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Modern Optical Engineering
Modern Optical Engineering

Laser Medicine and Medical Imaging – J. G. Fujimoto
Laser Medicine and Medical Imaging – J. G. Fujimoto

SR Beamlines in the VUV
SR Beamlines in the VUV

Introduction to DWDM Technology
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 ...
Switching terahertz waves with gate-controlled active graphene metamaterials LETTERS *
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 ...
Mode-Matching Analysis of Whispering-Gallery
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. ...
Theoretical modeling and evaluation of the axial resolution of the
Theoretical modeling and evaluation of the axial resolution of the

Biomedical Optical Imaging
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 ...
DETERMINING SPATIAL MODES OF SEMICONDUCTOR LASERS
DETERMINING SPATIAL MODES OF SEMICONDUCTOR LASERS

Abstracts for OPTO 2014
Abstracts for OPTO 2014

Nd:YAG Based Laser Sources for Targeting
Nd:YAG Based Laser Sources for Targeting

Visibility study of graphene multilayer structures Guoquan Teo and
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 ...
The effect of skin phototype on laser propagation through skin
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 ...
Fundamentals of Light Microscopy and Electronic Imaging
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 ...
Resolution enhancement techniques in microscopy
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 ...
Principles of Fiber Optic Communication
Principles of Fiber Optic Communication

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Investigating Naturally Occurring 3

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A minimally invasive in-fibre Bragg grating sensor

DESIGN AND FABRICATION OF GUIDED
DESIGN AND FABRICATION OF GUIDED

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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 ...
Frontiers in Optics 2010/Laser Science XXVI
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 ...
Introduction to Diffraction Grating
Introduction to Diffraction Grating

Multiple-image digital photography
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  ...
Integration of Magneto Optical Traps in Atom Chips
Integration of Magneto Optical Traps in Atom Chips

laser-based fibre-optic sensor for measurement of surface properties
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 ...
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Nonlinear optics

Nonlinear optics (NLO) is the branch of optics that describes the behavior of light in nonlinear media, that is, media in which the dielectric polarization P responds nonlinearly to the electric field E of the light. This nonlinearity is typically only observed at very high light intensities (values of the electric field comparable to interatomic electric fields, typically 108 V/m) such as those provided by lasers. Above the Schwinger limit, the vacuum itself is expected to become nonlinear. In nonlinear optics, the superposition principle no longer holds.Nonlinear optics remained unexplored until the discovery of Second harmonic generation shortly after demonstration of the first laser. (Peter Franken et al. at University of Michigan in 1961)
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