A pulsed dye laser for photo-ionization of magnesium atoms
... avoided when a resonant multi-step photo-ionization process is used. The atoms are rst selectively excited on resonant transitions and then ionized. Hence, only the desired species will have a signicant ionization probability. This process also allows for isotope selectivity, if the spectral width ...
... avoided when a resonant multi-step photo-ionization process is used. The atoms are rst selectively excited on resonant transitions and then ionized. Hence, only the desired species will have a signicant ionization probability. This process also allows for isotope selectivity, if the spectral width ...
table of content - Photonics North
... An irresistible blend of European charm and North American effervescence, Montréal’s architecture enchants the visitor with its harmonious contrast of old and new. With some 3.7 million inhabitants and 80 distinct ethnic cultures, Montréal is a resolutely international city. A world leader in a wide ...
... An irresistible blend of European charm and North American effervescence, Montréal’s architecture enchants the visitor with its harmonious contrast of old and new. With some 3.7 million inhabitants and 80 distinct ethnic cultures, Montréal is a resolutely international city. A world leader in a wide ...
Low-Temperature Bonding for Silicon-Based Micro
... Passive alignment (Figure 3b) is a promising strategy because of its short alignment time, high throughput, low cost, compatibility with micro-structures, and multichannel compatibility [26]. It may also eliminate the need for equalization circuits and transmission lines used in active alignment. In ...
... Passive alignment (Figure 3b) is a promising strategy because of its short alignment time, high throughput, low cost, compatibility with micro-structures, and multichannel compatibility [26]. It may also eliminate the need for equalization circuits and transmission lines used in active alignment. In ...
- ePrints Soton
... “unit-cell” grating is illuminated with a planar wave, which degrades the spectrum [17]. The reflectivity spectrum calculated for the equivalent uniform structure (no grating) with the same dimensions and material properties, reveals low reflectivity when compared to the curved grating spectrum. Nex ...
... “unit-cell” grating is illuminated with a planar wave, which degrades the spectrum [17]. The reflectivity spectrum calculated for the equivalent uniform structure (no grating) with the same dimensions and material properties, reveals low reflectivity when compared to the curved grating spectrum. Nex ...
Metal-dielectric-metal plasmonic waveguide devices for
... We did the calculations for two different sets of TR , TL : one in which we used the scattering matrices for the lossy junctions and another for the lossless junctions. The center waveguide of length l had loss in both cases, i.e., kC = (1.03 − i9.45 × 10−4 )2π/λ0 . Figure 3(b) verifies that lossles ...
... We did the calculations for two different sets of TR , TL : one in which we used the scattering matrices for the lossy junctions and another for the lossless junctions. The center waveguide of length l had loss in both cases, i.e., kC = (1.03 − i9.45 × 10−4 )2π/λ0 . Figure 3(b) verifies that lossles ...
Patterned dielectric membranes designed for optical sensing
... an impractically large number of periods in the lattice, in order for high-Q optical modes to be observable. I have designed methods that suppress these edge losses, resulting in a PC bound by in-plane Bragg mirrors. I show, both in simulations and experiments, how Bragg mirrors can be exploited to ...
... an impractically large number of periods in the lattice, in order for high-Q optical modes to be observable. I have designed methods that suppress these edge losses, resulting in a PC bound by in-plane Bragg mirrors. I show, both in simulations and experiments, how Bragg mirrors can be exploited to ...
Effect of fluoro-polycarbonates containing aliphatic
... Changchun 130012, People's Republic of China. E-mail: [email protected]; shizs@ ...
... Changchun 130012, People's Republic of China. E-mail: [email protected]; shizs@ ...
Introduction to Diffraction Grating
... layer of aluminum by vacuum deposition. Parallel, equally spaced grooves are ruled in a groove profile. The ruling engine must be able to retrace the exact path of the diamond forming tool on each stroke and to index (advance) the substrate a predetermined amount after each cut. Numerous test gratin ...
... layer of aluminum by vacuum deposition. Parallel, equally spaced grooves are ruled in a groove profile. The ruling engine must be able to retrace the exact path of the diamond forming tool on each stroke and to index (advance) the substrate a predetermined amount after each cut. Numerous test gratin ...
Chapter 4 Optical Resonator
... of two parallel planar mirrors separated by a distance d = 15 cm in air (n = 1). (b) A transparent plate of thickness d, = 2.5 cm and refractive index n = 1.5 is placed inside the resonator and is tilted slightly to prevent light reflected from the plate from reaching the mirrors. Determine the spac ...
... of two parallel planar mirrors separated by a distance d = 15 cm in air (n = 1). (b) A transparent plate of thickness d, = 2.5 cm and refractive index n = 1.5 is placed inside the resonator and is tilted slightly to prevent light reflected from the plate from reaching the mirrors. Determine the spac ...
Applications of spatial light modulators for optical trapping and
... light field. This phenomenon could be explained by an asymmetric, prism-like particle shape, an asymmetric radial intensity profile of the projected light field, and the particle confinement in the air-liquid interface (Jesacher et al., 2006c). Generally, the forces on microparticles emerging in opt ...
... light field. This phenomenon could be explained by an asymmetric, prism-like particle shape, an asymmetric radial intensity profile of the projected light field, and the particle confinement in the air-liquid interface (Jesacher et al., 2006c). Generally, the forces on microparticles emerging in opt ...
01.01.2001 – 31.03.2003 - Archiv Physik
... R. Walet, and Yang Xian (UMIST, Manchester, UK, 2001), World Scientific J. Schnack, M. Luban, R. Modler, Rotational band structure of low-lying excitations in small Heisenberg systems, in Advances in Quantum Many-Body Theory, Proceedings of "The 11th International Conferences on Recent Progress in M ...
... R. Walet, and Yang Xian (UMIST, Manchester, UK, 2001), World Scientific J. Schnack, M. Luban, R. Modler, Rotational band structure of low-lying excitations in small Heisenberg systems, in Advances in Quantum Many-Body Theory, Proceedings of "The 11th International Conferences on Recent Progress in M ...
TECHNICAL GUIDE
... The vast majority of optical components are made of various types of glass, and most are coated with thin layers of special materials. The purpose of these coatings is to modify the reflection and transmission properties of the components’ surfaces. Whenever light passes from one medium into a mediu ...
... The vast majority of optical components are made of various types of glass, and most are coated with thin layers of special materials. The purpose of these coatings is to modify the reflection and transmission properties of the components’ surfaces. Whenever light passes from one medium into a mediu ...
Measurement and correction of aberrations in light and electron
... 1.1 We want to image the brain To many people the brain is the most fascinating organ of the human body, and much of its function still escapes our understanding. Since fundamental advances in understanding are often brought about by the availability of new techniques, our aim is not only to study t ...
... 1.1 We want to image the brain To many people the brain is the most fascinating organ of the human body, and much of its function still escapes our understanding. Since fundamental advances in understanding are often brought about by the availability of new techniques, our aim is not only to study t ...
Development of Optical Sensor Platforms based on - DORAS
... Integrated optic components such as planar waveguides, grating couplers and diffractive optic elements may all be used to redirect, propagate and shape an optical beam as required by an application. It is expected that integrated optic components, due to their relative ease of fabrication, low cost ...
... Integrated optic components such as planar waveguides, grating couplers and diffractive optic elements may all be used to redirect, propagate and shape an optical beam as required by an application. It is expected that integrated optic components, due to their relative ease of fabrication, low cost ...
Partially coherent beam shaping and imaging
... order to make numerical calculations feasible, so-called modal approaches [46–51] are used extensively, especially to describe partial spatial coherence. Such modal approaches, in which the partially coherent field is represented as a superposition of fully coherent fields, lead to the evaluation of ...
... order to make numerical calculations feasible, so-called modal approaches [46–51] are used extensively, especially to describe partial spatial coherence. Such modal approaches, in which the partially coherent field is represented as a superposition of fully coherent fields, lead to the evaluation of ...
The effect of skin phototype on laser propagation through skin
... Figure 2.1: Relation between total exposure and exposure time for different modes of laser-tissue interaction (with permission from (Peng Q, 2008)). ..................................................................................... 6 Figure 2.2: Relation between fluence rate and exposure time for ...
... Figure 2.1: Relation between total exposure and exposure time for different modes of laser-tissue interaction (with permission from (Peng Q, 2008)). ..................................................................................... 6 Figure 2.2: Relation between fluence rate and exposure time for ...
Customer-Made 3×3 Polymer Optical Fiber Splitter Based on Green
... done by taking three strands of POF and heating the middle parts so that it will melted and fused together until it elongated and shrink to a diameter of 1 mm. Successfully fabricated POF splitter are characterized by measuring the output losses, before and after the POF’s end is being smoothed and ...
... done by taking three strands of POF and heating the middle parts so that it will melted and fused together until it elongated and shrink to a diameter of 1 mm. Successfully fabricated POF splitter are characterized by measuring the output losses, before and after the POF’s end is being smoothed and ...
The Temperature Dependence Of The Gain In
... links has been a major force behind research into solid ...
... links has been a major force behind research into solid ...
Investigation of bending loss in a single
... have been observed by many workers, and Harris and Castle [14] have explained this behaviour by coupling the fundamental mode and the so-called whispering gallery modes using ray optics. This bending loss in coated optical fibres has been investigated by means of numerical methods based on wave opti ...
... have been observed by many workers, and Harris and Castle [14] have explained this behaviour by coupling the fundamental mode and the so-called whispering gallery modes using ray optics. This bending loss in coated optical fibres has been investigated by means of numerical methods based on wave opti ...
Optical Fibers and Fiber-Optic Communications
... Waveguide and Profile Dispersion The energy distribution in a single-mode fiber is a consequence of the boundary conditions at the core-cladding interface, and is therefore a function of optical frequency. A change in frequency will therefore change the propagation constant independent of the disper ...
... Waveguide and Profile Dispersion The energy distribution in a single-mode fiber is a consequence of the boundary conditions at the core-cladding interface, and is therefore a function of optical frequency. A change in frequency will therefore change the propagation constant independent of the disper ...
Properties of a 4Pi confocal fluorescence microscope
... spherical wave front. For technical reasons, the maximum aperture of an oil immersion lens is 1.4, i.e., the aperture angle is below 2 X 68° = 136°o3,4 This fact leads to a geometry for the point-spread-function volume that is extended along the optical axis. If the illumination is uniformly spheric ...
... spherical wave front. For technical reasons, the maximum aperture of an oil immersion lens is 1.4, i.e., the aperture angle is below 2 X 68° = 136°o3,4 This fact leads to a geometry for the point-spread-function volume that is extended along the optical axis. If the illumination is uniformly spheric ...