Photoalignment and photopatterning has been deproposed 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 [....]
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Nanotechnology has already revolutionized numerous applications from alternative energy to electronics to medicine. Unfortunately, many of these nanomaterials are made through the use of toxic catalysts or material fabrication processes which leave a large carbon footprint. This [....]
» Read More
Ales Mishchenko, A.A. Galkin Donetsk Institute for Physics and Engineering, Ukraine
The advent of optoelectronic devices utilizing various recent advances in photonics such as the harvesting of light by nanophotonic waveguides or quantum information processing has elevated the importance of the correct theoretical understanding of nanocrystalline photonic struct [....]
» Read More
Studies on the electromagnetic plasma have demonstrated the existence of derived products from electromagnetic plasma as are phonons, fermions, ions, free electrons and protons, magnetic and electric drifts, producing an ionic force that could be used as propulsion force. Experim [....]
» Read More
Byeong Hoon Park, Pohang University of Science & Technology, Korea, Republic of
Non-invasive infrared diagnoses employing 3-dimensional (3D) angle-resolved light cones (ALCs) from 3D photonic quantum ring (PQR) are explained for angle-resolved coherent tomographic infrared spectroscopy (ACTIRS).
Audience Take Away Notes:
The detailed 3D an [....]
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Tactile sensors capable of quantifying mechanical stimuli through physical contact play a pivotal role in healthcare, prosthetics and humanoid robotics. To enable conformal contact with objects of different surface morphologies, tactile sensors with high mechanical flexibility ha [....]
» Read More
Wei Liu, Northwestern Polytechnical University, China
The influence of thickness of the first AlGaN barrier layer, which is closest to the n-type GaN layer, on the luminescence characteristics of ultraviolet GaN/AlGaN multiple-quantum-well (MQW) light-emitting diodes (LEDs) is investigated numerically. Generally, for the study on th [....]
» Read More
Artificial microstructures with periodic modulation of second-order nonlinear susceptibility χ(2), also known as nonlinear photonic crystals (NPCs), can compensate phase mismatch in nonlinear optical frequency conversion process by providing additional reciprocal lattice vect [....]
» Read More
Purpose: To evaluate repeatability and agreement of measurements of total corneal astigmatism (TCA) in keratoconic (KC) eyes, obtained by two swept-source (SS) optical coherence tomography (OCT)-based devices (Anterion and Casia SS-1000), one SS-OCT combined with reflectometry (I [....]
» Read More
Would one insert squarer + lowpass filter into the linear signal path when measuring the electrical noise figure (NF) Fe? Of course not. In line with this, one should no longer insert a direct detection photodiode into the linear signal path when measuring the optical NF. Bu [....]
» Read More
The Lorentz transformation (LT) makes three predictions which are not consistent with one another: Lorentz-FitzGerald length contraction (FLC), time dilation (TD) and light-speed equality for observers in relative motion to one another. The LT also stands in violation of the Law [....]
» Read More
Nikolai Kosarev, Siberian Federal University, Russian Federation
The collisional-radiative model of two-step photoionization of barium atoms through the excited level using the pumping laser at nm and the ionizing laser at nm was constructed. The model of rate balance equations of multilevel barium atoms took into account t [....]
» Read More
Almas Sadreev, L.V. Kirensky Institute of Physics, Russian Federation
We perform optimization of Q-factor in the system of freestanding three/four/five/six coaxial subwavelength dielectric disks over all scales. Each parameter contributes almost one order of magnitude of the Q-factor due to multiple avoided crossings of resonances to give totally t [....]
» Read More
Using forward kinematics of an industrial robot, it is possible to calculate its position and orientation using joint angle readings. However, forward kinematics of industrial robots include uncertainties. One of the major sources of uncertainties in the industrial robot forward [....]
» Read More
The CIPM has, since 1980, defined the metre by the light time of flight giving units for space of time in seconds. So, we must ask ourselves, what are the units of time itself if space is to be defined in units of time, because space and time are definitely not the same thing? Th [....]
» Read More
248 nm KrF excimer laser can be used to manufacture temperature and pH (stimuli) responsive polymer-based membranes for controlled transport applications. This is done by a two-step approach: In the first step, well-defined/(shaped) and orderly pores are created on commercially a [....]
» Read More
Non-classicality refers to a property of quantum states which has no classical analogue. Quantum squeezing is one of the examples of a non-classical state which has a wide range of applicability. Light is said to be in a squeezed state if it has a quantum uncertainty of certain p [....]
» Read More
Interest in Quantum Dot Lasers stem mainly from the low threshold current which can result due to quantization of energy levels and change in density of state function. In the most commonly used laser separate confinement heterostructures, the nanoscale active region is “bu [....]
» Read More
Image processing methods and its applications are deeply rooted in current and future technologies. These methods make it possible to carry out a various operation to obtain detailed information from an image. Recently increased demand for the use of image processing algorithms t [....]
» Read More
The reason to turn once again to the question of the natural width ?γ of the photon or γ-radiation line is provided by the discovery of an increase in the half-life T1/2 for nuclear isomers in a metal matrix (see ref. [1, 2] and references therein). For nuclei in such [....]
» Read More
Integration of high-speed light devices, as well as technological advances, are critical factors influencing the development of integrated photonic circuits for optical communication networks. Every day, the increasing demand for wider bandwidth needs signal processing systems at [....]
» Read More
Tissue stiffness is recognized as an important predictor of tissue homeostasis and the onset of disease. As tissues age, they become stiffer and lose their flexibility leading to diseases such as osteoarthritis and peripheral vascular diseases. Some workers believe that increased [....]
» Read More
This research paper explores the design, characterization, and testing of a UV-C LED-based lamp for water disinfection. UV-C radiation is an alternative disinfection method that has advantages over chemical disinfectants, including its effectiveness against bacteria, viruses, and [....]
» Read More
The work relates to the basics of quantum physics and photonics, in particular to the formation of photons in two states: elementary particles and their electromagnetic radiation. The study of these problems is an urgent and important task that has not been fully resolved for the [....]
» Read More
We study the dynamics of Wigner function negativity, quantum discord, entanglement and quantum dissonance for bipartite Bell-diagonal states independently interacting with dephasing reservoirs. We analyze comparatively their behavior under the decoherence effect. Our main goal is [....]
» Read More
I will study the link between the quantum mechanics and relativity and I transform this study to another level so I will demonstrate the solution of the Schrödinger equation from the link between quantum mechanics and relativity so in this case I will put a system of solutio [....]
» Read More
Sara Ezairi, Hassan II University of Casablanca, Morocco
The effect of gallium doping on the structural and optical properties of the La0.7K0.3Mn(1-x)GaxO3 (0≤x≤0.25) ceramics has been synthesized by pechini sol-gel method. The Rietveld refinements data revealed that all the samples have a rhombohedral structure with the space gr [....]
» Read More
Title : Photoalignment and photopatterning technology for liquid crystal devices
Vladimir G Chigrinov, Hong Kong University of Science and Technology, Hong Kong
Photoalignment and photopatterning has been deproposed 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 [....] » Read More
Title : Laser fabricated green nanoparticles: The future of medicine
Thomas J Webster, Interstellar Therapeutics, United States
Nanotechnology has already revolutionized numerous applications from alternative energy to electronics to medicine. Unfortunately, many of these nanomaterials are made through the use of toxic catalysts or material fabrication processes which leave a large carbon footprint. This [....] » Read More
Title : Polaritonic excitations in non-ideal lattices of coupled microcavities containing quantum dots
Ales Mishchenko, A.A. Galkin Donetsk Institute for Physics and Engineering, Ukraine
The advent of optoelectronic devices utilizing various recent advances in photonics such as the harvesting of light by nanophotonic waveguides or quantum information processing has elevated the importance of the correct theoretical understanding of nanocrystalline photonic struct [....] » Read More
Title : Fermion derived products from an electromagnetic plasma reactor
Francisco Bulnes, IINAMEI, Mexico
Studies on the electromagnetic plasma have demonstrated the existence of derived products from electromagnetic plasma as are phonons, fermions, ions, free electrons and protons, magnetic and electric drifts, producing an ionic force that could be used as propulsion force. Experim [....] » Read More
Title : Non-invasive infrared diagnoses, via angle-coherent tomographic infrared spectroscopy, realized via 3D photonic quantum ring laser
Byeong Hoon Park, Pohang University of Science & Technology, Korea, Republic of
Non-invasive infrared diagnoses employing 3-dimensional (3D) angle-resolved light cones (ALCs) from 3D photonic quantum ring (PQR) are explained for angle-resolved coherent tomographic infrared spectroscopy (ACTIRS). Audience Take Away Notes: The detailed 3D an [....] » Read More
Title : Nanocomposite optical tactile sensor for health care and human-machine interface
Jingjing Guo, Beihang University, China
Tactile sensors capable of quantifying mechanical stimuli through physical contact play a pivotal role in healthcare, prosthetics and humanoid robotics. To enable conformal contact with objects of different surface morphologies, tactile sensors with high mechanical flexibility ha [....] » Read More
Title : Investigation on GaN/AlGaN ultraviolet light-emitting diodes with different thickness of first AlGaN barrier layer
Wei Liu, Northwestern Polytechnical University, China
The influence of thickness of the first AlGaN barrier layer, which is closest to the n-type GaN layer, on the luminescence characteristics of ultraviolet GaN/AlGaN multiple-quantum-well (MQW) light-emitting diodes (LEDs) is investigated numerically. Generally, for the study on th [....] » Read More
Title : Laser direct writing of nonlinear photonic crystals and their applications in nonlinear frequency conversion
Xin Chen, Xidian University, China
Artificial microstructures with periodic modulation of second-order nonlinear susceptibility χ(2), also known as nonlinear photonic crystals (NPCs), can compensate phase mismatch in nonlinear optical frequency conversion process by providing additional reciprocal lattice vect [....] » Read More
Title : Repeatability and agreement of total corneal astigmatism measured in keratoconic eyes using four current devices
Yue Feng, University in Tromso, Norway
Purpose: To evaluate repeatability and agreement of measurements of total corneal astigmatism (TCA) in keratoconic (KC) eyes, obtained by two swept-source (SS) optical coherence tomography (OCT)-based devices (Anterion and Casia SS-1000), one SS-OCT combined with reflectometry (I [....] » Read More
Title : Correct optical and Universal noise figures
Reinhold Noe, Paderborn University, Germany
Would one insert squarer + lowpass filter into the linear signal path when measuring the electrical noise figure (NF) Fe? Of course not. In line with this, one should no longer insert a direct detection photodiode into the linear signal path when measuring the optical NF. Bu [....] » Read More
Title : The failure of both Einstein's space-time theory and his equivalence principle and their resolution by the uniform scaling method
Robert Buenker, University of Wuppertal, United States
The Lorentz transformation (LT) makes three predictions which are not consistent with one another: Lorentz-FitzGerald length contraction (FLC), time dilation (TD) and light-speed equality for observers in relative motion to one another. The LT also stands in violation of the Law [....] » Read More
Title : Efficiency of two-step photoionization of barium atoms through excited 3^P_1 level
Nikolai Kosarev, Siberian Federal University, Russian Federation
The collisional-radiative model of two-step photoionization of barium atoms through the excited level using the pumping laser at nm and the ionizing laser at nm was constructed. The model of rate balance equations of multilevel barium atoms took into account t [....] » Read More
Title : Multi scale optimization of several coaxial disks targeted on maximal Q-factor
Almas Sadreev, L.V. Kirensky Institute of Physics, Russian Federation
We perform optimization of Q-factor in the system of freestanding three/four/five/six coaxial subwavelength dielectric disks over all scales. Each parameter contributes almost one order of magnitude of the Q-factor due to multiple avoided crossings of resonances to give totally t [....] » Read More
Title : Optical metrology devices for industrial robot calibration using intelligent optimization approaches
Mojtaba Ahmadieh Khanesar, University of Nottingham, United Kingdom
Using forward kinematics of an industrial robot, it is possible to calculate its position and orientation using joint angle readings. However, forward kinematics of industrial robots include uncertainties. One of the major sources of uncertainties in the industrial robot forward [....] » Read More
Title : Quantum-Time; The arithmetic of the clocks
Ben Campbell Biezanek, Distinguished Researcher, United Kingdom
The CIPM has, since 1980, defined the metre by the light time of flight giving units for space of time in seconds. So, we must ask ourselves, what are the units of time itself if space is to be defined in units of time, because space and time are definitely not the same thing? Th [....] » Read More
Title : Using excimer laser to manufacture stimulative and stimuli responsive membranes
Erol Sancaktar, University of Akron, United States
248 nm KrF excimer laser can be used to manufacture temperature and pH (stimuli) responsive polymer-based membranes for controlled transport applications. This is done by a two-step approach: In the first step, well-defined/(shaped) and orderly pores are created on commercially a [....] » Read More
Title : Two-mode squeezed states in four wave mixing process
Moumita Das, Malda College, India
Non-classicality refers to a property of quantum states which has no classical analogue. Quantum squeezing is one of the examples of a non-classical state which has a wide range of applicability. Light is said to be in a squeezed state if it has a quantum uncertainty of certain p [....] » Read More
Title : Estimation of power output and conversion efficiency for quantum dot lasers
Meera Ramrakhiami, Rani Durgavati University, India
Interest in Quantum Dot Lasers stem mainly from the low threshold current which can result due to quantization of energy levels and change in density of state function. In the most commonly used laser separate confinement heterostructures, the nanoscale active region is “bu [....] » Read More
Title : Implementation and comprehension of hardware based on field programmable gate arrays for real time Image processing
Apurva Kumari Singh, B V Raju Institute of technology, India
Image processing methods and its applications are deeply rooted in current and future technologies. These methods make it possible to carry out a various operation to obtain detailed information from an image. Recently increased demand for the use of image processing algorithms t [....] » Read More
Title : On the width of gamma line and the photon structure
Vladimir Koltsov, Khlopin Radium Institute, Russian Federation
The reason to turn once again to the question of the natural width ?γ of the photon or γ-radiation line is provided by the discovery of an increase in the half-life T1/2 for nuclear isomers in a metal matrix (see ref. [1, 2] and references therein). For nuclei in such [....] » Read More
Title : Photonic devices for photonic integrated circuits
Mayur Kumar Chhipa, ISBAT University, Uganda
Integration of high-speed light devices, as well as technological advances, are critical factors influencing the development of integrated photonic circuits for optical communication networks. Every day, the increasing demand for wider bandwidth needs signal processing systems at [....] » Read More
Title : Photonics and vibrational analysis together make a new tool to noninvasively study the mechanical properties of soft tissues
Frederick H Silver, Rutgers, United States
Tissue stiffness is recognized as an important predictor of tissue homeostasis and the onset of disease. As tissues age, they become stiffer and lose their flexibility leading to diseases such as osteoarthritis and peripheral vascular diseases. Some workers believe that increased [....] » Read More
Title : UV-LED Characterization and design strategies for water treatment
Carlos A Hernandez Gutierrez, Ecnologico Nacional de Mexico Campus Tuxtla, Mexico
This research paper explores the design, characterization, and testing of a UV-C LED-based lamp for water disinfection. UV-C radiation is an alternative disinfection method that has advantages over chemical disinfectants, including its effectiveness against bacteria, viruses, and [....] » Read More
Title : On the possibility of experimental determination of the mass of photons
Valentyn Nastasenko, Kherson State Maritime Academy, Ukraine
The work relates to the basics of quantum physics and photonics, in particular to the formation of photons in two states: elementary particles and their electromagnetic radiation. The study of these problems is an urgent and important task that has not been fully resolved for the [....] » Read More
Title : The quantification of quantum dissonance in an open bipartite system
Fatima Zahra Siyouri, Mohamed V university, Morocco
We study the dynamics of Wigner function negativity, quantum discord, entanglement and quantum dissonance for bipartite Bell-diagonal states independently interacting with dephasing reservoirs. We analyze comparatively their behavior under the decoherence effect. Our main goal is [....] » Read More
Title : The solution of the Schrodinger equation from the link between quantum mechanics and relativity
Mohamed Daris, Self researcher, Morocco
I will study the link between the quantum mechanics and relativity and I transform this study to another level so I will demonstrate the solution of the Schrödinger equation from the link between quantum mechanics and relativity so in this case I will put a system of solutio [....] » Read More
Title : Optical properties of Trivalent doped perovskite R1-xAxMnO3
Sara Ezairi, Hassan II University of Casablanca, Morocco
The effect of gallium doping on the structural and optical properties of the La0.7K0.3Mn(1-x)GaxO3 (0≤x≤0.25) ceramics has been synthesized by pechini sol-gel method. The Rietveld refinements data revealed that all the samples have a rhombohedral structure with the space gr [....] » Read More