Near-Field Optical Trapping and Guiding
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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Apertureless Near-Field Optical Microscopy
... A comparison of the results discussed in the present chapter with experimental work is, of course, desirable. Apertureless SNOM images of isolated colloidal silver or gold particles or well-defined clusters of such ...
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Optical impedance matching with scanning near field optical microscopy
... through the approach of impedance matching. By using a sample with various impedance values imaged with probes of different apertures we demonstrated that these predictions hold well at least semi-quantitatively. We ...
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Differential Near-Field Scanning Optical Microscopy
... For the recovery of the final 2D intensity image, due to their superior performance we used the results of C1 and C2. By taking the average of the recovered images of C1 and C2 (parts b and c of Figure 4, respectively), ...
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Facts and artifacts in near-field optical microscopy
... Near-field optical ~NFO! microscopes with an auxiliary gap width regulation ~shear force, tunneling ! may produce images that represent the path of the probe rather than optical properties of ...
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Near field optical microscopy: a brief review
... the near field ...for optical lithography, which was demonstrated as such very recently ...This field has lots of fundamental interests for light-matter interactions, as well as for ...
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Near-field scanning optical microscopy (SNOM)
... The most widespread and easily implemented mode for chemical imaging by near-field optical methods. A fluorescent tag must be attached to the molecules of interest, unless their natural fluorescence ...
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Optical impedance matching studied with Scanning Near Field Optical Microscopy
... These pinholes would act as additional apertures and therefore com plicating the interpretation of optical images. A th in coating can also result in the excitation of surface plasm ons which can then travel to ...
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Optical trapping: optical interferometric metrology and nanophotonics
... the far-field interference between the microparticles was sufficient to elucidate the azimuthal phase variations and coherence of a LG beam. In the first two microsphere experiments, the trapped sphere scattered ...
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Apertureless near field optical microscopy for fluorescence imaging
... no field would penetrate the metal and aperture sizes would not have a lower bound; in practice, though, the metal coating is a relatively poor conductor at optical frequencies, and electromagnetic fields ...
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Scanning Head for the Apertureless near Field Optical Microscope
... Light Field Distribution around the Tip In many practical applications it is very useful to know the real configuration of the electromagnetic field at the very tip ...the optical path from the ...
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Near and Far Field Optical Response of Eccentric Nanoshells
... the near- and far-field optical response of eccentric metallic nano- shells as a function of core ...electric field enhancements for resonant excitation of EN plasmons can be substantially ...
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Recent Advances in Near-field Scanning Optical Microscopy
... double-tapered structure with a large cone angle (insets in Fig. 3 (a) ). 7) This structure is easily realized using a multi-step HF etching technique. In Fig. 3(a) the transmission coeffi- cient (the ratio of the light ...
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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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Near-field optical microscopy based on microfabricated probes
... Axiovert 135, Oberkochen, Germany) serves as a base for the microscope head. The cantilever deflection is measured by an optical beam deflection scheme (Meyer & Amer, 1988). Scanning of the sample in the x-y ...
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NEAR-FIELD OPTICAL MICROSCOPY: TOWARDS THE MOLECULAR SCALE
... by optical means at room temperature was achieved by near- field scanning optical microscopy (NSOM) ...both near-field [7] and far-field methods [8-10], revealing single ...
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Mapping near-field plasmonic interactions of silver particles with scanning near-field optical microscopy measurements
... scanning near-field optical microscope (SNOM) is a powerful tool to investigate optical effects that are smaller than Abbe’s ...and optical near-field data that can be ...
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Trapping and guiding microscopic particles with light-induced forces
... standard optical tweezers in liquids, where a gradient force moves particles towards local intensity maxima in the ...regime trapping for particles with low refractive index, such as confining ultrasound ...
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Optical Near Field Study of Ag Nanowires by the Differential Method
... The optical response of subwavelength silver nanowires arranged periodically on silica has been analyzed numerically by the differential method improved by the S matrix ...in near and far-field ...
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Near Field Scanning Optical Microscopy(NSOM) of nano devices
... and optical signal ...the field of nanotechnology is the ability to optically image nano-structures at high resolution and characterize devices to obtain the relevant electro-optical ...the ...
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