We introduce an asymmetry in the core of a high charge optical vortex by using an appropriate computer generated hologram. The splitting of a high charge optical vortex core into unit charge vortices has been found to depend on the extent of the asymmetry. For a second order vortex, the trajectories of the split unit charged vortices and their separation have been recorded as a function of change in the asymmetry of the core. We find a good agreement between the experimentally obtained and numerically calculated results.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1364/OE.19.006182 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Modeling of Jet Lag and Searching for an Optimal Light Treatment.
J Biol Rhythms
January 2025
Department of Physics and i3n, University of Aveiro, Aveiro, Portugal.
The role of the hierarchical organization of the suprachiasmatic nucleus (SCN) in its functioning, jet lag, and the light treatment of jet lag remains poorly understood. Using the core-shell model, we mimic collective behavior of the core and shell populations of the SCN oscillators in transient states after rapid traveling east and west. The existence of a special region of slow dynamical states of the SCN oscillators can explain phenomena such as the east-west asymmetry of jet lag, instances when entrainment to an advance is via delay shifts, and the dynamics of jet lag recovery time.
View Article and Find Full Text PDFDual-Asymmetric Solid Additive Enables Eco-friendly All-Polymer Solar Cells with Over 19% Efficiency and Excellent Stability.
Angew Chem Int Ed Engl
January 2025
Guangzhou University, Center for Advanced Analytical Science, c/o School of Chemistry and Chemical Engineering, 230 Wai Huan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou 510006 P, 510006, Guangzhou, CHINA.
The optimization of morphology in all-polymer solar cells (all-PSCs) often relies on the use of solvent additives. However, their tendency to remain trapped in the device due to high boiling points leads to performance degradation over time. In this study, we introduce a novel approach involving the design and synthesis of one dual-asymmetric solid additive featuring mono-brominated-asymmetric dithienothiophene (SL-1).
View Article and Find Full Text PDFClinical and magnetic resonance imaging outcome after proximal hamstring tendon repair at mean 3 years follow-up.
Arch Orthop Trauma Surg
January 2025
Center for Musculoskeletal Surgery, Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany.
Purpose: The purpose of this study was to assess clinical and radiological outcome in patients after proximal hamstring tendon repair. We hypothesized that there is a significant correlation among subjective clinical outcome and interlimb asymmetries in muscle strength, fatty infiltration, and hamstring volume.
Methods: This retrospective monocentric case series included patients with surgical repair after proximal hamstring tendon rupture.
Liquid-nano-liquid interface-oriented anisotropic encapsulation.
Proc Natl Acad Sci U S A
January 2025
Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, iChem (Collaborative Innovation Center of Chemistry for Energy Materials), Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, China.
Emulsion interface engineering has been widely employed for the synthesis of nanomaterials with various morphologies. However, the instability of the liquid-liquid interface and uncertain interfacial interactions impose significant limitations on controllable fabrications. Here, we developed a liquid-nano-liquid interface-oriented anisotropic encapsulation strategy for fabricating asymmetric nanohybrids.
View Article and Find Full Text PDFShell Dependence of Highly Tunable Circular Dichroism in Chiral Hybrid Plasmonic Nanomaterials for Chiroptical Applications.
ACS Nano
January 2025
College of Chemistry and Molecular Sciences, Hubei Key Laboratory of Electrochemical Power Sources, Wuhan University, Wuhan 430072, China.
Chiral plasmonic nanomaterials with fascinating physical and chemical properties show emerging chirality-dependent applications in photonics, catalysis, and sensing. The capability to precisely manipulate the plasmonic chirality in a broad spectral range plays a crucial role in enabling the applications of chiral nanomaterials in diverse and complex scenarios; however, it remains a challenge yet to be addressed. Here we demonstrate a strategy to significantly enhance the tunability of circular dichroism (CD) spectra of chiral nanomaterials by constructing core-shell hybrid metal-semiconductor structures with tailored shells.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!