Index Catalog // ScholarsArchive@OSU

The fabrication of fiber Bragg gratings

Creator:: Stump, Kurt
Abstract:: Fiber Bragg gratings have become an important element in the fields of telecommunications and fiber optical sensing. Their small size, light weight and high tunability have made them ideal for many unique applications. In this paper the fabrication of these devices is investigated. Following a review of current literature and...
Resource Type:: Masters Thesis
Full Text:: : The Fabrication of Fiber Bragg Gratings. Abstract approved: --- ------- Thomas K. Plant Fiber

Simulating Fluids: Testing a New Grand Canonical Histogram Method on the Square-Well Fluid

Creator:: Vande Griend, Jacob W.
Abstract:: Monte Carlo methods are used to explore vapor-liquid phase transitions. However, current models are computationally expensive when identifying these phase transitions. Traditionally, Monte Carlo simulations are run across a range of temperatures at a fixed number of atoms/molecules. The Number Monte Carlo method (NMC), our proposed Monte Carlo method, runs...
Resource Type:: Undergraduate Thesis
Full Text:: NMC shows promise to be a computationally inexpensive way to swiftly detect single-phase tran

Triple angular correlations of gamma rays in ¹¹⁰Cd

Creator:: Schulz, Norbert S.
Abstract:: An experiment has been conducted using a triple directional correlation method developed by K. S. Krane, R. M. Steffen and R. M. Wheeler (ref. 3). This method is presented and two normal detection geometries are introduced. The performance of the N1- and N2- geometry was studied in four experiments using...
Resource Type:: Masters Thesis
Full Text:: by K. S. Krane, R. M. Steffen and R. M. Wheeler (ref. 3). This method is presented and two normal

Photostability of organic semiconductors : from bulk to nanoscales

Creator:: Quist, Nicole Arianne
Abstract:: Organic semiconductors have attracted considerable attention due to their applications in low-cost, solution-processable (opto)electronic devices. An important class of high-performance organic semiconductors is pentacene derivatives, which exhibit high charger carrier mobilities in field-effect transistors and ultrafast singlet fission in photovoltaic devices. These derivatives have served as benchmark materials for systematic...
Resource Type:: Dissertation
Full Text:: threshold, which in this case is between 350-370 K. The last parameter tested was concentration of Pn in

Exciton and Polariton Nature in Organic Crystals

Creator:: Van Schenck, Jonathan D. B.
Abstract:: Understanding the impact of inter-molecular orientation on the optical proper-ties of organic semiconductors is important for designing next-generation organic (opto)electronic and photonic devices. However, fundamental aspects of how various features of molecular packing in crystalline systems determine the nature and dynamics of excitons have been a subject of debate. Toward...
Resource Type:: Dissertation
Full Text:: temperature. These delocalized Frenkel states were dominant across the full temperature range (78 K to 293 K

An investigation of the Bragg-Gray principle with fluorescent X-rays

Creator:: Larson, Harold Vincent
Resource Type:: Masters Thesis
Full Text:: elect'l"'n in wall of atooti..c number Z in cm2 f- • fluorescent yield tor the K level. ~ =btM:In

Electronic and Optical Properties of Defects in Amorphous Oxide and Transition Metal Dichalcogenide Semiconductors

Creator:: Vogt, Kyle
Abstract:: The optical and electronic properties of amorphous oxide thin films depend crucially on chemical composition, and deposition process variations which give rise to sub-gap defect states. Consequently, there is a need for a reliable, high-throughput method to extract sub-gap defect densities of states in amorphous oxide thin films. We present...
Resource Type:: Dissertation
Full Text:: ....................................................................................................... 158 Figure 9.6: Allowed k-Space for a CNT

Freezing of a Weeks-Chandler-Anderson Fluid using Classical Density Functional Theory

Creator:: Finster, Kirstie L.
Abstract:: We use Classical Density Functional Theory (cDFT) to predict the freezing of a Weeks-Chandler-Anderson (WCA) fluid, and construct pressure-temperature and temperature-density phase diagrams. A WCA fluid consists of soft spheres that exhibit the repulsive portion of the Lennard-Jones potential widely used to model the interaction of two neutral atoms. Our...
Resource Type:: Masters Thesis

Generation of arbitrary terahertz wave forms in fanned-out periodically poled lithium niobate

Creator:: Danielson, J. R., Amer, N., and Lee, Yun-Shik
Abstract:: The authors demonstrate a flexible terahertz pulse-shaping technique, manipulating spatially dispersed multifrequency components generated by optical rectification in a fanned-out periodically poled lithium niobate crystal. Spatial masks of low pass, high pass, and double slit in front of the crystal manipulate the spatial pattern of the optical excitation beam on...
Resource Type:: Article
Full Text:: pulses of Cherenkov radiation were generated by the tran- sient polarization grating induced by two

Scaling of thin-film Nd₁.₈₅Ce₀.₁₅CuO[subscript 4-y] resistivity-current isotherms at low fields: Implications for vortex phase transitions and universality

Creator:: Roberts, J. M., Brown, Brandon, Tate, Janet, Xi, X. X., and Mao, S. N.
Abstract:: We have investigated a second-order phase transition of the vortex lattice in thin-film Nd₁.₈₅Ce₀.₁₅CuO[subscript 4-y] from 1 mT to 1 T applied magnetic fields. The dc resistivity-current density data for each field exhibit critical scaling consistent with a second-order vortex-liquid to vortex-solid phase transition. The high-field data support the vortex-glass...
Resource Type:: Article
Full Text:: to vortex-solid phase tran- sition. The high-field data support the vortex-glass model and have the

ScholarsArchive@OSU

The fabrication of fiber Bragg gratings

Simulating Fluids: Testing a New Grand Canonical Histogram Method on the Square-Well Fluid

Triple angular correlations of gamma rays in ¹¹⁰Cd

Photostability of organic semiconductors : from bulk to nanoscales

Exciton and Polariton Nature in Organic Crystals

An investigation of the Bragg-Gray principle with fluorescent X-rays

Electronic and Optical Properties of Defects in Amorphous Oxide and Transition Metal Dichalcogenide Semiconductors

Freezing of a Weeks-Chandler-Anderson Fluid using Classical Density Functional Theory

Generation of arbitrary terahertz wave forms in fanned-out periodically poled lithium niobate

Scaling of thin-film Nd₁.₈₅Ce₀.₁₅CuO[subscript 4-y] resistivity-current isotherms at low fields: Implications for vortex phase transitions and universality

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