Direct Characterization of Plasmonic Slot Waveguides
... beam excites both slot plasmons confined within a dielectric gap in a metal film and surface plasmon polaritons (SPP) propagating along the metal film interface perpendicular to the slot, and the resulting near-field interference pattern is mapped with a scattering-type scanning near-field optical micros ...
... beam excites both slot plasmons confined within a dielectric gap in a metal film and surface plasmon polaritons (SPP) propagating along the metal film interface perpendicular to the slot, and the resulting near-field interference pattern is mapped with a scattering-type scanning near-field optical micros ...
Introduction
... photoluminescence. Photoluminescence is a term used to designate a number of effects, including fluorescence, phosphorescence, and Raman scattering. ...
... photoluminescence. Photoluminescence is a term used to designate a number of effects, including fluorescence, phosphorescence, and Raman scattering. ...
physica status solidi
... affect the oscillator strengths of the exciton resonances. Fig. 2 (b) also shows linear approximations of the dose dependence ℏΔΓ2*(D) = αD. The values of the irradiation-induced broadening factors α thus obtained are given in Table 1. Analysis of the P549 QW3 resonance broadening was hampered becau ...
... affect the oscillator strengths of the exciton resonances. Fig. 2 (b) also shows linear approximations of the dose dependence ℏΔΓ2*(D) = αD. The values of the irradiation-induced broadening factors α thus obtained are given in Table 1. Analysis of the P549 QW3 resonance broadening was hampered becau ...
Document
... Meaning: If we launched 1.05mW = 0.2dBm, fiber loss alone would cause the receiver to receive 0.2dBm-(0.2dB/km)(20km) = -3.8dBm. However, if SBS is present, the Stokes and signal powers are equal in threshold condition; therefore the receiver gets -3.8dBm- 3dB = -6.8 dBm. The backwards Stokes wave h ...
... Meaning: If we launched 1.05mW = 0.2dBm, fiber loss alone would cause the receiver to receive 0.2dBm-(0.2dB/km)(20km) = -3.8dBm. However, if SBS is present, the Stokes and signal powers are equal in threshold condition; therefore the receiver gets -3.8dBm- 3dB = -6.8 dBm. The backwards Stokes wave h ...
PDF
... optical properties are closely related to the electronic state of the conjugated backbone. The carbon atoms of the backbone are in a plane within the lattice and chains are extended along the c axis of the crystal. Another structure called the butatrienic structure (see Figure Ib) has also been prop ...
... optical properties are closely related to the electronic state of the conjugated backbone. The carbon atoms of the backbone are in a plane within the lattice and chains are extended along the c axis of the crystal. Another structure called the butatrienic structure (see Figure Ib) has also been prop ...
Interferometric near-infrared spectroscopy directly quantifies optical
... [Eqs. (2) and (3)] and parametric (e.g., temporal) averages within a sample. DSCL techniques have two main limitations. Firstly, the photon time-of-flight (TOF) is not measured. Accurate determination of particle dynamics from multiply scattered light is challenging if the TOF distribution is unknow ...
... [Eqs. (2) and (3)] and parametric (e.g., temporal) averages within a sample. DSCL techniques have two main limitations. Firstly, the photon time-of-flight (TOF) is not measured. Accurate determination of particle dynamics from multiply scattered light is challenging if the TOF distribution is unknow ...
10 fs ultrafast all-optical switching in polystyrene nonlinear photonic
... All-optical switching has received much attention for a long time due to its potential applications in integrated optics and ultrahigh-speed information processing. Photonic crystal all-optical switching is a promising scheme to realize switching with ultrafast response time.1–6 The refractive index ...
... All-optical switching has received much attention for a long time due to its potential applications in integrated optics and ultrahigh-speed information processing. Photonic crystal all-optical switching is a promising scheme to realize switching with ultrafast response time.1–6 The refractive index ...
High resolution spectral self-interference fluorescence microscopy
... biological specimens. Light would be an ideal carrier of microscopic information if it weren’t for the resolution limit. But because of diffraction, standard light microscopes are not able to discern two objects closer together than about 200 nm in the focal plane. In the direction perpendicular to ...
... biological specimens. Light would be an ideal carrier of microscopic information if it weren’t for the resolution limit. But because of diffraction, standard light microscopes are not able to discern two objects closer together than about 200 nm in the focal plane. In the direction perpendicular to ...
A Reliable Method For Extraction Of Material Parameters In
... and . Starting with a good estimation of and and repeating the whole procedure described in this paragraph, one will converge to the solution after a few iterations. The principle of this new extraction procedure that takes into ...
... and . Starting with a good estimation of and and repeating the whole procedure described in this paragraph, one will converge to the solution after a few iterations. The principle of this new extraction procedure that takes into ...
Transversal ultrasonic probe
... Ultrasonic testing of solid materials may require probing very small areas of a material. This can be done by coupling flat ultrasonic shear wave transducers to conical tips1. In many cases implying simultaneous detection of shear and longitudinal components, it can be very difficult to detect selec ...
... Ultrasonic testing of solid materials may require probing very small areas of a material. This can be done by coupling flat ultrasonic shear wave transducers to conical tips1. In many cases implying simultaneous detection of shear and longitudinal components, it can be very difficult to detect selec ...
Controllable optical negative refraction and
... Controllable optical negative refraction and phase conjugation in graphite thin films Hayk Harutyunyan1,2 , Ryan Beams1 and Lukas Novotny1,3 * Optical metamaterials have demonstrated remarkable physical properties, including cloaking, optical magnetism and negative refraction1–3 . The last of these ...
... Controllable optical negative refraction and phase conjugation in graphite thin films Hayk Harutyunyan1,2 , Ryan Beams1 and Lukas Novotny1,3 * Optical metamaterials have demonstrated remarkable physical properties, including cloaking, optical magnetism and negative refraction1–3 . The last of these ...
Nanofabrication via Atom Optics with Chromium
... 1. INTRODUCTION Since the first suggestions that laser light could be used to focus a thermal beam of atoms,1 in particular to nanometerscale spot sizes, 2 there has been increasing interest in investigating the possible application of this phenomenon to nanostructure fabrication. The reason for thi ...
... 1. INTRODUCTION Since the first suggestions that laser light could be used to focus a thermal beam of atoms,1 in particular to nanometerscale spot sizes, 2 there has been increasing interest in investigating the possible application of this phenomenon to nanostructure fabrication. The reason for thi ...
supplementary information
... surface science community. There have been only few approaches employing special nanostructures (such as tip-enhanced Raman spectroscopy and ATR configuration) to getting SERS signals from atomically flat single-crystal surfaces (almost all studies were limited in Au(111)) since the mid-1970s.13-19 ...
... surface science community. There have been only few approaches employing special nanostructures (such as tip-enhanced Raman spectroscopy and ATR configuration) to getting SERS signals from atomically flat single-crystal surfaces (almost all studies were limited in Au(111)) since the mid-1970s.13-19 ...
... solution located near a rigid wall. The technique takes advantage of the diffraction pattern generated by a fluorescent particle that is found below the focal plane of an optical microscope. The particle is then tracked from the analysis of a sequence of digitized images to reconstruct its trajector ...
Writing a superlattice with light forces
... light is coupled in via an optical single-mode fiber (output coupler left) which ensures a stable beam profile and position ...
... light is coupled in via an optical single-mode fiber (output coupler left) which ensures a stable beam profile and position ...
PPT Version - OMICS International
... 1. femtosecond laser is expensive (1 μm) 2. transverse resolution needs to be similar to axial resolution, below 10 μm need short confocal parameter which results in the focus falling off rapidly. Acquisition rate: <10franes/second Lack of large-scale clinical trials ...
... 1. femtosecond laser is expensive (1 μm) 2. transverse resolution needs to be similar to axial resolution, below 10 μm need short confocal parameter which results in the focus falling off rapidly. Acquisition rate: <10franes/second Lack of large-scale clinical trials ...
to - UCL Medical Physics and Biomedical Engineering
... optical excitation is used as it enables the large variation in the optical absorption and scattering properties of different tissue constituents to be exploited. Sources of naturally occurring absorption contrast include chromophores such as haemaglobin (and its various oxygenated states), melanin, ...
... optical excitation is used as it enables the large variation in the optical absorption and scattering properties of different tissue constituents to be exploited. Sources of naturally occurring absorption contrast include chromophores such as haemaglobin (and its various oxygenated states), melanin, ...
Optical laser beam scanner lens relay system
... with standard, i.e. commonly available lenses. Nevertheless, a very good performance can be obtained with a little bit of care in the design. Even a very simple design using achromats is adequate, although significantly improved performance can be obtained if meniscus lenses are added. The general r ...
... with standard, i.e. commonly available lenses. Nevertheless, a very good performance can be obtained with a little bit of care in the design. Even a very simple design using achromats is adequate, although significantly improved performance can be obtained if meniscus lenses are added. The general r ...
Exploring the Interatomic Forces between Tip and Single Molecules
... must be closer to the surface) for conformational changes from crossed to parallel legs than for the opposite direction (PL to CL) because of the higher barrier for this conformational change (see Figure 1d) and therefore in need of larger forces. Because the driving force of the manipulation is dir ...
... must be closer to the surface) for conformational changes from crossed to parallel legs than for the opposite direction (PL to CL) because of the higher barrier for this conformational change (see Figure 1d) and therefore in need of larger forces. Because the driving force of the manipulation is dir ...
Imaging of single-chromophore molecules in aqueous
... canceled and the paper was rescheduled into the present session.) Two-photon excitation has been used for single-molecule detection in solution, as first reported by Webb, et al,1 but high laser irradiances are generally required because of the low two-photon cross-sections. For such experiments, ty ...
... canceled and the paper was rescheduled into the present session.) Two-photon excitation has been used for single-molecule detection in solution, as first reported by Webb, et al,1 but high laser irradiances are generally required because of the low two-photon cross-sections. For such experiments, ty ...
Optimal wavelength for ultrahigh-resolution optical
... and a decrease in resolution when 800 nm or 1.3 µm light sources are used for OCT imaging of biological tissues. Figure 2 shows the calculated broadening of the autocorrelation function due to nonzero dispersion with Eq. (1). The horizontal axis shows OCT resolution which is determined by the sourc ...
... and a decrease in resolution when 800 nm or 1.3 µm light sources are used for OCT imaging of biological tissues. Figure 2 shows the calculated broadening of the autocorrelation function due to nonzero dispersion with Eq. (1). The horizontal axis shows OCT resolution which is determined by the sourc ...
H. F. Ghaemi - Department of Physics | Oregon State
... We identify the transmission minima as the result of Wood’s anomaly,11 which was observed in diffraction gratings and occurs when a diffracted order becomes tangent to the plane of the grating. When the order disappears, the light intensity is redistributed among the remaining orders; it has been su ...
... We identify the transmission minima as the result of Wood’s anomaly,11 which was observed in diffraction gratings and occurs when a diffracted order becomes tangent to the plane of the grating. When the order disappears, the light intensity is redistributed among the remaining orders; it has been su ...
ee230-finaltalk
... • Optical fibers can be used as waveguides for lasers that are: – Cheap – Portable – Robust – “Easy” ...
... • Optical fibers can be used as waveguides for lasers that are: – Cheap – Portable – Robust – “Easy” ...
Astyanax altiparanae - Sistema de Eventos
... deviation=1) were used to produce a matrix of environmental distance among habitats using a Euclidean distance method. The partial Mantel test was used to quantify the influence of limnology and geographical distance on populations differentiation. ...
... deviation=1) were used to produce a matrix of environmental distance among habitats using a Euclidean distance method. The partial Mantel test was used to quantify the influence of limnology and geographical distance on populations differentiation. ...