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Full-Text Articles in Engineering
Spontaneous Synchrony On Graphs And The Emergence Of Order From Disorder, Dylan Linville, Daniel Trugillo Martins Fontes
Spontaneous Synchrony On Graphs And The Emergence Of Order From Disorder, Dylan Linville, Daniel Trugillo Martins Fontes
Rose-Hulman Undergraduate Research Publications
From pulsars to pedestrians and bacteria to brain cells, objects that exhibit cyclical behavior, called oscillators, are found in a variety of different settings. When oscillators adjust their behavior in response to nearby oscillators, they often achieve a state of synchrony, in which they all have the same phase and frequency. Here, we explore the Kuramoto model, a simple and general model which describes oscillators as dynamical systems on a graph and has been used to study synchronization in systems ranging from firefly swarms to the power grid. We discuss analytical and numerical methods used to investigate the governing system …
Common Mode Filtering With Metamaterial-Inspired Structures, Sang G. Kang
Common Mode Filtering With Metamaterial-Inspired Structures, Sang G. Kang
Rose-Hulman Undergraduate Research Publications
High-speed digital communication links typically employ differential signaling as an alternative to single ended signaling. The design challenge using these differential lines are that perfect symmetry in the signals sent and in the physical communication line must be maintained to prevent some of the differential mode signal’s energy to be converted to a common-mode signal. The main objective of a common-mode filter is to filter out this common-mode noise while leaving the differential signal intact. Our strategy in this project was to look into past work on common Electric Field Magnetic Field Common Mode Signal Differential Mode Signal Magnetic Field …
Spectrally-Resolved Imaging Of The Transverse Modes In Multimode Vcsels, Stephan A. Misak, Dan G. Dugmore, Kirsten A. Middleton, Evan R. Hale, Kelly R. Farner, Kent D. Choquette, Paul O. Leisher
Spectrally-Resolved Imaging Of The Transverse Modes In Multimode Vcsels, Stephan A. Misak, Dan G. Dugmore, Kirsten A. Middleton, Evan R. Hale, Kelly R. Farner, Kent D. Choquette, Paul O. Leisher
Rose-Hulman Undergraduate Research Publications
Vertical-cavity surface-emitting lasers (VCSELs) enable a range of applications such as data transmission, trace sensing, atomic clocks, and optical mice. For many of these applications, the output power and beam quality are both critical (i.e. high output power with good beam quality is desired). Multi-mode VCSELs offer much higher power than single-mode devices, but this comes at the expense of lower beam quality. Directly observing the resolved mode structure of multi-mode VCSELs would enable engineers to better understand the underlying physics and help them to develop multi-mode devices with improved beam quality. In this work, a low-cost, high-resolution (<3 >pm) …
Constructed Treatment Wetland In Rose-Hulman Greenhouse, Ila Creekbaum
Constructed Treatment Wetland In Rose-Hulman Greenhouse, Ila Creekbaum
Rose-Hulman Undergraduate Research Publications
As more impervious materials and buildings takeover natural environments, creeks and rivers become more polluted. When it rains the water collects pollutants because the water flows over parking lots, buildings, and agricultural land. The water can collect oil, nitrogen, phosphorus, and small particles. These pollutants decrease the water quality in surrounding water bodies. Natural wetlands are excellent at removing pollutants from the water that flows through the filter media and are relatively inexpensive. Our objective this summer was to replicate the biological processes by constructing a treatment wetland in the greenhouse on the Rose-Hulman campus. Then we would test the …