[HTML][HTML] Diattenuation Imaging reveals different brain tissue properties

M Menzel, M Axer, K Amunts, H De Raedt… - Scientific reports, 2019 - nature.com
When transmitting polarised light through histological brain sections, different types of
diattenuation (polarisation-dependent attenuation of light) can be observed: In some brain …

Terahertz Mueller matrix polarimetry and polar decomposition

SX Huang, YS Zeng, GB Wu, KF Chan… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Mueller matrix imaging, as one of the polarimetric imaging modalities, is an effective tool to
achieve imaging enhancement as well as explore fine details of the imaged sample at …

Complete polarization control for a nanofiber waveguide using directional coupling

F Lei, G Tkachenko, JM Ward, S Nic Chormaic - Physical Review Applied, 2019 - APS
Optical nanofiber waveguides are widely used for near-field delivery and measurement of
light. Despite their versatility and efficiency, nanofibers have a critical drawback—their …

Polarisation control for optical nanofibres by imaging through a single lens

G Tkachenko, F Lei, SN Chormaic - Journal of Optics, 2019 - iopscience.iop.org
We present a simple method for controlling the polarisation state of light at the waist of a
single-mode optical nanofibre. The method consists of complete polarisation compensation …

Optimal birefringence distributions for imaging polarimetry

A Vella, MA Alonso - Optics Express, 2019 - opg.optica.org
Star test polarimetry is an imaging polarimetry technique in which an element with spatially-
varying birefringence is placed in the pupil plane to encode polarization information into the …

Phase shift induced degradation of polarization caused by bends in inhibited-coupling guiding hollow-core fibers

C Röhrer, JH Osório, F Beirow, M Maurel… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
We report on a comprehensive analysis of the polarization-maintaining (PM) behavior of two
different kinds of inhibited-coupling (IC) guiding hollow-core fibers and the influence of fiber …

Learning to classify materials using Mueller imaging polarimetry

Y Quéau, F Leporcq, A Lechervy… - … Conference on Quality …, 2019 - spiedigitallibrary.org
This study investigates the combination of Mueller imaging polarimetry with machine
learning for the automated optical classification of raw materials. It shows that standard …

Generating high-performance polarization measurements with low-performance polarizers: demonstration with a microgrid polarization camera

N Hagen, S Shuhei, Y Otani - Optical Engineering, 2019 - spiedigitallibrary.org
Microgrid polarization cameras have historically experienced lower performance than is
typical for monolithic polarization systems. Specifically, their polarizer elements have had a …

Compact lidar polarimetry via time-varying transmit polarization and an elliptical polarization analyzer

RK Martin, C Keyser - Laser Radar Technology and …, 2019 - spiedigitallibrary.org
In a recently developed compact LiDAR polarimeter, the transmit beam cycles through
multiple polarization states within each laser pulse and the receiver splits the received …

Metamaterial devices for enhancement of thermophotovoltaics and mid-IR detectors

NAP Latham - 2019 - search.proquest.com
The performance of modern optoelectronic devices is improved if their optical properties can
be finely engineered for the application at hand. Unfortunately, constraints such as lattice …