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Imposing start from the beginning that the incidence and the reflection of a ray t on an arbitrarily orientated mirror take place at the same point in space and at the same zero time in all involved reference frames in relative motion, we…

General Physics · Physics 2008-12-04 Bernhard Rothenstein , Ioan Damian

We introduce a novel type of neutron interference mirrors based on a chemically homogeneous BxC (x>4) matrix with internal high precision 10B/11B isotope modulation. Simulations predict that these mirrors exhibit very high neutron…

Materials Science · Physics 2024-04-09 J. Birch , S. Stendah , S. Dorri , A. Zubayer , N. Ghafoor , F. Eriksson

We describe a setup based on Michelson interferometry for coherent measurements of the backscattered light from a low roughness optical surface under test. Special data processing was developed for the extraction of the useful signal from…

Instrumentation and Methods for Astrophysics · Physics 2018-09-07 Vitalii Khodnevych , Sibilla Di Pace , Jean-Yves Vinet , Nicoleta Dinu-Jaeger , Michel Lintz

We report on a polarization maintaining large mode area photonic crystal fiber. Unlike, previous work on polarization maintaining photonic crystal fibers, birefringence is introduced using stress applying parts. This has allowed us to…

We show that the Casimir force between mirrors with arbitrary frequency dependent reflectivities obeys bounds due to causality and passivity properties. The force is always smaller than the Casimir force between two perfectly reflecting…

Quantum Physics · Physics 2009-10-31 A. Lambrecht , M. -T. Jaekel , S. Reynaud

This document takes existing derivations of scattering loss from rough surfaces, and makes them more accessible as a tool to derive the total scattering loss from a rough mirror given its true surface profile. It does not contain any new…

Optics · Physics 2020-05-12 Robert A. Nyman , Benjamin T. Walker

I derive in this paper theoretical expressions for biases on fringe contrast and fringe visibility phase for optical interferometers whose polarizing properties can be described by beam rotation, retardance, and diattenuation. The nature of…

Instrumentation and Methods for Astrophysics · Physics 2025-04-07 Guy Perrin

We present an in-situ method to measure the birefringence of a single vacuum window by means of microwave spectroscopy on an ensemble of cold atoms. Stress-induced birefringence can cause an ellipticity in the polarization of an initially…

We calculate the thermal noise in half-infinite mirrors containing a layer of arbitrary thickness and depth made of excessively lossy material but with the same elastic material properties as the substrate. For the special case of a thin…

General Relativity and Quantum Cosmology · Physics 2014-11-17 N. Nakagawa , A. M. Gretarsson , E. K. Gustafson , M. M. Fejer

Intelligent reflecting surface (IRS) that enables the control of the wireless propagation environment has been looked upon as a promising technology for boosting the spectrum and energy efficiency in future wireless communication systems.…

Signal Processing · Electrical Eng. & Systems 2020-02-26 Samith Abeywickrama , Rui Zhang , Chau Yuen

We study the Dynamical Casimir Effect resulting from the oscillatory motion of either one or two flat semitransparent mirrors, coupled to a quantum real and massless scalar field. Our approach is based on a perturbative evaluation, in the…

High Energy Physics - Theory · Physics 2017-09-13 C. D. Fosco , A. Giraldo , F. D. Mazzitelli

In front of a mirror, the radiation of weakly driven large disordered clouds presents an interference fringe in the backward direction, on top of an incoherent background. Although strongly driven atoms usually present little coherent…

Atomic Physics · Physics 2017-12-06 N. Piovella , R. Celistrino Teixeira , R. Kaiser , Ph. W. Courteille , R. Bachelard

Given that the phase amplification method based on harmonic generation exhibits significant phase super-resolution capability in interferometric precision measurement, extending this technology to birefringence interferometers to achieve…

Optics · Physics 2025-03-13 Wuzhen Li , Zhiyuan Zhou , Guangcan Guo , Baosen Shi

We observe and investigate, both experimentally and theoretically, electromagnetically-induced transparency experienced by evanescent fields arising due to total internal reflection from an interface of glass and hot rubidium vapor. This…

Atomic Physics · Physics 2015-06-11 R. Thomas , C. Kupchak , G. S. Agarwal , A. I. Lvovsky

We study photon creation in a cavity with two perfectly conducting moving mirrors. We derive the dynamic equations of the modes and study different situations concerning various movements of the walls, such as translational or breathing…

Quantum Physics · Physics 2017-04-05 Paula I. Villar , Alejandro Soba , Fernando C. Lombardo

Photonic bandgap in holographic grating manifests itself as phase-sensitive birefringence. Phenomenological theory of the effect is presented.

Optics · Physics 2012-06-08 Gagik T Avanesyan

Total internal reflection occurs for large angles of incidence, when light is incident from a high-refractive-index medium onto a low-index medium. We consider the situation where the low-index medium is active. By invoking causality in its…

Optics · Physics 2011-10-18 Jon Olav Grepstad , Johannes Skaar

The diffraction of a scalar plane wave from a doubly-periodic surface on which either the Dirichlet or Neumann boundary condition is imposed is studied by means of a rigorous numerical solution of the Rayleigh equation for the amplitudes of…

Probing vacuum structures deformed by high intense fields is of great interest in general. In the context of quantum electrodynamics (QED), the vacuum exposed by a linearly polarized high-intensity laser field is expected to show…

High Energy Physics - Phenomenology · Physics 2017-05-09 Yoshihide Nakamiya , Kensuke Homma

In gravitational microlensing, interference visibility is established when the spectral resolution of the observation is less than the reciprocal of the time delay difference. Using high resolutionspectroscopy fringes will be visible at…

Astrophysics · Physics 2007-05-23 J. B. Peterson