Sorting by Periodic Potential Energy Landscapes: Optical
... No. 19057), both of which can be tracked to within 30 nm in the plane at 1/60 sec intervals using digital video microscopy [5]. The two sizes can be distinguished reliably, and typical trajectories appear in Fig. 2. Colloidal silica spheres are roughly twice as dense as water and settle into a monol ...
... No. 19057), both of which can be tracked to within 30 nm in the plane at 1/60 sec intervals using digital video microscopy [5]. The two sizes can be distinguished reliably, and typical trajectories appear in Fig. 2. Colloidal silica spheres are roughly twice as dense as water and settle into a monol ...
Index of Refraction (IoR) Technology for
... dielectric constant of a fluid or mixture, and it typically varies linearly with density.1 The note will then discuss three indirect measurement methodologies: conductivity, pH and osmolality – all of which face limitations of dynamic range, linearity, precision, limits of detection (LOD) and limits ...
... dielectric constant of a fluid or mixture, and it typically varies linearly with density.1 The note will then discuss three indirect measurement methodologies: conductivity, pH and osmolality – all of which face limitations of dynamic range, linearity, precision, limits of detection (LOD) and limits ...
Why random potentials?
... Anderson Localisation of photons in strongly scattering semiconductor powders Disruption of electron transport due to defects in a solid – Anderson Localisation? ...
... Anderson Localisation of photons in strongly scattering semiconductor powders Disruption of electron transport due to defects in a solid – Anderson Localisation? ...
anal chem II / IR spectrometry
... where I() is the intensity of light reaching the detector and and is the wavenumber (=1/ ) of the light. Clearly, I is a function of the retardation, . B() is a constant that accounts for the intensity of the light source, efficiency by beamsplitter (which never gives exactly 50% reflection an ...
... where I() is the intensity of light reaching the detector and and is the wavenumber (=1/ ) of the light. Clearly, I is a function of the retardation, . B() is a constant that accounts for the intensity of the light source, efficiency by beamsplitter (which never gives exactly 50% reflection an ...
Graded-index fibers (GRA)
... This chapter describes the wave propagation in graded-index fibers. In particular, the number of propagable waves and the optimal shape of the refractive index profile will be discussed. The single-mode step-index fiber has a high bandwidth (essentially limited only by the waveguide dispersion and m ...
... This chapter describes the wave propagation in graded-index fibers. In particular, the number of propagable waves and the optimal shape of the refractive index profile will be discussed. The single-mode step-index fiber has a high bandwidth (essentially limited only by the waveguide dispersion and m ...
Ellipsometry of light scattering from multilayer coatings
... n 5 0.8 1 j6 with j2 5 21. A better agreement could be found by fitting the measurements and obtaining a more accurate value for the Al complex refractive index, but such an inverse problem is not our purpose here. In Fig. 5 the sample under study at 633 nm has a design given as HLHLH~6L!HLHLH, wher ...
... n 5 0.8 1 j6 with j2 5 21. A better agreement could be found by fitting the measurements and obtaining a more accurate value for the Al complex refractive index, but such an inverse problem is not our purpose here. In Fig. 5 the sample under study at 633 nm has a design given as HLHLH~6L!HLHLH, wher ...
Compact Magnetic Antennas for Directional Excitation of Surface Plasmons Yongmin Liu, Stefano Palomba,
... to fabricate the resonant nanoantennas (Supporting Information). In this case, two clear SPP jets can be observed, which symmetrically propagate away from the grating structure along the polarization axis. Imaging the Fourier plane allows the propagation directions of the wavevectors in k-space to b ...
... to fabricate the resonant nanoantennas (Supporting Information). In this case, two clear SPP jets can be observed, which symmetrically propagate away from the grating structure along the polarization axis. Imaging the Fourier plane allows the propagation directions of the wavevectors in k-space to b ...
Technical Article
... D1[km] [i.e., Eq. (3), i=1]. This analysis readily can be extended to differential, phase stepping, and NxN topologies. For example, the sensitivity of a differential A-scan from Fig. 1(a), Eq. (5) is identical to that obtained from Eq. (3), i=1 because the signal lost by halving D1[km] is regained ...
... D1[km] [i.e., Eq. (3), i=1]. This analysis readily can be extended to differential, phase stepping, and NxN topologies. For example, the sensitivity of a differential A-scan from Fig. 1(a), Eq. (5) is identical to that obtained from Eq. (3), i=1 because the signal lost by halving D1[km] is regained ...
Using GPUs for Real time Prediction of Optical Forces on Microsphere Ensembles
... force on the surface of the deformable cell • Bianchi and Leonardo used GPUs to perform optical manipulation using holograms in real-time Ashkin, A., 1992. “Forces of a single-beam gradient laser trap on a dielectric sphere in the ray optics regime”. Biophysical Journal, 61, Feb., pp. 569–582. Baner ...
... force on the surface of the deformable cell • Bianchi and Leonardo used GPUs to perform optical manipulation using holograms in real-time Ashkin, A., 1992. “Forces of a single-beam gradient laser trap on a dielectric sphere in the ray optics regime”. Biophysical Journal, 61, Feb., pp. 569–582. Baner ...
Analysis of the detective quantum efficiency of
... systemsto theoretically calculate the detective quantum efficiency (DQE) as a function of spatial frequency. Proper engineeringdecisionsin the design and optimization of cascadedsystemsrequires a knowledge of quantum fluence levels at each stage.Conventional nomogramshave beenused in the past to dis ...
... systemsto theoretically calculate the detective quantum efficiency (DQE) as a function of spatial frequency. Proper engineeringdecisionsin the design and optimization of cascadedsystemsrequires a knowledge of quantum fluence levels at each stage.Conventional nomogramshave beenused in the past to dis ...
Soliton Self-Frequency Shift Cancellation in
... soliton central frequency from the wavenumber matching conditions (12, 21) (Fig. 1B). There are two branches of Cherenkov radiation. One branch is blue-shifted and the other one is red-shifted with respect to the soliton frequency, whereas for the conventional fiber there is only a blue-shifted bran ...
... soliton central frequency from the wavenumber matching conditions (12, 21) (Fig. 1B). There are two branches of Cherenkov radiation. One branch is blue-shifted and the other one is red-shifted with respect to the soliton frequency, whereas for the conventional fiber there is only a blue-shifted bran ...
Doppler-Free Saturated Absorption Spectroscopy of Rubidium Using a Tunable Diode Laser
... adjusting, and tested. The optical equipment needed for saturated absorption spectroscopy was arranged as shown in Figure 2. The optical isolator was aligned to maximize transmission, and the half-wave plate was adjusted such that one to two mW of power was going into the saturated absorption spectr ...
... adjusting, and tested. The optical equipment needed for saturated absorption spectroscopy was arranged as shown in Figure 2. The optical isolator was aligned to maximize transmission, and the half-wave plate was adjusted such that one to two mW of power was going into the saturated absorption spectr ...
Femto-Photography: Capturing and Visualizing the
... Our system can record and reconstruct space-time world information of incoherent light propagation in free-space, table-top scenes, at a resolution of up to 672 × 1000 pixels and under 2 picoseconds per frame. The varied range and complexity of the scenes we capture allow us to visualize the dynamic ...
... Our system can record and reconstruct space-time world information of incoherent light propagation in free-space, table-top scenes, at a resolution of up to 672 × 1000 pixels and under 2 picoseconds per frame. The varied range and complexity of the scenes we capture allow us to visualize the dynamic ...
Thick Lenses and the ABCD Formalism
... Note the beam can only be re-imaged onto itself if d<2R. Another way of saying that is 0≤g2≤1 the “stability criterion” for a resonator. ...
... Note the beam can only be re-imaged onto itself if d<2R. Another way of saying that is 0≤g2≤1 the “stability criterion” for a resonator. ...
... in the silicon core reducing the impedance mismatch between the two waveguide sections. This silicon waveguide thickness also allows a large amount of the electromagnetic wave to propagate in the low loss Si region, which minimizes the plasmonic MOS mode metal losses. Furthermore, the doping level o ...
Mode selective fiber Bragg gratings
... fiber Bragg gratings (FBGs) compete with dielectric mirrors and volume Bragg gratings as resonator mirrors. However, many high power fiber laser systems rely on large mode area (LMA) fibers. FBG inscription by conventional means is challenging here, because for large, actively doped fiber cores, the nec ...
... fiber Bragg gratings (FBGs) compete with dielectric mirrors and volume Bragg gratings as resonator mirrors. However, many high power fiber laser systems rely on large mode area (LMA) fibers. FBG inscription by conventional means is challenging here, because for large, actively doped fiber cores, the nec ...