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Poincare Modes of Light
Poincare Modes of Light

... Poincaré beams are a general form of vector beams. Their transverse profile carries a state of polarization that varies from point to point. These polarization-state patterns constitute partial, full or multiple mappings of the Poincaré sphere onto the transverse plane of the mode. A general state ...
Fig. 10-1: Transmission windows
Fig. 10-1: Transmission windows

Dependences of the group velocity for
Dependences of the group velocity for

Total Reflection and Negative Refraction of
Total Reflection and Negative Refraction of

... that the propagation direction of DESWs can also be controlled through such reflection and refraction phenomena. However, these wave properties at magnetic interfaces have been studied only for spin waves mediated by either exchange interaction or magnetic dipolar interaction, not for spin waves me ...
2. Link Margin Calculations
2. Link Margin Calculations

... [2] J. B. Carruthers, J. M. Kahn, “Modeling of Nondirected Wireless Infrared Channels,” IEEE Transactions on Communications, vol. 45, issue 10, October 1997, pp. 1260 – 1268. ...
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Get

Theory and simulation of photogeneration and transport in Si
Theory and simulation of photogeneration and transport in Si

... been determined via self-consistent solution of Eqs. (22)(25) and (26)-(27), they can be directly used to express the physical quantities that characterize the system, such as charge carrier and current densities as well as the rates for the different scattering processes. 1 In steady-state, the Gre ...
Frequency domain optical parametric amplification - few
Frequency domain optical parametric amplification - few

Soleil-Babinet Compensator
Soleil-Babinet Compensator

Instruction Manual  PH511: Physics Laboratory-III DEPARTMENT OF PHYSICS
Instruction Manual PH511: Physics Laboratory-III DEPARTMENT OF PHYSICS

Quantum Optics: An Introduction
Quantum Optics: An Introduction

... photons) was presented in Max Planck’s 1900 paper on the ultraviolet catastrophe in black body radiation. In 1905, Einstein expanded on these principles in his explanation of the photoelectric effect to define the photon theory of light. Quantum physics developed through the first half of the twenti ...
Laser - bYTEBoss
Laser - bYTEBoss

Helical tractor beam: analytical solution of Rayleigh particle dynamics Luis Carretero, Pablo Acebal,
Helical tractor beam: analytical solution of Rayleigh particle dynamics Luis Carretero, Pablo Acebal,

... from many theoretical and experimental studies, non-diffracting beams are promising candidates for realizing tractor beams due to their unique properties of maintaining both intensity and spatial extent in the direction of propagation [11]. Thus, a great variety of optical fields, ranging from the f ...
Observation of subluminal twisted light in vacuum: comment
Observation of subluminal twisted light in vacuum: comment

St Olave`s Physics Department Year 9 End of Year Examination
St Olave`s Physics Department Year 9 End of Year Examination

ee230-finaltalk
ee230-finaltalk

... • Laser that produces a series of ultrashort pulses (infinite pulse train) • Two techniques: – Active: uses optical modulator – Passive: may use a saturable absorber ...
Magneto-Optic Kerr Effect
Magneto-Optic Kerr Effect

Matter rogue waves
Matter rogue waves

... The TF distribution indeed appears to be a good approximation. This is demonstrated by the direct numerical simulations shown in Fig. 1 共c.f. the panels a and b兲. The discrepancy between the exact solution ␺0 and the one generated by ␺TF appears mainly due to the three-body collisions that are not a ...
Localized modes in two-dimensional Schroedinger lattices with a
Localized modes in two-dimensional Schroedinger lattices with a

... [4] onto it. In such models, the results can be obtained in an analytical form. Also recently considered was the linear chain with a pair of embedded sites with the quadratic (second-harmonic-generating), rather than cubic, nonlinearity [17], where analytical results can be obtained too. In addition ...
Analytical Expression for the Standing Wave Intensity in Photoresist
Analytical Expression for the Standing Wave Intensity in Photoresist

... If the film in question is not homogeneous, the equations above are in general not valid. Let us, however, examine one special case in which the inhomogeneity takes the form of variations in the imaginary part of the index of refraction of the film, leaving the real part constant. In this case, abso ...
Sodium: A Charge-Transfer Insulator at High Pressures
Sodium: A Charge-Transfer Insulator at High Pressures



WRL0087.tmp
WRL0087.tmp

Wave on a String
Wave on a String

cut off frequency for different modes
cut off frequency for different modes

... As seen earlier,  has to be real for a propagating mode. The frequency range over which  remains real therefore is important information. It can be shown that for  to be real the frequency of the wave has to be greater than certain value, called the cut-off frequency. 1. Cutoff frequency is defin ...
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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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