Transversal ultrasonic probe
... best characterize the contact. Two and three wave optical interference analysis is used to explain the presence of fringes of equal thickness disturbances. The S0 Lamb mode turns out to magnify optical effects of the mechanical contact. 1. Introduction Ultrasonic testing of solid materials may requi ...
... best characterize the contact. Two and three wave optical interference analysis is used to explain the presence of fringes of equal thickness disturbances. The S0 Lamb mode turns out to magnify optical effects of the mechanical contact. 1. Introduction Ultrasonic testing of solid materials may requi ...
Document
... 1 rad slope error along the whole active area in both sagittal and meridional directions, cannot be sustained using an external water cooling scheme. To achieve such an optical quality it has been found necessary to cool the silicon down to temperatures where the ratio of thermal expansion to therm ...
... 1 rad slope error along the whole active area in both sagittal and meridional directions, cannot be sustained using an external water cooling scheme. To achieve such an optical quality it has been found necessary to cool the silicon down to temperatures where the ratio of thermal expansion to therm ...
Experimental study of Bloch vector analysis in nonlinear, finite
... by spectrophotometer and the experimental curves were modeled with a standard transfer-matrix method [4]. The optical constants for Ag used to fit the data were taken from the book of Palik [13], and the optical constants for Ta2 O5 were taken from previously measured data [14] of the reflectance of ...
... by spectrophotometer and the experimental curves were modeled with a standard transfer-matrix method [4]. The optical constants for Ag used to fit the data were taken from the book of Palik [13], and the optical constants for Ta2 O5 were taken from previously measured data [14] of the reflectance of ...
High-speed spectral-domain optical coherence tomography at 1.3
... impractical due to insufficient sensitivity. Optical tomographic imaging using frequency domain ranging has recently attracted significant interest because of its superior sensitivity relative to time domain ranging [3-8]. As a result of its signal-to-noise ratio (SNR) advantage, frequency domain im ...
... impractical due to insufficient sensitivity. Optical tomographic imaging using frequency domain ranging has recently attracted significant interest because of its superior sensitivity relative to time domain ranging [3-8]. As a result of its signal-to-noise ratio (SNR) advantage, frequency domain im ...
Optical Data Storage: The past, present, and a possible future
... with the near field, where the space between the disk and detector/lens is on the order of 10-25 nm. At this size, dust and scratches can cause serious detection problems. Another approach is to use Super-RENS (resolution near-field structures). These structures do not need the close proximity, and ...
... with the near field, where the space between the disk and detector/lens is on the order of 10-25 nm. At this size, dust and scratches can cause serious detection problems. Another approach is to use Super-RENS (resolution near-field structures). These structures do not need the close proximity, and ...
EE 420 - Optical Fiber Communications Lab
... refractive index profile, the lateral misalignment loss Lx (in dB) can be estimated theoretically using the following simple expression: x Lx 10 log[1 0.75( )], for 0 x 0.4a a ...
... refractive index profile, the lateral misalignment loss Lx (in dB) can be estimated theoretically using the following simple expression: x Lx 10 log[1 0.75( )], for 0 x 0.4a a ...
Single camera spectral domain polarization
... ophthalmology [8–10]. The recent development of PSOCT has been shifted to spectral domain implementation [11–14,11,15] due to its superior speed and sensitivity that are critical for in vivo three dimensional applications. In order to extract polarization properties in a birefringence sample, at lea ...
... ophthalmology [8–10]. The recent development of PSOCT has been shifted to spectral domain implementation [11–14,11,15] due to its superior speed and sensitivity that are critical for in vivo three dimensional applications. In order to extract polarization properties in a birefringence sample, at lea ...
Reflection of Light
... significant points, such as the top and bottom of the object. The number of other points depends on the object. ...
... significant points, such as the top and bottom of the object. The number of other points depends on the object. ...
Surface Plasmon Polaritons Excited By Electromagnetic Waves
... component of D. In this letter, we rigorously describe surface plasmon polaritons (SPPs) excited by electromagnetic waves at a single interface between two arbitrary media assuming the most general electromagnetic boundary conditions that allow for non-zero surface sources. The traditional descripti ...
... component of D. In this letter, we rigorously describe surface plasmon polaritons (SPPs) excited by electromagnetic waves at a single interface between two arbitrary media assuming the most general electromagnetic boundary conditions that allow for non-zero surface sources. The traditional descripti ...
Document
... Phase contrast microscopy (PCM) represents a major breakthrough in the field of light microscopy. Developed in the 1930s by the Dutch physicist Frits Zernike, for which he received the Nobel Prize in physics in 1953, PCM strikes with its simplicity and yet powerful capability. Much of what is kn ...
... Phase contrast microscopy (PCM) represents a major breakthrough in the field of light microscopy. Developed in the 1930s by the Dutch physicist Frits Zernike, for which he received the Nobel Prize in physics in 1953, PCM strikes with its simplicity and yet powerful capability. Much of what is kn ...
May2016
... a) Write down the expression for intensity .for diffraction througn double slit and hence draw intensity distribution curve for diffraction through double slit considering value of b=2a, b) Why De.-Broglie waves are insignificant in the case of macro bodies? .17Aplain with the ...
... a) Write down the expression for intensity .for diffraction througn double slit and hence draw intensity distribution curve for diffraction through double slit considering value of b=2a, b) Why De.-Broglie waves are insignificant in the case of macro bodies? .17Aplain with the ...
In situ self-release of thick GaN wafer from
... Figure S2 shows the band structures of the surface models for various polar and non-polar planes. One can see that the surface states of m(2)-plane [Fig. S2d] largely occupy the energy range where the Fermi level resides. This means that this type of surface would be more metallic, active and unstab ...
... Figure S2 shows the band structures of the surface models for various polar and non-polar planes. One can see that the surface states of m(2)-plane [Fig. S2d] largely occupy the energy range where the Fermi level resides. This means that this type of surface would be more metallic, active and unstab ...
Reflection,Refraction, Lenses
... a perfect mirror, depending on the angle at which light strikes it. When an angle of incidence greater than the critical angle, the light cannot pass through the surface - it is all reflected. This is called total internal reflection. ...
... a perfect mirror, depending on the angle at which light strikes it. When an angle of incidence greater than the critical angle, the light cannot pass through the surface - it is all reflected. This is called total internal reflection. ...
Sensitivity of the FluoroLog® and FluoroMax
... baseline noise measurements, and corresponding S/N. The S/N is the emission peak counts divided by the square-root of the baseline counts. ...
... baseline noise measurements, and corresponding S/N. The S/N is the emission peak counts divided by the square-root of the baseline counts. ...
Enhancement of absorption and color contrast in
... The experimental spectra are summarized in Figs. 4(a)–4(d). Four reflectivity curves are shown per panel, corresponding to no Al2O3 film (solid line), and Al2O3 films with a thickness of 14 nm (dashed), 28 nm (dashed-dotted), and 44 nm (dotted). Panels (a)–(d) correspond to Ge film thicknesses of ap ...
... The experimental spectra are summarized in Figs. 4(a)–4(d). Four reflectivity curves are shown per panel, corresponding to no Al2O3 film (solid line), and Al2O3 films with a thickness of 14 nm (dashed), 28 nm (dashed-dotted), and 44 nm (dotted). Panels (a)–(d) correspond to Ge film thicknesses of ap ...
The Fresnel Biprism
... tightly packed interference pattern and as a result, there are more fringes spaced closer together. There was some potential error in setting up the system in that the rib of the prism was meant to be at the centre of the illuminated area, this is fairly subjective as the area surrounding the rib wa ...
... tightly packed interference pattern and as a result, there are more fringes spaced closer together. There was some potential error in setting up the system in that the rib of the prism was meant to be at the centre of the illuminated area, this is fairly subjective as the area surrounding the rib wa ...
Nanophotonics: Shrinking light-based technology
... at improving fluorescence microscopy in biological systems (7). Besides engineering emission directivity, antennas open a completely new regime for light-matter interaction strengths, especially in the case of dimer antennas with narrow gaps, through which plasmon modes can efficiently interact (Fig ...
... at improving fluorescence microscopy in biological systems (7). Besides engineering emission directivity, antennas open a completely new regime for light-matter interaction strengths, especially in the case of dimer antennas with narrow gaps, through which plasmon modes can efficiently interact (Fig ...
Enhancing The Near Field and Transmission Efficiency through
... slot and annular aperture have been studied to overcome such a low transmission efficiency problem. In general the transmission through a small coupling aperture and the spatial confinement of the electromagnetic energy are taken as two conflicting characteristics of the compromise problem which we ...
... slot and annular aperture have been studied to overcome such a low transmission efficiency problem. In general the transmission through a small coupling aperture and the spatial confinement of the electromagnetic energy are taken as two conflicting characteristics of the compromise problem which we ...