Photoalignment and photopatterning has been proposed and studied for a long time [1]. Light is responsible for the delivery of energy as well as phase and polarization information to materials systems. It was shown that photoalignment liquid crystals by azodye nanolayers could pr [....] » Read More
This intrascleral micro-implant with Tissue plasminogen activator (abbreviated tPA or PLAT), contains is a protein involved in the breakdown of blood clots. It is a serine protease (EC 3.4.21.68) found on endothelial cells, the cells that line the blood vessels. As an enzyme, it [....] » Read More
Animal model system research has aided in the discovery of better treatments for breast cancer. There are now a plethora of models available that reflect various types and stages of disease; which one to utilise depends on the specific research question(s) to be investigated. Due [....] » Read More
A total of 20 infants with bilateral symmetric zone 2 stages 3 advancing ROP were treated with conventional laser treatment followed by randomization of one eye to receive additional posterior retinal laser treatment. Patients were followed up prospectively for 3 months. [....] » Read More
The development of laser sources, which allows for the generation of shorter pulses and broader bandwidths in new wavelength regions, is significantly aided by research on novel 2D materials. The 2D transition metal compounds known as MXenes, which feature tunable bandgaps and si [....] » Read More
Non-invasive, portable, economical, dynamic blood glucose monitoring device has become a functional requirement for diabetes in his regulating entire life. In photoacoustic (PA) dual-wavelength near infrared differential-absorption measurement, the glucose in aqueous solutions wa [....] » Read More
Light scattering by nanoparticles including Mie scattering.is an interesting topic both fundamentally and practically, while the control of the nanoparticle scattering is key for many applications such as controlled light-matter interaction at the nanoscale. In this talk, I will [....] » Read More
5G defines below 100 GHz as the millimeter-wave (MMW) bands, whereas 100 GHz - 3 THz is categorized as THz band in 6G. Photonics-aided MMW generation is a key technique in the fiber-wireless network, which overcomes the bottleneck of the deployed electrical devices. Moreover, dee [....] » Read More
Starting with the basic laws of electricity and magnetism, we study the optical modes associated with the plasma oscillations of the free electron gas on a metal surface in contact with a dielectric layer. We then obtain mathematical equations for these optical modes for optical [....] » Read More
Laser Shock Peening is a promising surface enhancement technique applied to variety of metal materials to improve their surface, microstructure and mechanical properties. The induced compressive residual stress through laser shock peening is beneficiary to retard the crack initia [....] » Read More
Our study on tunable anti-lasing or commonly known as coherent perfect absorption can be expressed with a simple formula as for TE-polarization. The expression can be used to estimate all necessary parameters required for anti-lasing, such as, materials type, it's thic [....] » Read More
A quantum dot (QD) is a semiconductor nanostructure that confines the motion of conduction band electrons, valence band holes, or excitons (bound pairs of conduction band electrons and valence band holes) in all three spatial directions. The quantum confinement results in appeara [....] » Read More
Bad weather has an adverse impact on outdoor vision systems and also increases the possibilities of traffic crashes and road accidents. Outdoor images captured in bad weather conditions such as haze and fog are degraded due to the scattering of atmospheric particles. The decrease [....] » Read More
The spinel, AlCr2O4 is obtained using the sol-gel procedure. Nanocomposite AlCr2O4/MXene was synthesized by the Coprecipitation method. Structural and morphological properties of nanostructures were investigated through different characteristics techniques like XRD, SEM, Raman Sp [....] » Read More
Intensity-modulation and direct-detection (IM/DD) systems deployed for short reach optical fiber links require electronic dispersion compensation (EDC) at the transmitter and/or electronic equalization at the receiver. Under direct detection, the optical phase is lost and complex [....] » Read More
Diabetes mellitus (DM) is often associated with delayed wound healing and non-traumatic limb amputation, mainly due to reduced cell proliferation and viability, and increased apoptosis resulting in deregulated wound healing processes. Apoptosis is responsible for the removal of i [....] » Read More
This lecture in Quantum-Relativity describes what you should have been taught about relativity very early on in your physics higher education. As quantum physicists, you will benefit from understanding why the quanta transit time takes longer than expected in passage through tran [....] » Read More
3D iris recognition is one of the most reliable techniques for identifying the gender of individuals. Each iris consists of an inner and outer circular looking area. The outer area does not change in size, while the inner area can change in size and appearance over time. These ch [....] » Read More
One of the eye movements that led to the creation of the saccadic model is the saccade. This research relies on burst neurons and a resettable integrator model, which are the cornerstones of the saccadic system. We provide one of the most effective new functions for the right and [....] » Read More
We investigate the dark current-voltage properties of P3HT: PCBM based solar cell at different temperatures. The experimental data were fitted using two methods: Analytical Lambert Method, and Two Regions Method. Several electrical parameters such as: ideality factor n, series re [....] » Read More
The work explores the enhancement of photoluminescence properties of nano-sized LuPO4:Pr3+ phosphor powders synthesized by sol gel process with incorporation of yttrium ions inside of this single matrix to obtain (Lu1-xYx)PO4:Pr3+ (x=10, 20, 30, 40, 50 at. %) powders. Under UV ex [....] » Read More
Title : Suppression of scattering blur in macroscopic imaging of human body using NIR light
Koichi Shimizu, Xidian University, China
Near-infrared (NIR) light has relatively low attenuation in the human body, and reaches deeper in our body than visible light. We can visualize the internal structure of our body in transillumination imaging or oblique-illumination imaging with NIR light. However, the light is st [....] » Read More
Title : Functional materials engineering with femtosecond laser induced plasma
Gin Jose, University of Leeds, United Kingdom
Deposition of functional materials and doping using femtosecond lasers have become an important area materials research. The ultrafast laser doping (ULPD) technique is a new technique developed by us to fabricate planar waveguides on glasses and silica on silicon. In this p [....] » Read More
Title : Comparative analysis mathematical models for the problems of electron optics
Valentin Ivanov, Budker Institute of Nuclear Physics, Russian Federation
The comparative analysis of modern mathematical models for 3D problems in electron optics is presented. These methods include both stationary and non-stationary self-consistent problems in the optics of intense beams of relativistic charged particles, as well as problems in the o [....] » Read More
Title : Wave scattering by many small particles and applications
Alexander G Ramm, Kansas State University, United States
The theory of wave scattering by many small impedance particles of arbitrary shapes is developed. The basic assumptions are a << d << λ, where a is the characteristic size of particles, d is the smallest distance between the neighboring particles [....] » Read More
Title : Fiber Optics Structural Analysis (FOSA): Application of Analytical ("Mathematical") Predictive Modeling
Ephraim Suhir, Portland State University, United States
The fundamentals of a body of knowledge that could be identified as fiber optics structural analysis (FOSA) are addressed. The emphasis is on the application of analytical ("mathematical") predictive modeling, as well as on the probabilistic design for reliability (PDfR [....] » Read More
Title : Miniature and Accurate 3D Structured Light Sensor on Mobile Intelligent Terminal
Feifei Gu, Shenzhen Institute of Advanced Technology, China
3D vision technology has been recognized as one of the standard technologies for mobile intelligent terminals such as mobile phones to enter the new era of intelligent human-computer interaction. Now 3D vision technology has been successfully applied at mobile terminals in many f [....] » Read More
Title : Doppler Asymmetric Spatial Heterodyne Spectroscopy for the Middle Atmosphere Wind Measurement
Yutao Feng, Xi’an Institute of Optics and Precision Mechanics, China
A space-borne near Infrared Doppler Asymmetric Heterodyne Spectroscopy(nIR-DASH) remote sensing technique for the middle atmosphere wind field measurement is reported. The research progress of passive optical remote sensing technology for wind field in middle an [....] » Read More
Title : Observation and Relativity: The speed of light is not truly invariant!
Xiaogang Ruan, Beijing University of Technology, China
In 1905, inspired by the Michelson-Morley experiment, Einstein proposed the hypothesis of the invariance of light speed (ILS), from which he theoretically deduced the Lorentz transformation, established the theory of special relativity (SR), and revealed the relativistic phenomen [....] » Read More
Title : Fabrication and Performance of Sputtered Blu-Ray Disks as SERS Substrates for TNT Detection
Mitra Djamal, Institut Teknologi Bandung, Indonesia
Latest developments in leading fabrication methods have allowed the fabrication of surface enhanced Raman spectroscopy (SERS) substrates with repeatable nanostructures on its surface that come out with reproducible analyses. Here, we fabricated a simple and reproducible sputtered [....] » Read More
Title : A review on cosmic red shift definition and cosmic light speed expansion
U V S Seshavatharam, I-Serve, India
As there is no theoretical proof or observational evidence for super luminal speeds, we appeal the science community to review the basic definition of cosmic redshift. Modern cosmic foundations were inferred and developed on the concept of galactic red shift associated with the & [....] » Read More
Title : Study of Lower order Entanglement in Non-Degenerate Four Wave Mixing Process
Moumita Das, Malda College, India
Four Wave Mixing (FWM) process has shown promise in quantum optics for the generation of the non-classical state. In this paper, we are considering the non-degenerate four-wave mixing process. This process gives rise due to the interaction of the radiation field with the third-or [....] » Read More
Title : International year of glass-2022 – life line of lanthanide doped glasses for photonic applications
C K Jayasankar, Sri Venkateswara University, India
Out of many materials, glasses are not only used initially as decorative and colored gem stones but play life line for today progress and prosperous of modern science and technology. Moreover, glass is the only material that can be fabricated bulky slabs for construction of sta [....] » Read More
Title : Wireless Self-Organizing Networks and Trust Management System
Subir Kumar Sarkar, Jadavpur University, India
Ad hoc networks are autonomous systems which comprise a collection of mobile nodes that use wireless transmission for communication. They are self-organized , self-configured , and self-controlled infrastructure-less networks. In the last few years , mobile ad hoc networks (MANET [....] » Read More
Title : Hermite cosh gaussian laser-Induced electron acceleration
Jyoti Rajput, Lovely Professional University, India
In this research work, we have investigated the electron dynamics employing a radially polarized (RP) Hermite-Cosh-Gaussian (HChG) laser beam. The Hermite Cosh Gaussian laser beam. Due to the beam has a property of earlier focus of such a laser beam, which enables it is better su [....] » Read More
Title : Metalenses: A framework for designing and fabricating metalenses
Angelos Bouchouri, University of South Eastern Norway, Norway
The subject of the presentation are Metalens. Metalens are flat metamaterials that replicate the optical functions of traditional lens. While traditional lens achieves focusing by refraction, metalens achieve focusing by diffraction. They are consisted of a surface that is precis [....] » Read More
Title : Photoluminescence properties of RE ions (Tb3+, Ho3+, Er3+, Eu3+) doped CdF2 single crystal
Hani Boubekri, Enset Skikda, Algeria
This paper reports the photoluminescence properties of RE ions (Tb3+ Ho3+ Er3+ Eu3+ ) doped CdF2 single crystal . In recent years, rare earths (RE) doped host matrix have been studied extensively due to their potential applications in green technology. They have an important role [....] » Read More
Title : Theoretical analysis of structural, electrical, and optical considerations for AlGaN-based UVC-LED development
Carlos A Hernandez Gutierrez, Ecnologico Nacional de Mexico Campus Tuxtla, Mexico
Nitrides are one important semiconductor family since the wide bandgap exhibited from the infrared to the ultraviolet spectrum. However, it is essential to mention that several issues lack an important improvement in the efficiency and optimization of material growth. Molecular B [....] » Read More
Title : Apparent mean-field criticality of the liquid-liquid phase transition of ionic solutions
Wolffram Schroer, University Bremen, Germany
Liquid-liquid phase transitions of ionic solutions were a challenging subject in Statistical Physics and provoking experimental works.The fundamental aspect of this research is founded in the long-range nature of the Coulomb interactions, which were expected to challenge the univ [....] » Read More
Title : Simplifying Quantum Photonic Systems
Andre Vatarescu, Fibre-Optic Transmission of Canberra, Australia
Controllable, quantum-strong correlations of polarization states can be implemented with multi-photon independent states. Polarization-based photonic quantum correlations can be traced back to the overlap of the polarization Stokes vectors on the Poincaré sphere between tw [....] » Read More
Title : Three-Dimensional Non-Paraxial Scalar Beam Propagation
Pratiksha Choudhary, Indian Institute of Technology Delhi, India
In a beam propagation method, the wave equation is solved with respect to z, which is the general direction of propagation- i.e., the length of time it takes for a beam to travel from one place to another. Various assumptions can be made based on the device's complexity. Maxw [....] » Read More
Title : Surface Electromagnetic Waves: Past, Present, Future
Vladimir Datsko, Institute of Applied Geophysics, Russian Federation
Surface electromagnetic waves (SEW) have been known for 200 years. Currently, they are widely used in optical and investigated at THz frequencies in the area which form the basis of the current status and future development of nanotechnologies (plasmonics). The history of the res [....] » Read More