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Tunable beam displacer [PDF]

open access: yesFrontiers in Optics 2014, 2014
We report the implementation of a tunable beam displacer, composed of a polarizing beam splitter (PBS) and two mirrors, that divides an initially polarized beam into two parallel beams whose separation can be continuously tuned.
Alejandra Valencia   +3 more
core   +9 more sources

Tunable axion plasma haloscopes [PDF]

open access: yesPhysical Review Letters, 2019
We propose a new strategy to search for dark matter axions using tunable cryogenic plasmas. Unlike current experiments, which repair the mismatch between axion and photon masses by breaking translational invariance (cavity and dielectric haloscopes), a ...
Lawson, Matthew   +4 more
core   +4 more sources

High-Precision Surface Scattering Measurement System and Uncertainty Analysis Applied in Laser Protective Materials Diagnostics

open access: yesApplied Sciences, 2021
The current measurement system of surface scattering rate applied in laser protective materials has the defects of low accuracy, discontinuous diagnosis region and narrow infrared measuring waveband.
Zhen Yang   +5 more
doaj   +1 more source

A Study of Correction to the Point Cloud Distortion Based on MEMS LiDAR System

open access: yesApplied Sciences, 2021
Active imaging technology can perceive the surrounding environment and obtain three-dimensional information of the target. Among them, light detection and ranging (LiDAR) imaging systems are one of the hottest topics in the field of photoelectric active ...
Dongbing Guo   +4 more
doaj   +1 more source

Distance–Intensity Image Strategy for Pulsed LiDAR Based on the Double-Scale Intensity-Weighted Centroid Algorithm

open access: yesRemote Sensing, 2021
We report on a self-adaptive waveform centroid algorithm that combines the selection of double-scale data and the intensity-weighted (DSIW) method for accurate LiDAR distance–intensity imaging. A time window is set to adaptively select the effective data.
Shiyu Yan   +6 more
doaj   +1 more source

Tunable Nanoplasmonic Photodetectors

open access: yesNano Letters, 2022
Visible and infrared photons can be detected with a broadband response via the internal photoeffect. By using plasmonic nanostructures, i.e. nanoantennas, wavelength selectivity can be introduced to such detectors through geometry-dependent resonances.
Patrick Pertsch   +5 more
openaire   +3 more sources

Tunable clathrates [PDF]

open access: yesActa Crystallographica Section A Foundations of Crystallography, 2001
Investigation of the selectivity of a diol organic host for mixtures of DMF and DMSO, showed the formation of five inclusion compounds in which the stoichiometry varies in discrete steps and is determined by the composition of the liquid guest mixture; the structures of these compounds are described.
M R, Caira, T, le Roex, L R, Nassimbeni
openaire   +2 more sources

Spin-Polarized Tunable Photocurrents [PDF]

open access: yesNano Letters, 2021
Harnessing the unique features of topological materials for the development of a new generation of topological based devices is a challenge of paramount importance. Using Floquet scattering theory combined with atomistic models we study the interplay between laser illumination, spin and topology in a two-dimensional material with spin-orbit coupling ...
Matías Berdakin   +2 more
openaire   +4 more sources

Flexible Phase Synchronization for Wireless Optical Coherent Communication System With Adaptive Fractionally-Spaced Blind Equalization Combined With Adaptive Kalman Filter

open access: yesIEEE Photonics Journal, 2023
Wireless optical coherent communication can be used as the backbone supporting technology of air-space-ground-sea-integrated network. In wireless optical coherent communication, the information can be demodulated from the carrier correctly only when the ...
ShuPeng Zhang, LiYing Tan, Jing Ma
doaj   +1 more source

Distributed Birefringence Measurement of a Polarization-Maintaining Fiber With an Extended Range Based on an Enhanced Brillouin Dynamic Grating

open access: yesIEEE Photonics Journal, 2020
A distributed birefringence measurement of a polarization-maintaining fiber (PMF) can be realized by using a Brillouin dynamic grating (BDG). However, the pump depletion decreases the intensity of the BDG along the PMF and limits the measurement range to
Taofei Jiang   +5 more
doaj   +1 more source

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