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Manuscript2 - Open Research Exeter
Manuscript2 - Open Research Exeter

The concept of modes in optics and photonics
The concept of modes in optics and photonics

Atom interferometry with fermionic and bosonic isotopes of strontium
Atom interferometry with fermionic and bosonic isotopes of strontium

... to realize the beam splitters and the mirrors for an interferometer. Therefore, we ...
Bose--Einstein Condensation: A new state of matter
Bose--Einstein Condensation: A new state of matter

... • At low temperatures occupancy factor is no longer small. • This is the regime where quantum effects become important. • Spin of the atoms govern the statistics of the system. ...
Electrodynamical Light Trapping Using Whispering-Gallery Resonances in Hyperbolic Cavities Chihhui Wu, Alessandro Salandrino,
Electrodynamical Light Trapping Using Whispering-Gallery Resonances in Hyperbolic Cavities Chihhui Wu, Alessandro Salandrino,

... nature of the permittivity tensors, as will be shown in the following. Differently from the LSPP resonances that also confine light within subwavelength regions, we show that light can be electrodynamically trapped by the WGMs of the hyperbolic spherical cavities. Such electrodynamical confinement o ...
Mid Infrared digital holography and Terahertz imaging
Mid Infrared digital holography and Terahertz imaging

... namely the so-called subjective speckles, so that the larger the speckles the more disturbing they are. It can be shown that a larger subjective speckle size is obtained by reducing the hologram aperture [47]. Real objects never act as ideal reflectors and thus, in practice, one can always think of ...
Structural and optical properties of visible active
Structural and optical properties of visible active

... quite complex and make definitive assignments of WO3 phases from XRD data alone rather difficult, despite the apparent simple stoichiometry of WO3. In Fig. 3, the most interesting part of the spectra, acquired between 2h 5 10° and 90°, is extracted. The first diffraction peaks in Fig. 3 correspond to r ...
optical resonances in multilayer structures
optical resonances in multilayer structures

Aperture interference and the volumetric resolution of light field
Aperture interference and the volumetric resolution of light field

... The defocus OTF enables fast assessment of the merits of various aperture mask schemes. This is most easily illustrated with the toy model in Fig. 2 of a 1D aperture and a specimen spanning just one lateral and one axial dimension. As a first analysis, we tested our hypothesis that the interference ...
Design of a spherical focal surface using close
Design of a spherical focal surface using close

... such that the 0th order constant is 1. Due to symmetry, distortions in the y and z directions can be expressed by identical functions where the coordinate axes are permuted. After application of Eq. (4), it is critical to impose Eq. (2) to the distorted coordinates to easily convert them to spherica ...
Coherence Theory and Optical Coherence Tomography with Phase
Coherence Theory and Optical Coherence Tomography with Phase

...  On-axis phase-sensitive correlation preserved, with respect to phaseinsensitive, deep in far-field and near-field (reported in Proc. SPIE) ...
Chapter 4 Optical Resonator
Chapter 4 Optical Resonator

Femtosecond-laser-produced low-density plasmas in transparent
Femtosecond-laser-produced low-density plasmas in transparent

... as the energy required for a transition from the molecular 1b1 orbital into an excitation band (6.5 eV).15 We follow this approach. For simplicity, we use the terms "free electrons" and "ionization" as abbreviations for "quasi-free electrons" and "excitation into the conduction band". The photon ene ...
High-precision, high-accuracy ultralong-range swept
High-precision, high-accuracy ultralong-range swept

Efficient Computation of Photonic Crystal Waveguide Modes with
Efficient Computation of Photonic Crystal Waveguide Modes with

Fabrication of elliptically figured mirror for focusing hard x rays to
Fabrication of elliptically figured mirror for focusing hard x rays to

“Superluminal” Pulse Propagation Dynamics by George M. Gehring
“Superluminal” Pulse Propagation Dynamics by George M. Gehring

Prism Design
Prism Design

... representing the reflecting surface, the real image and the solid-line rays would coincide exactly with the virtual image and the dashed-line rays. A diagram showing both the original prism (ABC) and the folded counterpart (ABC′) is called a “tunnel diagram” (see Fig. 6.2). The rays a-a′ and b-b′ re ...
IV. Single photon detection
IV. Single photon detection

Introduction - Strathprints
Introduction - Strathprints

... substrate at z = 0. The relationship between the laboratory and crystallographic axes will be defined later. Each slab is defined with its own complex refractive index, ni and ni at the fundamental  and harmonic   2 frequencies respectively. The fundamental wave is incident at the medium 1/med ...
Evolutionary optimization of layouts for high density free space
Evolutionary optimization of layouts for high density free space

... the interconnections of the switches. The opto-electronical media conversion is done by so called trancievers (MC-TX and MC-RX) and causes a power dissipation of about 35 mW per Gb/s and link. The advantages of optical links are a high bandwidth due to multiple optical channels in the same space (fo ...
Angle-Dependent Ultrasonic Transmission through Plates with
Angle-Dependent Ultrasonic Transmission through Plates with

... water-aluminum interface and originate in unphysical values of the Fourier-expanded Lamé coefficients because of the large mismatch in both media. Spurious modes produce noise that can be partially removed by eliminating them from the expansion of the displacement u, although part of their effects ...
Radiative Transfer Theory - UCL Department of Geography
Radiative Transfer Theory - UCL Department of Geography

Applied Fiber Optic Measurement for Geohydraulic Engineering
Applied Fiber Optic Measurement for Geohydraulic Engineering

Design and investigation of properties of nanocrystalline diamond
Design and investigation of properties of nanocrystalline diamond

... well as IR spectra measurement. This is of particular interest for sensoric applications. Moreover, in both papers [7, 8] the NCD films were deposited on optically non-transparent substrates, which are rather mirrors and from the text in [7] it is not clear if the conditions for waveguiding properti ...
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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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