Results 1 to 10 of about 119,409 (226)

Timecourse of mirror and counter-mirror effects measured with transcranial magnetic stimulation [PDF]

open access: hybridSocial Cognitive and Affective Neuroscience, 2013
The human mirror system has been the subject of much research over the past two decades, but little is known about the timecourse of mirror responses. In addition, it is unclear whether mirror and counter-mirror effects follow the same timecourse. We used single-pulse transcranial magnetic stimulation to investigate the timecourse of mirror and counter-
Andrea Cavallo   +4 more
openalex   +8 more sources

A magnetic liquid deformable mirror for high stroke and low order axially symmetrical aberrations [PDF]

open access: gold, 2006
We present a new class of magnetically shaped deformable liquid mirrors made of a magnetic liquid (ferrofluid). Deformable liquid mirrors offer advantages with respect to deformable solid mirrors: large deformations, low costs and the possibility of very
Anna Ritcey   +4 more
core   +3 more sources

Circular-polarization-selective perfect reflection from chiral superconductors [PDF]

open access: yesNature Communications
Integrating mirrors with magnetic components is crucial for constructing chiral optical cavities, which provide tunable platforms for time-reversal-asymmetric light-matter interactions.
Junyeong Ahn, Ashvin Vishwanath
doaj   +2 more sources

New Q and V-band ECE radiometer for low magnetic field operation on LHD [PDF]

open access: yesEPJ Web of Conferences, 2023
To meet the demand for information on electron temperature fluctuations in low magnetic field experiments in the Large Helical Device (LHD), a new ECE radiometer covering the Q and V bands has been installed.
Tokuzawa Tokihiko   +4 more
doaj   +1 more source

A chiral microchip laser using anisotropic grating mirrors for single mode emission

open access: yesNanophotonics, 2023
A pair of nanostructured mirrors made of a diffraction grating inscribed in the top layer of a Bragg mirror are designed such that a phase shift near π and different reflected amplitudes exist between transverse electric (TE) and magnetic (TM) reflected ...
Li Fangfang   +9 more
doaj   +1 more source

Spectra of a Bragg Microresonator Filled with a Graphene-Containing Medium

open access: yesPhotonics, 2023
Transmission spectra of a symmetric microresonator structure, with dielectric Bragg mirrors, are obtained. The working cavity of the structure is partially filled by a layer of a quarter-wave thickness of finely layered “graphene–semiconductor” medium ...
Irina V. Fedorova   +2 more
doaj   +1 more source

Cosmic ray propagation in turbulent magnetic fields

open access: yesFrontiers in Astronomy and Space Sciences, 2023
Propagation of cosmic rays (CRs) in turbulent and magnetized astrophysical media is a long-standing problem that requires both understanding of the properties of turbulent magnetic fields and their interaction with energetic particles.
Alex Lazarian   +3 more
doaj   +1 more source

Confinement of non-neutral proton plasma within a bent magnetic mirror field: 3D PIC simulation

open access: yesAIP Advances, 2023
We conducted a study on the confinement properties of non-neutral proton plasma in an asymmetric magnetic mirror using the three-dimensional (3D) particle-in-cell simulation method.
Xiao-Jing Zhang   +4 more
doaj   +1 more source

Large magnetic liquid mirrors [PDF]

open access: yesAstronomy & Astrophysics, 2006
We present a new class of large liquid mirrors that use a ferrofluid covered by a reflecting layer of nanoparticles. The surface of the mirror is shaped by several concentric loops of current carrying coils. We first validate our theoretical models by comparing the theoretical predictions to interferometric measurements of a small prototype, finding ...
E. F. Borra, D. Brousseau, A. Vincent
openaire   +1 more source

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