Introduction to DWDM Technology
... There is a natural tendency to regard the MAN as simply a scaled-down version of the long-haul network. It is true that networks serving the metropolitan area encompass shorter distances than in the long-haul transport networks. Upon closer examination, however, these differences are superficial com ...
... There is a natural tendency to regard the MAN as simply a scaled-down version of the long-haul network. It is true that networks serving the metropolitan area encompass shorter distances than in the long-haul transport networks. Upon closer examination, however, these differences are superficial com ...
Switching terahertz waves with gate-controlled active graphene metamaterials LETTERS *
... time τ = 16 fs and carrier density at the conductivity minimum n0 = 4×1011 cm−2 . The fitted scattering time and the carrier density at the conductivity minimum are comparable to those previously reported for thermally grown graphene30,31 . It is worth noting that the nonlinear change in transmissio ...
... time τ = 16 fs and carrier density at the conductivity minimum n0 = 4×1011 cm−2 . The fitted scattering time and the carrier density at the conductivity minimum are comparable to those previously reported for thermally grown graphene30,31 . It is worth noting that the nonlinear change in transmissio ...
Mode-Matching Analysis of Whispering-Gallery
... This thesis presents a full-vectorial mode matching method for whispering gallery microcavity analysis. With this technique, optical properties such as resonance wavelength, quality factor and electromagnetic field distribution of an arbitrarily shaped microcavity can be computed with high accuracy. ...
... This thesis presents a full-vectorial mode matching method for whispering gallery microcavity analysis. With this technique, optical properties such as resonance wavelength, quality factor and electromagnetic field distribution of an arbitrarily shaped microcavity can be computed with high accuracy. ...
Biomedical Optical Imaging
... sample beam path, and a detector, as shown in Figure 1.2. Early OCT systems detected echoes of light based on low coherence interferometry with time domain detection techniques. A low coherence light source is directed into an interferometer and split into a signal and reference beam. Interference b ...
... sample beam path, and a detector, as shown in Figure 1.2. Early OCT systems detected echoes of light based on low coherence interferometry with time domain detection techniques. A low coherence light source is directed into an interferometer and split into a signal and reference beam. Interference b ...
Visibility study of graphene multilayer structures Guoquan Teo and
... (Al2O3), silicon (Si) and gold (Au). The results are shown in Figs. 2(b), (c) and (d), respectively, for graphene sheets with number of layers ranging from 1 to 10. As can be seen from the figures, graphene on Al2O3 and Si exhibits a negative contrast while graphene on Au shows a positive one. In ot ...
... (Al2O3), silicon (Si) and gold (Au). The results are shown in Figs. 2(b), (c) and (d), respectively, for graphene sheets with number of layers ranging from 1 to 10. As can be seen from the figures, graphene on Al2O3 and Si exhibits a negative contrast while graphene on Au shows a positive one. In ot ...
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 ...
Fundamentals of Light Microscopy and Electronic Imaging
... Throughout the writing of this book my goal has been how to teach the beginner how to use microscopes. In thinking about a cover, my initial plan was to suggest a silhouette of a microscope under the title “Practical Light Microscopy.” However, the needs of the scientific community for a more compre ...
... Throughout the writing of this book my goal has been how to teach the beginner how to use microscopes. In thinking about a cover, my initial plan was to suggest a silhouette of a microscope under the title “Practical Light Microscopy.” However, the needs of the scientific community for a more compre ...
Resolution enhancement techniques in microscopy
... explore the foundations of resolution as expounded by the astronomers and the physicists and describe the conditions for which they apply. Then we elucidate Ernst Abbe’s theory of optical formation in the microscope, and its experimental verification and dissemination to the world wide microscope com ...
... explore the foundations of resolution as expounded by the astronomers and the physicists and describe the conditions for which they apply. Then we elucidate Ernst Abbe’s theory of optical formation in the microscope, and its experimental verification and dissemination to the world wide microscope com ...
Waveguide lasers in ytterbium doped tantalum pentoxide for
... Numerical modelling of symmetrical rib waveguide in Ta2O5 was carried out finding an optimum waveguide design for a near-circular mode profile with maximum confinement of light within the core with various etch depths and rib widths. A numerical study investigating the feasibility of integrated Kerr ...
... Numerical modelling of symmetrical rib waveguide in Ta2O5 was carried out finding an optimum waveguide design for a near-circular mode profile with maximum confinement of light within the core with various etch depths and rib widths. A numerical study investigating the feasibility of integrated Kerr ...
Frontiers in Optics 2010/Laser Science XXVI
... and an exhibit hall featuring leading companies in the field. Headlining the popular Plenary Session and Awards Ceremony were Alain Aspect, speaking on quantum optics; Steven Block, who discussed single molecule biophysics; and award winners Joseph Eberly, Henry Kapteyn and Margaret Murnane. Led by ...
... and an exhibit hall featuring leading companies in the field. Headlining the popular Plenary Session and Awards Ceremony were Alain Aspect, speaking on quantum optics; Steven Block, who discussed single molecule biophysics; and award winners Joseph Eberly, Henry Kapteyn and Margaret Murnane. Led by ...
Multiple-image digital photography
... • Fourier projection-slice theorem in n – Gξ(ω), where ξ is a unit vector in n, ω is the basis for a hyperplane in n-1, and G contains integrals over lines – in 2D: a slice (of G) is a line through the origin at angle , each point on -1 of that slice is a line integral (of g) perpendicular to ...
... • Fourier projection-slice theorem in n – Gξ(ω), where ξ is a unit vector in n, ω is the basis for a hyperplane in n-1, and G contains integrals over lines – in 2D: a slice (of G) is a line through the origin at angle , each point on -1 of that slice is a line integral (of g) perpendicular to ...
laser-based fibre-optic sensor for measurement of surface properties
... the bandwidth o f a fibre It is the degradation o f the input signal as it travels through the fibre This is illustrated in figure 2 4 - the pulse becomes longer in duration and generally loses shape Dispersion can be divided into material dispersion and modal dispersion ...
... the bandwidth o f a fibre It is the degradation o f the input signal as it travels through the fibre This is illustrated in figure 2 4 - the pulse becomes longer in duration and generally loses shape Dispersion can be divided into material dispersion and modal dispersion ...