optical near-field microscopy
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 ...scanning ...
142
Coca López, Nicolás (2018): Confocal and antenna-enhanced microscopy and spectroscopy of graphene. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... antenna’s near-field distribution determines the signal enhancement, and in TENOM experiments, also the spatial resolution and the observed image ...the optical antenna are highly dependent on the ...
134
Scanning near field microscopy of microwave circuits
... particular optical or electrical properties of the surface studied and they can also work with all the common materials used in mi crowave circuits - conductors, semiconductors and dielectric ...quantity: ...
156
Apertureless near-field optical microscopy: Differences between heterodyne interferometric and non-interferometric images.
... electrical field modules for the tip close to the substrate composed by a 10 and a 30nm radius gold sphere in ...strongest near fields, in white, are ∼ ...0 field strength. (b) Near ...
18
Measurement of the local optical phase and amplitude in photonic devices using scanning near field microscopy
... The concept of a coated probe was first suggested in a private communi- cation between Synge and Einstein, in which a metalised quartz cone with a metal free extremity was proposed as a near-field probe. ...
178
Böhmler, Miriam (2012): Tip-enhanced near-field optical microscopy on the quasi 1D semiconductors carbon nanotubes and CdSe nanowires. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... Modified optical properties could in principle result from the particular dimensionality of the core that could lead to different quantum-confined electronic states or an increased density of defect-related ...
139
Apertureless scanning near-field optical microscopy: a comparison between homodyne and heterodyne approaches
... on optical integrated ...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 ...
11
Study of shear force as a distance regulation mechanism for scanning near field optical microscopy
... nm, this could mean that while the distance between this protrusion and the sample is constant, the distance between the optical aperture and the sample is not necessarily so. Figure 7 is consistent with this ...
5
Scanning near-field optical microscopy on dense random assemblies of metal nanoparticles
... expected optical generation rate as follows. The measured optical signals shown in figure 5 were firstly ...electric field distribution translates to the expected optical generation ...
10
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 ...
6
Apertureless scanning near field optical microscope with sub-10nm resolution
... 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 ...of ...
12
Coupling of single quantum dots to photonic crystal cavities investigated by low-temperature scanning near-field optical microscopy
... electric field at this position is weak, the perturbation is not as strong as when the tip is in a region of high mode ...electric field, the mode is on the long wavelength side of ...
6
Phase-resolved terahertz self-detection near-field microscopy
... inherent field sensitivity and compactness, can in principle lead to further elimination of intermediate optical elements and true access to near-field radiation, opening the way to many ...
13
Scanning near-field optical microscopy with white-light illumination: nanoscale imaging and spectroscopy of resonant systems.
... the near-field intensity distribution on the metal film surface outside the crystal for varying wavelengths of the incident light is shown for selected wavelengths in ...same optical data file and ...
8
An investigation of phase mask diffraction patterns and fibre Bragg gratings with scanning near field optical microscopy
... Once the grating had been written into the fibre with a Lambda Physik EMG-150 KrF excimer laser, it was then prepared by gluing its fibre with an Auriga Ltd. EpoTek 353ND epoxy resin along a groove of radius 1m, cut into ...
175
Comparative scanning near-field optical microscopy studies of plasmonic nanoparticle concepts
... scanning near-field optical ...The near field was measured in transmission and reflection and was correlated to the ...substrate near field was ...the optical ...
10
Optical impedance matching studied with Scanning Near Field Optical Microscopy
... The m etal of choice to coat the fibres is alum inium due to its small skin depth for optical wavelengths (6 nm). The coating is applied to form a well defined ap ertu re at the end of the fiber tip and to ...
147
Near-Field Scanning Optical Microscopy: a Brief Overview
... Why NSOM on semiconductor nanostructures ? The example of a single quantum dot.. 2) Imaging of the spectroscopic properties.. Why NSOM on semiconductor nanostructures?[r] ...
30
NEAR-FIELD OPTICAL MICROSCOPY AND SPECTROSCOPY WITH POINTED PROBES
... In near-field optical microscopy, the resolution x no longer depends onλ but on a characteristic length d ...probe. Near-field optical microscopy relies on a ...
29
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 ...the ...
8