Numerical Analysis of Fifth-Harmonic Conversion of Low
... be explained as follows. In the crystal arrangement used in the generation process, the fourth harmonic generated from the cavity is horizontally polarized. The fifth harmonic is generated in a type I phase-matched BBO crystal by summing the fourth-harmonic radiation with that portion of the fundamen ...
... be explained as follows. In the crystal arrangement used in the generation process, the fourth harmonic generated from the cavity is horizontally polarized. The fifth harmonic is generated in a type I phase-matched BBO crystal by summing the fourth-harmonic radiation with that portion of the fundamen ...
Tellurium crystals - Iowa Research Online
... the same distance with the same illumination. Tellurium is classified as a metal, and the best determinations of its atomic weight are given as 1 2 7 .5 , although there seems as yet to be an opinion1 that Tellurium consists of two different elements, one of atomic weight about 1 2 7 , and the other ...
... the same distance with the same illumination. Tellurium is classified as a metal, and the best determinations of its atomic weight are given as 1 2 7 .5 , although there seems as yet to be an opinion1 that Tellurium consists of two different elements, one of atomic weight about 1 2 7 , and the other ...
Subwavelength imaging in photonic crystals * Chiyan Luo,
... proposed in the 1960s,1 recently attracted strong research interest2–16 and generated some heated debate.17–29 In particular, much attention was focused on the intriguing possibility of superlensing suggested in Ref. 5: a slab of uniform ‘‘left-handed material’’ with permittivity ⑀ ⫽⫺1 and permeabil ...
... proposed in the 1960s,1 recently attracted strong research interest2–16 and generated some heated debate.17–29 In particular, much attention was focused on the intriguing possibility of superlensing suggested in Ref. 5: a slab of uniform ‘‘left-handed material’’ with permittivity ⑀ ⫽⫺1 and permeabil ...
Defect-tolerant extreme ultraviolet nanoscale printing L. Urbanski, * A. Isoyan, A. Stein,
... region where the defects were placed in the Talbot mask; however, these defects do not appear in the prints. The resolution of the diffraction limited image depends on the characteristics of the mask that determines the numerical aperture of the optical system. The image resolution is given by: s ...
... region where the defects were placed in the Talbot mask; however, these defects do not appear in the prints. The resolution of the diffraction limited image depends on the characteristics of the mask that determines the numerical aperture of the optical system. The image resolution is given by: s ...
IOSR Journal of Humanities and Social Science (JHSS)
... artworks in this paper, that the technology is able to enter deeply even in the more things humanitarian(Art), influence it, and vulnerability by it, hence produces a works of art intensive in its concept, distinctive in its shape, new of its kind, and interacts with the time and place. Therefor we ...
... artworks in this paper, that the technology is able to enter deeply even in the more things humanitarian(Art), influence it, and vulnerability by it, hence produces a works of art intensive in its concept, distinctive in its shape, new of its kind, and interacts with the time and place. Therefor we ...
Imaging Properties of Laser-Produced Parabolic Profile Microlenses
... 2 which have larger numerical aperture and larger wave front aberrations and because of that smaller PSF. The second group consists of microlenses 3, 4, and 5 which have smaller numerical aperture and smaller wave front aberrations and because of that larger PSF. The spot diagram represents method f ...
... 2 which have larger numerical aperture and larger wave front aberrations and because of that smaller PSF. The second group consists of microlenses 3, 4, and 5 which have smaller numerical aperture and smaller wave front aberrations and because of that larger PSF. The spot diagram represents method f ...
Broad Band Two-Dimensional Manipulation of Surface Plasmons
... interference patters are not distinguishable by the far field fluorescent imaging method). After a polarizer is added in the excitation beam, as indicated by the white arrows, the SPP sources at the horizontal slits are completely turned “off”. The interference patterns inside of the triangle, squar ...
... interference patters are not distinguishable by the far field fluorescent imaging method). After a polarizer is added in the excitation beam, as indicated by the white arrows, the SPP sources at the horizontal slits are completely turned “off”. The interference patterns inside of the triangle, squar ...
Measurement of Orbital Angular Momentum in Optical
... Queensland, QLD 4072, Australia. ABSTRACT Several techniques have been proposed and used for the rotation or alignment of microparticles in optical tweezers. In every case the optical torque results from the exchange of angular momentum between the beam and the particle, and, in principle, can be me ...
... Queensland, QLD 4072, Australia. ABSTRACT Several techniques have been proposed and used for the rotation or alignment of microparticles in optical tweezers. In every case the optical torque results from the exchange of angular momentum between the beam and the particle, and, in principle, can be me ...
Ultracompact high-efficiency polarizing beam splitter with a hybrid
... waveguides, which is divided by the incident power to yield the eff iciency with which light is directed into the output waveguides. From Fig. 1(b) it is clear that this hybrid structure splits TM and TE polarization to the output waveguides effectively for a wide wavelength range. The waveguide ins ...
... waveguides, which is divided by the incident power to yield the eff iciency with which light is directed into the output waveguides. From Fig. 1(b) it is clear that this hybrid structure splits TM and TE polarization to the output waveguides effectively for a wide wavelength range. The waveguide ins ...
RAYS, WAVES AND ASYMPTOTICS1 1. Introduction
... boundary and another straight line from the boundary to Q, with the law of reflection obeyed. To obtain this conclusion, we must consider only paths with a point on the boundary, and then use Heron's result. Fermât also showed that when P and Q lie on opposite sides of a plane interface between two ...
... boundary and another straight line from the boundary to Q, with the law of reflection obeyed. To obtain this conclusion, we must consider only paths with a point on the boundary, and then use Heron's result. Fermât also showed that when P and Q lie on opposite sides of a plane interface between two ...
Stabler, Graham (2005) High resolution wide field surface plasmon
... The key problems with sensing and characterizing thin films optically, is the fact that they are thin[2]. This means that the optical path of light passing through the material is very short and the materials effect on the amplitude and phase of the light, small. This is especially so for the case o ...
... The key problems with sensing and characterizing thin films optically, is the fact that they are thin[2]. This means that the optical path of light passing through the material is very short and the materials effect on the amplitude and phase of the light, small. This is especially so for the case o ...
Diffraction effects in optical interferometric displacement detection in nanoelectromechanical systems
... The NEMS devices used in these experiments were silicon doubly clamped beams. The devices were fabricated on a silicon-on-insulator wafer with a 219-nm-thick silicon device layer on top of a 396-nm-thick sacrificial oxide layer. Figure 1(a) shows a scanning electron micrograph of a completed family ...
... The NEMS devices used in these experiments were silicon doubly clamped beams. The devices were fabricated on a silicon-on-insulator wafer with a 219-nm-thick silicon device layer on top of a 396-nm-thick sacrificial oxide layer. Figure 1(a) shows a scanning electron micrograph of a completed family ...
Get PDF - OSA Publishing
... When the detector is infinitesimally small, i.e., Dx ∼ δx, one obtains an effective PSF that is given by hex x × hdet x, and this offers superresolution, since this product has a narrower distribution than either hex x or hdet alone. This enhancement is lost if the detector has an extended ...
... When the detector is infinitesimally small, i.e., Dx ∼ δx, one obtains an effective PSF that is given by hex x × hdet x, and this offers superresolution, since this product has a narrower distribution than either hex x or hdet alone. This enhancement is lost if the detector has an extended ...
P approximation for reflectance imaging with an oblique beam of arbitrary profile 1
... available at low cost, reflectance imaging of scattered and fluorescence light signals in the visible and near-infrared regions has attracted active research efforts for clinical and other applications.1–3 Determination of the optical parameters related to light absorption and scattering from the re ...
... available at low cost, reflectance imaging of scattered and fluorescence light signals in the visible and near-infrared regions has attracted active research efforts for clinical and other applications.1–3 Determination of the optical parameters related to light absorption and scattering from the re ...
Multifilamentation transmission through fog
... with radius r ⬃ 100 m has a MFP of only ⬃0.5 mm, so that one individual filament hits about 2000 particles per meter of propagation. This may possibly induce substantial damage on the filamentary structure. However, the droplet radius 共1 m兲 is typically 100 times smaller than the filament size. Si ...
... with radius r ⬃ 100 m has a MFP of only ⬃0.5 mm, so that one individual filament hits about 2000 particles per meter of propagation. This may possibly induce substantial damage on the filamentary structure. However, the droplet radius 共1 m兲 is typically 100 times smaller than the filament size. Si ...
Super-Resolution Microscopy: Interference and Pattern Techniques
... In fluorescence microscopy, the wavelength of the emission light is close to that of the excitation light (λem ≈ λex ). Hence, the reciprocal grating period of the smallest possible illumination pattern approximates the cut-off frequency kcut-off . The delta functions of the Fourier-transformed illum ...
... In fluorescence microscopy, the wavelength of the emission light is close to that of the excitation light (λem ≈ λex ). Hence, the reciprocal grating period of the smallest possible illumination pattern approximates the cut-off frequency kcut-off . The delta functions of the Fourier-transformed illum ...
3.4-?m ZGP RISTRA nanosecond - AS
... optical cavities NF provides a measure of the number of Fresnel zones and indicates the strength of diffractive coupling, so that small NF results in good beam quality, while large NF tends to result in very poor beam quality. For example, with the RISTRA’s physical length of ~109 mm NF can exceed ...
... optical cavities NF provides a measure of the number of Fresnel zones and indicates the strength of diffractive coupling, so that small NF results in good beam quality, while large NF tends to result in very poor beam quality. For example, with the RISTRA’s physical length of ~109 mm NF can exceed ...
Microscopes - Biozentrum
... circular nose piece which may be rotated to select the required objective lens. Typical magnification values of objective lenses are 4x, 5x, 10x, 20x, 40x, 50x and 100x. Some high performance objective lenses may require matched eyepieces to deliver the best optical performance. The stage - a platfo ...
... circular nose piece which may be rotated to select the required objective lens. Typical magnification values of objective lenses are 4x, 5x, 10x, 20x, 40x, 50x and 100x. Some high performance objective lenses may require matched eyepieces to deliver the best optical performance. The stage - a platfo ...
Mineral Properties and Identification
... students should look for. I usually go through one of the nine unknown mineral samples with the class and show them how I would identify the characteristics and use those properties to identify the mineral. 6. I would then show them the five mineral sample stations. Each station would have a mineral ...
... students should look for. I usually go through one of the nine unknown mineral samples with the class and show them how I would identify the characteristics and use those properties to identify the mineral. 6. I would then show them the five mineral sample stations. Each station would have a mineral ...
Physical Properties used in Mineral Identification
... superimposed upon one another about a common center 3. Pisolitic—rounded masses about the size of peas 4. Oolitic—a mineral aggregate formed of small spheres resembling fish roe 5. Banded—a mineral in narrow bands of different colors 6. Massive—compact material without form or distinguishing feature ...
... superimposed upon one another about a common center 3. Pisolitic—rounded masses about the size of peas 4. Oolitic—a mineral aggregate formed of small spheres resembling fish roe 5. Banded—a mineral in narrow bands of different colors 6. Massive—compact material without form or distinguishing feature ...
Propagation of obstructed Bessel and Bessel–Gauss
... Fig. 5 shows a sequence of measured Bessel–Gauss beam intensities during propagation after the two obstructions, with the theoretical predictions shown as insets on the experimental images depicting the calculated boundaries due to the conical waves from the source. Figs. 5 (a) – (d) show the chang ...
... Fig. 5 shows a sequence of measured Bessel–Gauss beam intensities during propagation after the two obstructions, with the theoretical predictions shown as insets on the experimental images depicting the calculated boundaries due to the conical waves from the source. Figs. 5 (a) – (d) show the chang ...
Imaging transport: optical measurements of
... state devices for electronics and optoelectronics. Semiconductors are used in ultraviolet (UV) semiconductor lasers, solar cells, infrared (IR) detectors, and many other electronic devices. Many IR and radar detectors/devices use semiconductor technology. Semiconductors are unique in their ability t ...
... state devices for electronics and optoelectronics. Semiconductors are used in ultraviolet (UV) semiconductor lasers, solar cells, infrared (IR) detectors, and many other electronic devices. Many IR and radar detectors/devices use semiconductor technology. Semiconductors are unique in their ability t ...
Section 4 Diffraction_handbook of optics
... limited spatially to the extent dictated by the aperture of the second lens and are approximately contained in a cone with its apex at the image of the pinhole. It is necessary to clarify that ‘‘a small enough pinhole’’ means that the optics behind the pinhole is not able to resolve its structure.1 ...
... limited spatially to the extent dictated by the aperture of the second lens and are approximately contained in a cone with its apex at the image of the pinhole. It is necessary to clarify that ‘‘a small enough pinhole’’ means that the optics behind the pinhole is not able to resolve its structure.1 ...
Phononic Crystal Waveguiding in GaAs Golnaz Azodi Aval
... The fundamental frequency of the transducers, obtained from S11 measurements plotted versus wave vector. Transducers are single and double fingers of aluminum on a GaAs substrate. The half width of S11 peaks is about 4 MHz and therefore the error bars are too small to be shown on the graph. The Line ...
... The fundamental frequency of the transducers, obtained from S11 measurements plotted versus wave vector. Transducers are single and double fingers of aluminum on a GaAs substrate. The half width of S11 peaks is about 4 MHz and therefore the error bars are too small to be shown on the graph. The Line ...