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We present a high sensitivity single-monochromator Raman spectrometer which allows operation with a tunable laser source. The instrument is based on the modification of a commercial Raman spectrometer; such instruments operate with…

Materials Science · Physics 2011-07-08 Gábor Fábián , Christian Kramberger , Alexander Friedrich , Ferenc Simon , Thomas Pichler

We introduce a method to experimentally measure the monochromatic transmission matrix of a complex medium in optics. This method is based on a spatial phase modulator together with a full-field interferometric measurement on a camera. We…

Optics · Physics 2010-03-10 S. M. Popoff , G. Lerosey , R. Carminati , M. Fink , A. C. Boccara , S. Gigan

We study the interaction of a weak probe field, having two orthogonally polarized components, with an optically dense medium of four-level atoms in a tripod configuration. In the presence of a coherent driving laser, electromagnetically…

Quantum Physics · Physics 2007-05-23 David Petrosyan , Yuri P. Malakyan

One of the long sought-after goals in manipulation of light through light-matter interactions is the realization of magnetic-field-tuneable colouration, so-called magneto-chromatic effect, which holds great promise for optical, biochemical…

Applied Physics · Physics 2020-08-26 Baofu Ding , Wenjun Kuang , Yikun Pan , I. V. Grigorieva , A. K. Geim , Bilu Liu , Hui-Ming Cheng

Resonant radiofrequency cavities enable exquisite time-energy control of electron beams when synchronized with laser driven photoemission. We present a lossless monochromator design that exploits this fine control in the…

Accelerator Physics · Physics 2021-01-07 Cameron J. R. Duncan , David A. Muller , Jared M. Maxson

Optical lattice loaded with cold atoms can exhibit a tunable photonic band gap for a weak probe field under the conditions of electromagnetically induced transparency. This system possesses a number of advantageous properties, including…

Quantum Physics · Physics 2011-11-10 David Petrosyan

A magnetometric technique is demonstrated that may be suitable for precision measurements of fields ranging from the sub-microgauss level to above the Earth field. It is based on resonant nonlinear magneto-optical rotation caused by atoms…

Atomic Physics · Physics 2009-11-07 D. Budker , D. F. Kimball , V. V. Yashchuk , M. Zolotorev

Optical fields with rich and well-developed spatio-temporal structure, including ultra-short structured light pulses, are essentially non-monochromatic and contain a continuous spectrum of monochromatic constituents. However, some…

Optics · Physics 2024-04-12 Aleksandr Bekshaev

A commercial single laser line Raman spectrometer is modified to accommodate multiline and tunable dye lasers, thus combining the high sensitivity of such single monochromator systems with broadband operation. Such instruments rely on…

Materials Science · Physics 2015-05-28 Gábor Fábián , Christian Kramberger , Alexander Friedrich , Ferenc Simon , Thomas Pichler

We have developed a mini-coil pulsed magnet system with direct optical access, ideally suited for nonlinear and ultrafast spectroscopy studies of materials in high magnetic fields up to 30 T. The apparatus consists of a small coil in a…

Mesoscale and Nanoscale Physics · Physics 2014-02-11 G. Timothy Noe , Hiroyuki Nojiri , Joseph Lee , Gary L. Woods , Jean Leotin , Junichiro Kono

By design access to laser wavelength, especially with integrated photonics, is critical to advance quantum sensors like optical clocks and quantum-information systems, and open opportunities in optical communication. Semiconductor-laser…

We present a novel design for an ultra-compact, passive light source capable of generating ultraviolet and X-ray radiation, based on the interaction of free electrons with the magnetic near-field of a ferromagnet. Our design is motivated by…

We propose a method to monochromatize multiple orders of high harmonics by using a proper designed multilayer mirror. Multilayer mirrors designed by our concept realize the perfect extraction of a single-order harmonic from multiple-order…

This article reviews recent progress in two-dimensional (2D) hybrid structures that integrate transition metal dichalcogenides (TMDs) with photochromic molecules for photodetector applications. Atomically thin TMD semiconductors offer…

Mesoscale and Nanoscale Physics · Physics 2025-06-16 Sewon Park , Jaehoon Ji , Joakim Andreasson , Jeong Ho You , Jong Hyun Choi

A monochromatic plane wave recorded by an observer moving with respect to the source undergoes a Doppler shift and spatial aberration. We investigate here the transformation undergone by a generic, paraxial, spectrally coherent…

Optics · Physics 2023-05-10 Murat Yessenov , Ayman F. Abouraddy

Brilliant X-ray sources are of great interest for many research fields from biology via medicine to material research. The quest for a cost-effective, brilliant source with unprecedented temporal resolution has led to the recent realization…

Plasma Physics · Physics 2014-06-26 K. Khrennikov , J. Wenz , A. Buck , J. Xu , M. Heigoldt , L. Veisz , S. Karsch

New phenomenon of temporal oscillations of nonlinear Faraday rotation in a driven four-level system is predicted. We show that in this system with one upper level, under the conditions of electromagnetically induced transparency created by…

Quantum Physics · Physics 2007-05-23 Malakyan Yu. P

We experimentally measure the monochromatic transmission matrix (TM) of an optical multiple scattering medium using a spatial light modulator together with a phase-shifting interferometry measurement method. The TM contains all information…

Optics · Physics 2015-05-28 S. M. Popoff , G. Lerosey , M. Fink , A. C. Boccara , S. Gigan

We describe a tunable low-energy photon source consisting of a laser-driven xenon plasma lamp coupled to a Czerny-Turner monochromator. The combined tunability, brightness, and narrow spectral bandwidth make this light source useful in…

In this work we present a novel, compact, power efficient magnetic field source design for magnetic field imaging microscopy. The device is based on a pair of diametrically magnetized permanent magnet cylinders with electro-mechanical…

Applied Physics · Physics 2023-05-23 Andris Berzins , Hugo Grube , Reinis Lazda , Marc A. Hannig , Janis Smits , Ilja Fescenko
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