optical near field technique
The application of scanning near field optical imaging to the study of human sperm morphology
... new optical technique (Trumorph system) has been recently described ...This technique allows the analysis of living unmodified sperm- atozoa that are immobilized in narrow chambers and ex- amined by ...
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Polarization Properties in Apertureless Type Scanning Near Field Optical Microscopy
... scanning near-field optical microscopy (a-SNOM) were measured experimentally and were also analyzed using a finite-difference time-domain (FDTD) ...detection technique could be decomposed into ...
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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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Near-field optical microscopy based on microfabricated probes
... scanning near-field optical micro- scopy (SNOM) is not a widespread ...from optical fibres by either heat-pulling or etching (StoÈckle et ...
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Intragrain Defect Characterization Of Solar Grade Silicon Using Near-Field Scanning Optical Microscopy
... scanning optical microscopy (NSOM) is a submicron resolution characterization technique that provides both qualitative and quantitative information about the carrier lifetime and collection efficiency at ...
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Differential Near-Field Scanning Optical Microscopy
... While the advantages of DNSOM are substantial, some limitations of this technique exist. First, the object size cannot extend beyond twice the aperture/detector width. This limitation does not exist in ...
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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 ...
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Optical impedance matching with scanning near field optical microscopy
... the optical regime. We performed the experiment using Scanning Near-Field Optical Microscopy (SNOM) [4], a technique which allows resolution well below the diffraction ...the ...
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Investigation of erbium dopant distribution in silica optical fibers with fluorescence-based measurements using a near-field scanning microscope
... this technique has only been demonstrated for the investigation of the Er 3þ ion distribution in optical fibers, it is expected that other REs may be examined in a similar manner provided that certain ...
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Terahertz Nanoscopy of Plasmonic Resonances with a Quantum Cascade Laser
... research field this non-ionizing radiation has been used for diagnostics, due to its capability of discriminating between healthy and cancerous tissues ...[3]. Near-field imaging techniques have ...
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Absorbance Modulation Optical Lithography: Simulating the Performance of an Adaptable Absorbance Mask in the Near Field
... the optical near-field with a technique to control and reduce the exposure size would allow non-diffraction limited lithography and have been explored by tech- niques such as beam-pen ...
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Apertureless scanning near field optical microscope with sub-10nm resolution
... far field optics have to be used for both excitation and collection and the parasitic background signals are considerably ...scattered field at higher order cantilever harmonics with lock-in detection has ...
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Identification of Near-Field and Far-Field Using Confocal Microscopy Setup for Optical Sensing Applications
... successful, optical fibre probes are fabricated using several types of ...and-pull technique results in a smooth conical tapered surface (Mukhtar et ...this technique enables to produce identical ...
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Apertureless scanning near-field optical microscopy: a comparison between homodyne and heterodyne approaches
... on optical integrated ...exchange technique described in ...evanescent field gener- ated by total internal reflection within the ...scattered field is proportional to the guided ...the ...
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High resolution source localization in near field sensor arrays by MVDR technique
... a technique for near field source localization that could be used in terahertz or millimeter wave security scanning, and to evaluate its strengths and ...of near field sources inspired ...
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Magneto-Optic Spectroscopy and Near-Field Optical Coupling in Nanoparticle Composite Materials
... particles in the PMMA matrix, a red-shift and broadening of the main spectral feature is observed. Calculations using existing EMT models fail to account for the shifts seen in the experimental data. Using a ...
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Polarization-modulation near-field optical microscope for quantitative local dichroism mapping
... For our measurements we have used a special dichroic sample, 15 made by diluting a high-efficiency fluorescent chromophore, a terthiophene derivative, 16 in ultrahigh mo- lecular weight polyethylene and by subsequent ...
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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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Study of shear force as a distance regulation mechanism for scanning near field optical microscopy
... Shear-force distance regulation has practically become a standard component of most scanning near-field optical mi- croscopes ~ SNOMs ! today. 1,2 Its development was primarily driven by the need to ...
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In Situ Observation and Acoustic Emission Analysis for SCC of MgCl2 Droplet in SUS304 Stainless Steel
... in-situ optical observation technique using a video microscope (VMS) with near-field AE measurement to estimate AE sources of the corrosion testing in a ...
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