Results 61 to 70 of about 798 (176)

Interplay of Circularly Polarized Light with Molecular and Structural Chirality: Chiral Lanthanide Complexes and Cellulose Nanocrystals

Advanced Optical Materials, Volume 12, Issue 34, December 3, 2024.
The interplay between the highly polarized luminesce of Eu chiral complexes, and the polarization selective reflection of the chiral nematic structures provided by cellulose nanocrystal (CNC) films is shown in this contribution. Abstract The interaction of circularly polarized (CP) light with chiral matter at different scales opens several ...
Matteo Cei, Alessandra Operamolla, Francesco Zinna   +2 more
wiley   +1 more source

Finite-Difference Time-Domain Simulations Assisting to Reconstruct the Brain's Nerve Fiber Architecture by 3D Polarized Light Imaging

, 2018
The neuroimaging technique $\textit{Three-dimensional Polarized Light Imaging (3D-PLI)}$ reconstructs the brain’s nerve fiber architecture by transmitting polarized light through histological brain sections and measuring their birefringence. Measurements
Menzel, Miriam
core   +1 more source

Nonlocality Enhanced Precision in Quantum Polarimetry via Entangled Photons

Advanced Quantum Technologies, Volume 7, Issue 11, November 2024.
A quantum polarimetry method using entangled photons to improve measurement precision is introduced. By calculating precision bounds and estimating the rotation angle of optical elements, both theoretically and experimentally, it is shown that the capability of entanglement to enhance accuracy is diminished with noise.
Ali Pedram, Vira R. Besaga, Frank Setzpfandt, Özgür E. Müstecaplıoğlu   +3 more
wiley   +1 more source

Reversible Single‐Pulse Laser‐Induced Phase Change of Sb2S3 Thin Films: Multi‐Physics Modeling and Experimental Demonstrations

Advanced Optical Materials, Volume 12, Issue 28, October 4, 2024.
The reversible laser‐induced phase transition of Sb2S3 is investigated, focusing specifically on the mechanisms that drive the optical amorphization, with multi‐physics considerations including optical and thermal properties of the PCM and its environment.
Capucine Laprais, Clément Zrounba, Julien Bouvier, Nicholas Blanchard, Matthieu Bugnet, Alban Gassenq, Yael Gutiérrez, Saul Vazquez‐Miranda, Shirly Espinoza, Peter Thiesen, Romain Bourrellier, Aziz Benamrouche, Nicolas Baboux, Guillaume Saint‐Girons, Lotfi Berguiga, Sébastien Cueff   +15 more
wiley   +1 more source

Polarization-resolved Second Harmonic microscopy in anisotropic thick tissues

, 2010
International audienceWe thoroughly analyze the linear propagation effects that affect polarization-resolved Second Harmonic Generation imaging of thick anisotropic tissues such as collagenous tissues.
Gusachenko, Ivan, Marie-Claire Schanne-Klein, Schanne-Klein, Marie-Claire, Gaël Latour, Ivan Gusachenko, Latour, Gaël   +5 more
core   +1 more source

Polarimetry of light scattered by surface roughness and textured films and periodic structures in nanotechnologies: a new challenge in instrumentation and modeling

EPJ Web of Conferences, 2010
Exhaustive studies in the literature detail the Mueller matrices properties through decomposition, optical entropy and depolarization formalism. It has been applied for many years in rather different fields. In radar polarimetry, mathematical basis of
Ferrieu. F.
doaj   +1 more source

Printed Liquid Crystal Optical Vortex Beam Generators

Advanced Optical Materials, Volume 12, Issue 20, July 16, 2024.
This paper demonstrates a switchable optical vortex beam generator using printed liquid crystal (LC) droplets. Results are presented that show the generation of both vortex and vector beams by altering the polarization of the input light. Experiments are supported by simulations that reveal the spatial profile of the director in the LC droplets and the
Mengmeng Li, Steve J. Elston, Chao He, Xuke Qiu, Alfonso A. Castrejón‐Pita, Stephen M. Morris   +5 more
wiley   +1 more source

Theoretical model of the polarization properties of the retinal nerve fiber layer in reflection

, 2003
In several optical technologies for glaucoma diagnosis, polarized light is used to assess the retinal nerve fiber layer (RNFL) of the eye. For better understanding of the polarization properties of the RNFL, it was modeled as a thick birefringent slab ...
Huang, Xiang-Run, Knighton, Robert W
core   +1 more source

Wide‐field Mueller matrix polarimetry for spectral characterization of basic biological tissues: Muscle, fat, connective tissue, and skin

Journal of Biophotonics, Volume 17, Issue 1, January 2024.
Through Mueller matrix imaging, this study investigates skin, muscle, connective tissue, and fat's polarimetric properties. It compares their characteristics and how they change with wavelength, including during meat aging. In‐vivo and ex‐vivo experiments reveal wavelength‐driven tissue property variations, notably significant in depolarization effects.
Iago Pardo, Subiao Bian, Jordi Gomis‐Brescó, Esther Pascual, Adolf Canillas, Salvador Bosch, Oriol Arteaga   +6 more
wiley   +1 more source

Mueller–Stokes polarimetric characterization of transmissive liquid crystal spatial light modulator

, 2011
In the twisted nematic liquid crystal spatial light modulators (TN-LCSLM), distortion of uniform twist and decrease in tilt angle of liquid crystal molecules on application of an electric field lead to amplitude and phase modulations of the transmitted ...
Dev, Kapil, Asundi, Anand Krishna, Kapil Dev, Anand Asundi   +3 more
core   +1 more source