner could be filtered separately with different, optimal digital filter parameters; and (4) information from different corners can be used to obtain a final image ...
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Study of polarization dependent energy coupling between near field optical probe and mesoscopic metal structure
... the optical signal measured at the gap intensity increases and then with, further increase in the gap width, it decreases pro- vided the polarization is ...both optical images of ...and optical SNOM ...
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Measurement of electric field intensities using scanning near field microwave microscopy
... As the rotation about the vertical axis changes the probe’s position above the sample surface, we must offset the probe po- sition so that the displaced apex of the central protruding con- ductor is located at the same ...
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Near-Field-Far-Field Transformation Technique with Helicoidal Scanning for Elongated Antennas
... accurate near-field — far-field transformation technique with helicoidal scanning is proposed in this ...required near- field data when dealing with elongated ...
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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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Near and Far Field Optical Response of Eccentric Nanoshells
... (EM) field in this region, producing the so-called “hot spots” ...the near electric field much more intense than that of the concentric ...large near-field ...
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ScanImage: Flexible software for operating laser scanning microscopes
... time scanning and acquisition precisely and to achieve high performance in terms of signal-to-noise ra- tio, on-line averaging, and real-time image refresh, many commercially available laser-scanning ...
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Reflection mode scanning near field optical microscopy: Influence of sample type, tip shape, and polarization of light
... onto the end of the tip, increasing the shadowing and hence depressions appear dark. This is illustrated in Fig. 4. This is a gross simplification as ray optics do not hold on to such a small scale, but this is ...
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Preparation of 1,4 bis(4 methylstyryl)benzene nanocrystals by a wet process and evaluation of their optical properties
... This optical feature may have arisen from supramolecu- lar interactions like those caused by the herringbone structure, ...nonlinear optical properties of single nanocrystals will be a particularly ...
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Pathogen Isolation and Pathologic Observation on Explosive Epidemics of Hyriopsis cumingii Lea
... Tissues of diseased mussels were observed under optical microscopes and electron microscopes, pathological changes in different degrees occurred in the organs, tissu[r] ...
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Particle Velocity Sensor and Its Application in Near Field Noise Scanning Measurement
... Figure 6 shows the measurement results of single sound source (1 kHz) using a mapping of sound intensity. The sound intensity is directly calculated from the sound pressure and acoustic particle velocity using P-U probe. ...
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Optical Near Field Study of Ag Nanowires by the Differential Method
... diffracted field can not be computed near the surface vicinity. For near-field, on sub-wavelength features, it is necessary to solve the full vector form of Maxwell’s equations under suitable ...
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Applications of microfluidic chips in optical manipulation & photoporation
... of optical fibre onto the mould, allowing beam delivery to be integrated into the chip at the fabrication level and with the micrometre resolutions obtai- nable in photolithographic ...two optical fibres as ...
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Adaptive Genetic Algorithm Based Source Identification with Near-Field Scanning Method
... the near-field radiation by using conjugate gradient method ...from near- field distribution by a set of infinitesimal dipoles ...the near-field scanning method ...
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Dannerbauer, Helmut (2005): Identification of Sources in MAMBO 1.2mm Deep Fields. Dissertation, LMU München: Fakultät für Physik
... are the highest redshift objects. The loci for the redshifted UV to radio SEDs of six local ULIRGs indicates clearly the scatter in the properties of the local population. In particular, significant offsets to the left ...
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NEAR-FIELD OPTICAL MICROSCOPY AND SPECTROSCOPY WITH POINTED PROBES
... Gerton et al. (47) introduced the second approach for discriminating the back- ground fluorescence associated with the direct irradiation of the sample surface. Here, they use a vertically oscillating tip similar to ...
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Near-field optical microscopy based on microfabricated probes
... an optical beam deflection scheme (Meyer & Amer, 1988). Scanning of the sample in the x-y plane is provided by a closed-loop piezoelectric scanner (scan range 100 mm 100 mm, Physik Instrumente, ...
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