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1,150 Results Found

  • Article
  • Open Access
16 Citations
13,325 Views
18 Pages

25 November 2015

The synthesis and characterization of a novel gadolinium(III) DOTA complex functionalized with a boron-dipyrromethene derivative (BODIPY) is described. The assembly of the complex relies on azide diazotransfer chemistry in a copper tube flow reactor....

  • Article
  • Open Access
4 Citations
4,194 Views
19 Pages

18 November 2020

A detailed study of elastic scattering of electrons and positrons from a hydrogen sulphide (H2S) molecule is presented using the method of partial wave phase shift analysis with suitably chosen complex optical potentials. The important aspect of our...

  • Article
  • Open Access
5 Citations
2,111 Views
11 Pages

Functional and Morphological Changes in the Visual Pathway in Patients with Graves’ Orbitopathy

  • Agnieszka Jagiełło-Korzeniowska,
  • Agata Bałdys-Waligórska,
  • Alicja Hubalewska-Dydejczyk and
  • Bożena Romanowska-Dixon

15 July 2022

Background: The aim of the study was to perform a functional and structural evaluation of the anterior visual pathway in patients with Graves’ Orbitopathy (GO) using electrophysiological tests and OCT, as well as to identify potential parameter...

  • Article
  • Open Access
3 Citations
2,408 Views
27 Pages

The chemical interaction of salicylic acid, formaldehyde, and sulfuric acid produced a disalicylic ligand (3,3′-dicarboxy-2,2′-dihydroxydiphenylmethane, DCM), which was then allowed to coordinate with copper (II) ions. The solid compounds...

  • Article
  • Open Access
2,326 Views
17 Pages

Calculation of the Lowest Resonant States of H and Li by the Complex Absorbing Potential Method

  • Sergey O. Adamson,
  • Daria D. Kharlampidi,
  • Yurii A. Dyakov,
  • Gennady V. Golubkov and
  • Maxim G. Golubkov

30 September 2021

The analysis of the features of the method of complex absorbing potential (CAP) is carried out for a single-channel problem with an explicit parameterization of the scattering matrix. It is shown that there can be several types of CAP trajectories de...

  • Article
  • Open Access
2 Citations
2,602 Views
12 Pages

Ln(III) Complexes Embedded in Biocompatible PLGA Nanoparticles as Potential Vis-to-NIR Optical Probes

  • Fabio Piccinelli,
  • Silvia Mizzoni,
  • Giorgia Zanella,
  • Salvatore Calogero Gaglio,
  • Massimiliano Perduca,
  • Alessandro Romeo,
  • Silvia Ruggieri,
  • Chiara Nardon and
  • Enrico Cavalli

28 February 2023

In this contribution, we present the spectroscopic study of two NIR emitting hydrophobic heteroleptic (R,R)-YbL1(tta) and (R,R)-NdL1(tta) complexes (with tta = 2-thenoyltrifluoroacetonate and L1 = N,N′-bis(2-(8-hydroxyquinolinate)methylidene)-1...

  • Article
  • Open Access
71 Citations
1,983 Views
29 Pages

In this investigation, we utilize advanced versions of the Extended Direct Algebraic Method (EDAM), namely the modified EDAM (mEDAM) and r+mEDAM, to explore families of optical soliton solutions in the Fractional Perturbed Radhakrishnan–Kundu&n...

  • Review
  • Open Access
41 Citations
12,412 Views
50 Pages

29 June 2012

This paper is an overview concerning the preparations and properties as well as possible applications of neutral (one component) metal 1,2-dithiolenes (and selenium analogues). The structural, chemical, electrochemical, optical and electrical behavio...

  • Article
  • Open Access
1 Citations
2,371 Views
12 Pages

29 February 2024

This work investigates the potential to rely on the complex refractive index to correlate the chemical composition of polymers with their optical properties, including transmittance, reflectance and absorbance. The optical properties of polycarbonate...

  • Article
  • Open Access
633 Views
15 Pages

Optical Vortex-Enhanced LIBS: Signal Improvement and Precise Classification of Coal Properties with Machine Learning

  • Yuxia Zhou,
  • Abulimiti Yasen,
  • Jianqiang Ye,
  • Palidan Aierken,
  • Bumaliya Abulimiti and
  • Mei Xiang

30 October 2025

Laser-induced breakdown spectroscopy (LIBS), limited by matrix effects, self-absorption in complex samples, and ambient atmospheric influences, still requires further improvement in detection sensitivity and signal stability. In this work, the excita...

  • Article
  • Open Access
23 Citations
3,307 Views
18 Pages

When Large Language Models Meet Optical Networks: Paving the Way for Automation

  • Danshi Wang,
  • Yidi Wang,
  • Xiaotian Jiang,
  • Yao Zhang,
  • Yue Pang and
  • Min Zhang

Since the advent of GPT, large language models (LLMs) have brought about revolutionary advancements in all walks of life. As a superior natural language processing (NLP) technology, LLMs have consistently achieved state-of-the-art performance in nume...

  • Article
  • Open Access
8 Citations
3,083 Views
11 Pages

11 May 2022

In this work, we report the synthesis of the nido-carborane-substituted ruthenium complexes and the substituent effects of nido-carboranes on the optical properties. Initially, from the optical measurements, it is shown that deep-red phosphorescence...

  • Editorial
  • Open Access
25 Citations
9,027 Views
6 Pages

30 April 2015

In 1913 Alfred Werner received the Nobel Prize in Chemistry for his work that was of great importance for the development of coordination chemistry. In the years that followed numerous complexes consisting of metal ions and organic ligands were isola...

  • Article
  • Open Access
18 Citations
3,075 Views
19 Pages

Thermal, Spectroscopy and Luminescent Characterization of Hybrid PMMA/Lanthanide Complex Materials

  • Małgorzata Gil-Kowalczyk,
  • Renata Łyszczek,
  • Anna Jusza and
  • Ryszard Piramidowicz

8 June 2021

Novel hybrid materials based on the poly(methyl methacrylate) (PMMA) matrix and lanthanide(III) carboxylates Eu:2,6-DClB and Tb:2,6-DClB were synthesized and carefully analyzed in the context of their potential application in optically active polymer...

  • Article
  • Open Access
17 Citations
5,254 Views
24 Pages

9 November 2021

Optical metrology is a key element for many areas of modern production. Preferably, measurements should take place within the production line (in-process) and keep pace with production speed, even if the parts have a complex geometry or are difficult...

  • Article
  • Open Access
11 Citations
2,741 Views
12 Pages

Nonlinear impairments caused by devices and fiber transmission links in a coherent optical communication system can severely limit its transmission distance and achievable capacity. In this paper, we propose a low-complexity pruned-convolutional-neur...

  • Article
  • Open Access
1 Citations
1,722 Views
11 Pages

Generation of Longitudinal Bessel Beam Based on Complex Amplitude Metasurface

  • Lei Zhang,
  • Qiang Jiang,
  • Xuedian Zhang and
  • Songlin Zhuang

Bessel beams occupy an important position in optical research due to their characteristics of long focal depth, self-healing ability, and diffraction-free propagation. Traditional methods for generating Bessel beams suffer from complexity, a large si...

  • Article
  • Open Access
6 Citations
1,515 Views
18 Pages

The Biopolymer Active Surface for Optical Fibre Sensors

  • Karol A. Stasiewicz,
  • Wiktor Bereski,
  • Iwona Jakubowska,
  • Rafał Kowerdziej,
  • Dorota Węgłowska and
  • Anna Spadło

25 July 2024

Optical fibre sensors have the potential to be overly sensitive and responsive, making them useful in various applications to detect the presence of pollutants in the environment, toxic gasses, or pesticides in soil. Deoxyribonucleic acid (DNA) as bi...

  • Feature Paper
  • Article
  • Open Access
10 Citations
5,448 Views
25 Pages

19 September 2019

Many standard methods used for the remote sensing of ocean colour have been developed, though mainly for clean, open ocean waters. This means that they may not always be effective in complex waters potentially containing high concentrations of optica...

  • Article
  • Open Access
1,358 Views
15 Pages

9 October 2025

This study aimed to evaluate the performance of seven advanced AI Large Language Models (LLMs)—ChatGPT 4o, ChatGPT O3 Mini, ChatGPT O1, DeepSeek V3, DeepSeek R1, Gemini 2.0 Flash, and Grok-3—in answering multiple-choice questions (MCQs) i...

  • Communication
  • Open Access
20 Citations
4,893 Views
8 Pages

26 April 2018

Due to the wide potential application in the fields of sensing, lighting materials, and optical–electrical multifunctional devices, rare earth complex hybrid materials have been studied extensively over the past decades. A poly(ionic liquid)/me...

  • Article
  • Open Access
5 Citations
866 Views
14 Pages

Numerical Insights into Wide-Angle, Phase-Controlled Optical Absorption in a Single-Layer Vanadium Dioxide Structure

  • Abida Parveen,
  • Ahsan Irshad,
  • Deepika Tyagi,
  • Mehboob Alam,
  • Shakeel Ahmed,
  • Keyu Tao and
  • Zhengbiao Ouyang

10 May 2025

Vanadium dioxide (VO2) is a well-known phase-change material that exhibits a thermally driven insulator-to-metal transition (IMT) near 68 °C, leading to significant changes in its electrical and optical properties. This transition is governed by...

  • Article
  • Open Access
1,448 Views
9 Pages

10 July 2024

The complex optical model has been widely used to describe the elastic scattering of the nucleon–nucleus. The imaginary term of the optical potential takes into account the non-elastic scattering processes. This term was taken to be a Woods&nda...

  • Article
  • Open Access
92 Citations
13,224 Views
14 Pages

Design of a Pressure Sensor Based on Optical Fiber Bragg Grating Lateral Deformation

  • Frantisek Urban,
  • Jaroslav Kadlec,
  • Radek Vlach and
  • Radek Kuchta

8 December 2010

This paper describes steps involved in the design and realization of a new type of pressure sensor based on the optical fiber Bragg grating. A traditional pressure sensor has very limited usage in heavy industrial environments, particularly in explos...

  • Article
  • Open Access
1 Citations
938 Views
19 Pages

TFCNet: A Hybrid Architecture for Multi-Task Restoration of Complex Underwater Optical Images

  • Shengya Zhao,
  • Xiufen Ye,
  • Xinkui Mei,
  • Shuxiang Guo and
  • Haibin Qi

Underwater optical images are crucial in marine exploration. However, capturing these images directly often results in color distortion, noise, blurring, and other undesirable effects, all of which originate from the unique physical and chemical prop...

  • Article
  • Open Access
1,880 Views
11 Pages

New Optically Active tert-Butylarylthiophosphinic Acids and Their Selenium Analogues as the Potential Synthons of Supramolecular Organometallic Complexes: Syntheses and Crystallographic Structure Determination

  • Jarosław Błaszczyk,
  • Bogdan Bujnicki,
  • Patrycja Pokora-Sobczak,
  • Grażyna Mielniczak,
  • Lesław Sieroń,
  • Piotr Kiełbasiński and
  • Józef Drabowicz

The aim of the research described in this publication is two-fold. The first is a detailed description of the synthesis of a series of compounds containing a stereogenic heteroatom, namely the optically active P-stereogenic derivatives of tert-butyla...

  • Article
  • Open Access
7 Citations
3,583 Views
17 Pages

Monte Carlo-Based Optical Simulation of Optical Distribution in Deep Brain Tissues Using Sixteen Optical Sources

  • Xi Yang,
  • Chengpeng Chai,
  • Hongzhi Zuo,
  • Yun-Hsuan Chen,
  • Junhui Shi,
  • Cheng Ma and
  • Mohamad Sawan

Optical-based imaging has improved from early single-location research to further sophisticated imaging in 2D topography and 3D tomography. These techniques have the benefit of high specificity and non-radiative safety for brain detection and therapy...

  • Article
  • Open Access
19 Citations
3,545 Views
15 Pages

Induced Phases of New H-bonded Supramolecular Liquid Crystal Complexes; Mesomorphic and Geometrical Estimation

  • Rua B. Alnoman,
  • Hoda A. Ahmed,
  • Mohamed Hagar,
  • Khulood A. Abu Al-Ola,
  • Bedor Sh. Alrefay,
  • Bashayer A. Haddad,
  • Raghad F. Albalawi,
  • Razan H. Aljuhani,
  • Lama D. Aloqebi and
  • Shoaa F. Alsenani

28 March 2020

New five rings architecture of 1:1 supramolecular hydrogen bonded (H-bonded) complexes were formed between 4-(2-(pyridin-4-yl)diazenyl-3-methylphenyl 4-alkoxybenzoates and 4-n-alkoxyphenyliminobenzoic acids. Mesomorphic and optical behaviors of three...

  • Proceeding Paper
  • Open Access
2 Citations
1,032 Views
4 Pages

Bimodal Nanoprobes Containing AgInSe2 Hydrophilic Quantum Dots and Paramagnetic Chelates for Diagnostic Magnetic Resonance Imaging

  • Rebeca Muniz de Melo,
  • Gabriela Marques de Albuquerque,
  • Goreti Pereira and
  • Giovannia Araujo de Lima Pereira

26 October 2023

The development of bimodal systems with signals for two diagnostic techniques has been increasing. Magnetic resonance imaging (MRI) is a non-invasive technique that distinguishes pathological tissues from healthy ones. To improve the images’ co...

  • Article
  • Open Access
1 Citations
2,742 Views
16 Pages

Synthesis of New Ruthenium Complexes and Their Exploratory Study as Polymer Hybrid Composites in Organic Electronics

  • Ricardo Ballinas-Indilí,
  • María Elena Sánchez Vergara,
  • Saulo C. Rosales-Amezcua,
  • Joaquín André Hernández Méndez,
  • Byron López-Mayorga,
  • René Miranda-Ruvalcaba and
  • Cecilio Álvarez-Toledano

9 May 2024

Polymeric hybrid films, for their application in organic electronics, were produced from new ruthenium indanones in poly(methyl methacrylate) (PMMA) by the drop-casting procedure. Initially, the synthesis and structural characterization of the ruthen...

  • Article
  • Open Access
10 Citations
3,072 Views
16 Pages

Polarization-Insensitive Graphene Modulator Based on Hybrid Plasmonic Waveguide

  • Songyue Liu,
  • Manzhuo Wang,
  • Tingyu Liu,
  • Yan Xu,
  • Jianbo Yue,
  • Yunji Yi,
  • Xiaoqiang Sun and
  • Daming Zhang

28 August 2022

A polarization-insensitive graphene-assisted electro-optic modulator is proposed. The orthogonal T-shaped metal slot hybrid plasmonic waveguide allows the polarization-independent propagation of transverse electric field mode and complex mode. By the...

  • Article
  • Open Access
8 Citations
3,875 Views
9 Pages

5 October 2018

Ionogels refer to an emerging composite material made from the confinement of ionic liquids within some specific cross-linked network matrices. They have potential applications in areas such as electrochemical and optical-electric materials. Incorpor...

  • Article
  • Open Access
1 Citations
995 Views
12 Pages

Oligonuclear Manganese Complexes with Multiple Redox Properties for High-Contrast Electrochromism

  • Yi-Ting Wu,
  • Hao-Tian Deng,
  • Li-Yi Zhang,
  • Meng-Die Li,
  • Feng-Rong Dai and
  • Zhong-Ning Chen

This study is dedicated to the design of multiple redox-active oligonuclear manganese complexes supported with a bis(tetradentate) ligand (TPDP = 1,3-bis(bis(2-pyridinylmethyl)amino)-2-propanol) for high-contrast electrochromism based on the reversib...

  • Review
  • Open Access
21 Citations
8,666 Views
29 Pages

20 December 2024

This article explores the integration of artificial intelligence (AI) and advanced digital technologies into laser processing, highlighting their potential to enhance precision, efficiency, and process control. The study examines the application of d...

  • Article
  • Open Access
1,037 Views
18 Pages

Simulation and Modelling of C+L+S Multiband Optical Transmission for the OCATA Time Domain Digital Twin

  • Prasunika Khare,
  • Nelson Costa,
  • Marc Ruiz,
  • Antonio Napoli,
  • Jaume Comellas,
  • Joao Pedro and
  • Luis Velasco

20 March 2025

C+L+S multiband (MB) optical transmission has the potential to increase the capacity of optical transport networks, and thus, it is a possible solution to cope with the traffic increase expected in the years to come. However, the introduction of MB o...

  • Review
  • Open Access
52 Citations
9,099 Views
19 Pages

A Review of Transparent Sensors for Photoacoustic Imaging Applications

  • Danyang Ren,
  • Yizhe Sun,
  • Junhui Shi and
  • Ruimin Chen

10 August 2021

Photoacoustic imaging is a new type of noninvasive, nonradiation imaging modality that combines the deep penetration of ultrasonic imaging and high specificity of optical imaging. Photoacoustic imaging systems employing conventional ultrasonic sensor...

  • Article
  • Open Access
811 Views
25 Pages

3 November 2025

To address the challenges of poor adaptability to spatial heterogeneity, easy breakage of amplitude–phase coupling relationships, and insufficient physical consistency in complex optical wavefield reconstruction, this paper proposes the DdONN-P...

  • Case Report
  • Open Access
19 Citations
21,490 Views
20 Pages

18 April 2019

Velocity dictates the destructive potential of a landslide. A combination of synthetic aperture radar (SAR), optical, and GPS data were used to maximize spatial and temporal coverage to monitor continuously-moving portions of the Portuguese Bend land...

  • Article
  • Open Access
1,780 Views
7 Pages

GeAsSeTe/GeAsSe Pedestal Waveguides for Long-Wave Infrared Tunable on-Chip Spectroscopy

  • Vasileios Mourgelas,
  • Sirawit Boonsit,
  • James Shafto Wilkinson and
  • Ganapathy Senthil Murugan

24 February 2024

A dry-etched pedestal chalcogenide waveguide platform, designed for use in long-wave IR spectrometer applications, is demonstrated, fabricated and optically characterized. The optical layers were deposited on pre-patterned dry-etched silicon pedestal...

  • Article
  • Open Access
2 Citations
2,417 Views
11 Pages

5 November 2020

In this paper, we propose a novel approach for implementing spiking neurons through an optical system. Spiking neurons are a new approach to emulate the neural processes that occur in the brain, known as the third generation of artificial neural netw...

  • Article
  • Open Access
757 Views
25 Pages

This study investigates the dynamics of optical solitons for the variable-coefficient coupled higher-order nonlinear Schrödinger equation (VCHNLSE) enriched with β-derivatives. By employing an extended direct algebraic method (EDAM), we suc...

  • Article
  • Open Access
64 Citations
17,032 Views
19 Pages

Rapid Urban Mapping Using SAR/Optical Imagery Synergy

  • Christina Corbane,
  • Jean-François Faure,
  • Nicolas Baghdadi,
  • Nicolas Villeneuve and
  • Michel Petit

12 November 2008

This paper highlights the potential of combining Synthetic Aperture Radar (SAR) and optical data for operational rapid urban mapping. An algorithm consisting of a completely unsupervised procedure for processing pairs of co-registered SAR/optical ima...

  • Article
  • Open Access
15 Citations
5,467 Views
10 Pages

19 April 2022

High-performance waveguide-integrated Ge/Si APDs in separate absorption, charge, and multiplication (SACM) schemes have been exploited to facilitate energy-efficient optical communication and interconnects. However, the charge layer design is complex...

  • Article
  • Open Access
268 Views
16 Pages

10 February 2026

This paper proposes an advanced all-optical de-aggregation scheme based on cascaded phase-sensitive amplification (PSA) for high-fidelity hierarchical information extraction from circular-32QAM signals. The proposed architecture systematically decomp...

  • Article
  • Open Access
8 Citations
2,566 Views
19 Pages

Rational Design, Stabilities and Nonlinear Optical Properties of Non-Conventional Transition Metalides; New Entry into Nonlinear Optical Materials

  • Mohammed A. Alkhalifah,
  • Nadeem S. Sheikh,
  • Yasair S. S. Al-Faiyz,
  • Imene Bayach,
  • Ralf Ludwig and
  • Khurshid Ayub

28 April 2023

Electronic and nonlinear optical properties of endohedral metallofullerenes are presented. The endohedral metallofullerenes contain transition metal encapsulated in inorganic fullerenes X12Y12 (X = B, Al & Y = N, P). The endohedral metallofullere...

  • Review
  • Open Access
15 Citations
11,831 Views
22 Pages

Cell Signaling Experiments Driven by Optical Manipulation

  • Francesco Difato,
  • Giulietta Pinato and
  • Dan Cojoc

25 April 2013

Cell signaling involves complex transduction mechanisms in which information released by nearby cells or extracellular cues are transmitted to the cell, regulating fundamental cellular activities. Understanding such mechanisms requires cell stimulati...

  • Article
  • Open Access
4 Citations
4,944 Views
10 Pages

30 August 2021

We demonstrate a pruned high-speed and energy-efficient optical backpropagation (BP) neural network. The micro-ring resonator (MRR) banks, as the core of the weight matrix operation, are used for large-scale weighted summation. We find that tuning a...

  • Communication
  • Open Access
1,317 Views
8 Pages

Toroidal vortices, as intriguing topological structures, play a fundamental role across a wide range of physical fields. In this study, we theoretically propose a family of structured optical toroidal vortices as generalized forms of toroidal vortice...

  • Article
  • Open Access
5 Citations
6,727 Views
15 Pages

30 April 2015

1/1 dispersions of ss-DNA/CNT complexes in mass ratios were investigated in a mixture with didodecyldimethylammonium bromide, DDAB. Depending on the amounts of the surface-active agent and of the complexes, solutions, precipitates, or re-dissolution...

  • Feature Paper
  • Article
  • Open Access
904 Views
14 Pages

12 September 2025

This paper provides highly dispersive optical soliton solutions to the perturbed complex Ginzburg–Landau equation. The self-phase modulation structures are maintained in three forms, which are derived from the power law of nonlinearity with arb...

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