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Articles 1 - 13 of 13
Full-Text Articles in Physical Sciences and Mathematics
Developing A Parametric Downconversion Apparatus For Single-Photon Experiments In Quantum Optics, Stephen Dilorio
Developing A Parametric Downconversion Apparatus For Single-Photon Experiments In Quantum Optics, Stephen Dilorio
Honors Theses
We report our progress toward developing a parametric down conversion apparatus for studying single photon quantum optics in undergraduate laboratory classes, following the model of Galvez et al. [1]. We pump a beta barium borate (BBO) crystal with a 405 nm diode laser to produce correlated pairs of single photons that we detect using avalanche photodiodes (APD). We can conduct coincidence and anticoincidence counts and a measurement of the degree of second-order coherence with the apparatus, and we report a g(2) < 1. We also discuss the headway towards developing a single-photon interferometer.
Kinetic Modeling Of Catalytic Aerogels, Yi Cao
Kinetic Modeling Of Catalytic Aerogels, Yi Cao
Honors Theses
As pollution becomes an increasing concern globally, strict regulations have been set on vehicle pollutant emissions. The three-way catalytic converter is capable of converting toxic emissions such as carbon monoxide, unburned hydrocarbons and nitrogen oxides to less hazardous waste such as carbon dioxide, water, and nitrogen. Current catalysts employ platinum group metals, which are expensive and environmentally damaging to mine. Catalytically-active aerogels such as Co-Al, Cu-Al and V-Al aerogels have shown promise as alternatives to these metals. The work presented here adapts and extends a global kinetic model which predicts the conversion of hydrocarbons and carbon monoxide on platinum catalyst …
What It Is To Be Conscious: Exploring The Plasibility Of Consciousness In Deep Learning Computers, Peter Davis
What It Is To Be Conscious: Exploring The Plasibility Of Consciousness In Deep Learning Computers, Peter Davis
Honors Theses
As artificial intelligence and robotics progress further and faster every day, designing and building a conscious computer appears to be on the horizon. Recent technological advances have allowed engineers and computer scientists to create robots and computer programs that were previously impossible. The development of these highly sophisticated robots and AI programs has thus prompted the age-old question: can a computer be conscious? The answer relies on addressing two key sub-problems. The first is the nature of consciousness: what constitutes a system as conscious, or what properties does consciousness have? Secondly, does the physical make-up of the robot or computer …
Classifying System Call Traces Using Anomalous Detection, William Doyle
Classifying System Call Traces Using Anomalous Detection, William Doyle
Honors Theses
We used data mining techniques to detect intrusions among system call traces and have outlined our results. Recent work at the intersection of security and machine learning has lead to better understanding of anomalous intrusion detection. There is a need to more thoroughly understand how anomaly detection can be used because of its potential applications and advantages over current standard methods. In this thesis, we report on a new approach of anomalous detection using system call traces. Our goal is to be able to create a system that can accurately detect hacking attacks by analyzing the sequences of system calls …
Optimizations For Rendering Realistic Lens Flares In Polynomial Optics, Stephen Dilorio
Optimizations For Rendering Realistic Lens Flares In Polynomial Optics, Stephen Dilorio
Honors Theses
Lens flare is a common optical phenomenon exhibited by lens systems, like those used for professional photography or film. As light travels from the front of a lens system towards the sensor at the back, it can either refract through or reflect off of the surfaces of the lenses. A lens flare is the result of (typically) unwanted reflections and scattering caused by imperfections in the lenses. This reflected or scattered light then travels to the sensor following unexpected paths. While considered by some to be degrading artifacts, lens flares have grown to become an essential ingredient for realistic imagery …
Electrical Characterization Of Nanomaterials, Chase Martin
Electrical Characterization Of Nanomaterials, Chase Martin
Honors Theses
Our dependence on energy sources and depleting fossil fuel reserves are forcing the world to look for efficient and renewable sources of energy. Current renewable technology lacks the efficiency and storage capability necessary to continue our heavy reliance on energy. This project focuses on understanding the physical and electrical properties of nanomaterials for their use as super capacitors and as photovoltaic cells. Using multiple microscopy techniques on the Cascade Probe Station and Veeco Dimension V Atomic Force Microscope, local and bulk conductivity measurements were performed on Laponite RD infused polyaniline (PANI) samples synthesized by Union College Chemistry Department Students. Four …
Partial Differential Equations, Nathaniel James Onnen
Partial Differential Equations, Nathaniel James Onnen
Honors Theses
This paper will discuss methods for solving many different partial differential equations, as well as real world applications in physics. We are interested in finding solutions to the wave and heat equations in one dimension, the wave equation in two dimensions, as well as a solution to Schrodinger’s equation. In order to do this, we will study different methods including Fourier series, Bessel functions, and Hermite polynomials. I will use these methods to derive solutions for the mentioned problems, as well as to produce visualizations for many of them.
Controlling Carbon: A Study Of National And Regional Emissions Trading Systems, Jordan Pulling
Controlling Carbon: A Study Of National And Regional Emissions Trading Systems, Jordan Pulling
Honors Theses
The release of carbon and other chemicals into the atmosphere is a growing environmental problem. The use of carbon-based processes is at an all-time high with the continued growth in carbon-fueled transportation, electric power generation and other carbon-intensive industrial processes. With climate change increasingly threatening the daily lives of Earth's population, many countries are beginning to take steps to reduce their impact on the Earth and its climate. Over the last decade, carbon markets have been established in 18 countries worldwide. While all of these emissions trading systems have similarities, each also has some unique traits, including differences in allowance …
The Sylow Theorems And Classification Of Small Finite Order Groups, William Stearns
The Sylow Theorems And Classification Of Small Finite Order Groups, William Stearns
Honors Theses
This thesis will provide an overview of various topics in group theory, all in order to accomplish the end goal of classifying all groups of order up to 15. An important precursor to classifying finite order groups, the Sylow Theorems illustrate what subgroups of a given group must exist, and constitute the first half of this thesis. Using these theorems in the latter sections we will classify all the possible groups of various orders up to isomorphism. In concluding this thesis, all possible distinct groups of orders up to 15 will be defined and the groundwork set for further study.
Remote Water Metering In Venecia, Nicaragua, Jeffrey Wettstein
Remote Water Metering In Venecia, Nicaragua, Jeffrey Wettstein
Honors Theses
The senior Capstone Design Project is the culmination of over three years of undergraduate work in electrical engineering, and other related fields. The project allows students to demonstrate their knowledge on a tangible design. Starting from a blank slate, the Capstone process asks students to carefully move through every stage of design in order to create the most effect output. Water shortage is a major problem for the entire world including the United States, but particularly in developing countries like Nicaragua. The community of Venecia, Nicaragua has a unique water problem. Community members leave taps running in fear that if …
Sem-Edx Analysis Of Aerosol Samples, Xuanhan Zhao
Sem-Edx Analysis Of Aerosol Samples, Xuanhan Zhao
Honors Theses
One of the important environmental issues in upstate New York is the acid rain problem in the Adirondack Mountains, which is associated with atmospheric aerosols. As a part of a systematic study to understand the transport, transformation, and effects of airborne pollutants in the Adirondack Mountains, we are performing an analysis of atmospheric aerosols collected at Piseco Lake. In previous work, we used proton induced X-ray emission (PIXE) [1] spectrometry to measure the concentrations of elements in aerosol samples as a function of the size of the particulate matter. The results of the PIXE analysis indicate significant concentrations of sulfur …
Analysis Of The Peerrank Method For Peer Grading, Joshua Kline
Analysis Of The Peerrank Method For Peer Grading, Joshua Kline
Honors Theses
Peer grading can have many benefits in education, including a reduction in the time instructors spend grading and an opportunity for students to learn through their analysis of others work. However, when not handled properly, peer grading can be unreliable and may result in grades that are vastly different from those which a student truly deserves. Therefore, any peer grading system used in a classroom must consider the potential for graders to generate inaccurate grades. One such system is the PeerRank rule proposed by Toby Walsh, which uses an iterative, linear algebra based process reminiscent of the Google PageRank algorithm …
Annealing 2-Decanol In Nano-Confined Systems: Effects Of Annealing Time, Caleb Novins
Annealing 2-Decanol In Nano-Confined Systems: Effects Of Annealing Time, Caleb Novins
Honors Theses
We studied melting and freezing of 2-decanol nano-crystals (100 Angstrom to 1000 Angstrom) using a Differential Scanning Calorimeter (DSC). In agreement with the Gibbs-Thompson equation, the melting temperature of nano crystals decreases with physical size and its change scales linearly with the inverse of physical size. The apparent heat of fusion of the nano scaled systems, however, has been found to be lower than the heat of fusion for the bulk. Although this is in agreement with previous experimental observations, it is in contradiction with the assumptions used to develop the Gibbs-Thompson equation. We believe that the apparent heat of …