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17 Results Found

  • Article
  • Open Access
13 Citations
5,823 Views
14 Pages

Ocular Phenotype Associated with DYRK1A Variants

  • Cécile Méjécase,
  • Christopher M. Way,
  • Nicholas Owen and
  • Mariya Moosajee

5 February 2021

Dual-specificity tyrosine phosphorylation-regulated kinase 1A or DYRK1A, contributes to central nervous system development in a dose-sensitive manner. Triallelic DYRK1A is implicated in the neuropathology of Down syndrome, whereas haploinsufficiency...

(This article belongs to the Special Issue Genomics and Therapeutics of Hereditary Eye Disease)
  • Article
  • Open Access
9 Citations
6,014 Views
17 Pages

3 September 2024

Wi-Fi round-trip time (RTT) ranging has proven successful in indoor localization. Here, it is shown to be useful outdoors as well—and more accurate than smartphone code-based GNSS when used near buildings with Wi-Fi access points (APs). A Bayes...

  • Article
  • Open Access
5 Citations
2,343 Views
27 Pages

Versatile Adjustment of LDPE Properties via Specific Treatments to Design Optical Components for Display Technologies

  • Andreea Irina Barzic,
  • Iuliana Stoica,
  • Mihaela Iuliana Avadanei,
  • Raluca Marinica Albu and ,
  • Dan-Gheorghe Dimitriu and
  • Dana-Ortansa Dorohoi
  • + 1 author+ 0 author

22 February 2025

Transparent polymers are key materials for producing a broad category of optical components. For specific uses, the material needs additional adaptation of its basic properties. In this context, the current article is focused on applying two kinds of...

(This article belongs to the Section Polymer Applications)
  • Article
  • Open Access
31 Citations
6,681 Views
11 Pages

Dispersion of the Retardation of a Photoelastic Modulator

  • Shuang Wang,
  • Xie Han,
  • Yaning Wang and
  • Kewu Li

19 January 2019

Recently, ellipsometry and polarization imaging using photoelastic modulators (PEMs) have been applied to a wide spectral range, from vacuum ultraviolet to the mid-infrared wavelengths. To ensure high accuracy polarization performance, the accurate c...

(This article belongs to the Section Optics and Lasers)
  • Article
  • Open Access
19 Citations
8,826 Views
14 Pages

Compact Birefringent Waveplates Photo-Induced in Silica by Femtosecond Laser

  • Matthieu Lancry,
  • Rudy Desmarchelier,
  • Kevin Cook,
  • Bertrand Poumellec and
  • John Canning

30 September 2014

Recently, we showed that femtosecond laser induced “nanogratings” consist of thin regions with a low refractive index (Δn = −0.15), due to the formation of nanoporous silica surrounded by regions with a positive index change. In this paper, we invest...

(This article belongs to the Special Issue Laser Micro- and Nano- Processing)
  • Article
  • Open Access
18 Citations
4,715 Views
11 Pages

Axial Length and Prevalence of Myopia among Schoolchildren in the Equatorial Region of Brazil

  • Erisa Yotsukura,
  • Hidemasa Torii,
  • Hiroko Ozawa,
  • Richard Yudi Hida and ,
  • Tetsuro Shiraishi,
  • Ivan Corso Teixeira,
  • Yessa Vervloet Bertollo Lamego Rautha,
  • Caio Felipe Moraes do Nascimento,
  • Kiwako Mori and
  • Kazuo Tsubota
  • + 8 authors+ 3 authors

31 December 2020

The prevalence of myopia is increasing globally, and the outdoor light environment is considered as a possible factor that can retard myopia. The aim of this study was to evaluate the prevalence of myopia and the light environment in Aracati, equator...

(This article belongs to the Special Issue Ophthalmic Optics and Visual Function)
  • Article
  • Open Access
405 Views
21 Pages

1 July 2026

This study develops a fractional Jeffreys heat conduction model to describe laser-induced thermoelastic distortions in thin optical materials under ultrafast surface heating. The framework employs three fractional parameters to characterize anomalous...

(This article belongs to the Special Issue Applied Mathematical Modelling and Dynamical Systems, 3rd Edition)
  • Article
  • Open Access
29 Citations
4,685 Views
18 Pages

14 August 2023

Polyimide (PI) optical films with high glass transition temperatures (high-Tg), high optical transparency, and low optical retardations (low-Rth) are highly desired in advanced optoelectronic applications. However, the standard PI films usually suffe...

(This article belongs to the Collection Polyimide)
  • Article
  • Open Access
6 Citations
3,312 Views
16 Pages

6 May 2022

In this work, we thoroughly investigate the effects of the incorporation of a phosphate glass micrometric powder on the morphology, as well as on the thermal, optical, mechanical and flame retardant properties of UV-LED curable acrylic films. To this...

(This article belongs to the Special Issue Polymer Composite Analysis and Characterization)
  • Article
  • Open Access
7 Citations
2,831 Views
9 Pages

Multi-Parametric Birefringence Control in Ultrashort-Pulse Laser-Inscribed Nanolattices in Fluorite

  • Sergey Kudryashov,
  • Alexey Rupasov,
  • Mikhail Smayev,
  • Pavel Danilov and ,
  • Evgeny Kuzmin,
  • Irina Mushkarina,
  • Alexey Gorevoy,
  • Anna Bogatskaya and
  • Alexander Zolot’ko
  • + 4 authors+ 0 author

22 March 2023

An ultrashort-pulse laser inscription of embedded birefringent microelements was performed inside bulk fluorite in pre-filamentation (geometrical focusing) and filamentation regimes as a function of laser wavelength, pulsewidth and energy. The result...

(This article belongs to the Special Issue Research on Nano-Lattice)
  • Review
  • Open Access
17 Citations
5,131 Views
12 Pages

Is 0.01% Atropine an Effective and Safe Treatment for Myopic Children? A Systemic Review and Meta-Analysis

  • Hou-Ren Tsai,
  • Tai-Li Chen,
  • Jen-Hung Wang,
  • Huei-Kai Huang and
  • Cheng-Jen Chiu

24 August 2021

Several conflicting results regarding the efficacy of 0.01% atropine in slowing axial elongation remain in doubt. To solve this issue and evaluate the safety of 0.01% atropine, we conducted a systematic review and meta-analysis with the latest eviden...

(This article belongs to the Special Issue Ophthalmic Optics and Visual Function)
  • Article
  • Open Access
10 Citations
3,168 Views
10 Pages

Nanohydrodynamic Local Compaction and Nanoplasmonic Form-Birefringence Inscription by Ultrashort Laser Pulses in Nanoporous Fused Silica

  • Sergey Kudryashov,
  • Alexey Rupasov,
  • Roman Zakoldaev,
  • Mikhail Smaev and ,
  • Aleksandr Kuchmizhak,
  • Alexander Zolot’ko,
  • Michail Kosobokov,
  • Andrey Akhmatkhanov and
  • Vladimir Shur
  • + 4 authors+ 0 author

15 October 2022

The inscription regimes and formation mechanisms of form-birefringent microstructures inside nano-porous fused silica by tightly focused 1030- and 515-nm ultrashort laser pulses of variable energy levels and pulsewidths in the sub-filamentary regime...

(This article belongs to the Special Issue Laser Synthesis and Processing of Nanostructured Materials)
  • Article
  • Open Access
59 Citations
8,855 Views
16 Pages

A Negative Index Metamaterial to Enhance the Performance of Miniaturized UWB Antenna for Microwave Imaging Applications

  • Md. Zulfiker Mahmud,
  • Mohammad Tariqul Islam,
  • Norbahiah Misran,
  • Mandeep Jit Singh and
  • Kamarulzaman Mat

8 November 2017

A new, compact planar wideband negative index metamaterial based on a modified split ring resonator (SRR) is studied to enhance performance of ultrawideband antenna. A compact, metamaterial (MTM)-inspired microstrip antenna is presented for microwave...

(This article belongs to the Section Materials Science and Engineering)
  • Article
  • Open Access
7 Citations
3,418 Views
16 Pages

A Comprehensive Study on Elasticity and Viscosity in Biomechanics and Optical Properties of the Living Human Cornea

  • Francisco J. Ávila,
  • Óscar del Barco,
  • María Concepción Marcellán and
  • Laura Remón

Corneal biomechanics is a hot topic in ophthalmology. The biomechanical properties (BMPs) of the cornea have important implications in the management and diagnosis of corneal diseases such as ectasia and keratoconus. In addition, the characterization...

(This article belongs to the Special Issue Visual Optics)
  • Review
  • Open Access
16 Citations
5,665 Views
22 Pages

Bayesian Meta-Analysis of Myopia Control with Multifocal Lenses

  • Saulius Varnas,
  • Xiaomeng Gu and
  • Andrew Metcalfe

12 February 2021

The aim of this study is to provide reliable guidelines for the mean percentage efficacy together with the 95% credibility interval in slowing down progression of myopia by a specific intervention over defined time periods, derived from a substantial...

(This article belongs to the Special Issue New Frontiers in Myopia Progression in Children)
  • Article
  • Open Access
13 Citations
4,694 Views
22 Pages

Influence of Transesterification Catalysts Synthesized with Citric Acid on the Quality and Oxidative Stability of Biodiesel from Black Soldier Fly Larvae

  • Lilies K. Kathumbi,
  • Patrick G. Home,
  • James M. Raude,
  • Benson B. Gathitu and ,
  • Anthony N. Gachanja,
  • Anthony Wamalwa and
  • Geoffrey Mibei
  • + 2 authors+ 0 author

2 September 2022

In biodegradable waste management, use of Black Soldier Fly Larvae (BSFL) is a promising method for bioconversion of waste into crude insect fat as feedstock for biodiesel production. Biodiesel is a renewable alternative to fossil fuel, but it is mor...

(This article belongs to the Special Issue Waste to Fuels and Chemicals: Toward a Clean, Green, and Sustainable World)
  • Feature Paper
  • Article
  • Open Access
19 Citations
4,671 Views
25 Pages

Towards a Rationalization of Ultrafast Laser-Induced Crystallization in Lithium Niobium Borosilicate Glasses: The Key Role of the Scanning Speed

  • Elisa Muzi,
  • Maxime Cavillon,
  • Matthieu Lancry,
  • François Brisset and ,
  • Ruyue Que,
  • Diego Pugliese,
  • Davide Janner and
  • Bertrand Poumellec
  • + 3 authors+ 0 author

15 March 2021

Femtosecond (fs)-laser direct writing is a powerful technique to enable a large variety of integrated photonic functions in glass materials. One possible way to achieve functionalization is through highly localized and controlled crystallization insi...

(This article belongs to the Special Issue Laser-Induced Crystallization)