Index Catalog // ScholarsArchive@OSU

Terahertz Imaging and Nonlinear Spectroscopy of Semiconductors using Plasmonic Devices

Creator:: Thompson, Zachary James
Abstract:: In this dissertation, a series of studies in the field of terahertz (THz) science are presented, specifically using nonlinear THz spectroscopy. We exploit huge field enhancement and subwavelength confinement in plasmonic structures. There are three distinct projects which will be discussed: nonlinear THz spectroscopy using plasmonic induced transparency (PIT), THz-triggered...
Resource Type:: Dissertation
Full Text:: Terahertz Imaging and Nonlinear Spectroscopy of

Second harmonic generation in polyacetylene

Creator:: Kircher, Jens
Abstract:: This study investigates nonlinear optical properties of matter. Nonlinear optical effects have found a wide field of applications such as the extension of the operation range of lasers to higher frequencies, material probes and optical image processing. A brief introduction to the most common nonlinear optical phenomena is given and...
Resource Type:: Masters Thesis
Full Text:: Wave Mixing in other than spectroscopy are similar to those of other nonlinear optical effects and

Investigating Low-Frequency Vibrations in Condensed Matter Using Time-Resolved Third-Harmonic Generation Spectroscopy

Creator:: Wang, Liang
Abstract:: In this thesis, I present a new method we developed to study low frequency (< 700 cm⁻¹) vibrational dynamics: Time-resolved third-harmonic generation (TRTHG) spectroscopy. Among a variety of vibrational spectroscopy techniques, TRTHG differentiates itself with robustness, versatility, and simplicity. In TRTHG experiment, that involves only two ultrashort laser pulses, the...
Resource Type:: Masters Thesis
Full Text:: Peptides Measured by Femtosecond Nonlinear-Infrared Spectroscopy. The Journal of Physical Chemistry B

Terahertz transmission & spectroscopy of vertically grown multi-walled carbon nanotube forests

Creator:: Maizy, Louis
Abstract:: In this thesis, I present studies in the field of terahertz [THz] spectroscopy. It covers both the generation and detection of ultra-fast broadband THz pulses, as well as the transmission properties of vertically grown multi-walled carbon nanotube forests [MWCNTs]. We have found that these vertically grown MWCNTs respond strongly to...
Resource Type:: Masters Thesis
Full Text:: Terahertz Transmission & Spectroscopy of Vertically Grown

A contribution to the development of wide band-gap nonlinear optical and laser materials

Creator:: Stone-Sundberg, Jennifer L.
Abstract:: The primary focus of this work is on examining structure-property relationships of interest for high-power nonlinear optical and laser crystals. An intuitive and simply illustrated method for assessing the nonlinear optical potential of structurally characterized noncentrosymmetric materials is introduced. This method is applied to materials including common quartz and tourmaline...
Resource Type:: Dissertation
Full Text:: Development of Wide Band-Gap Nonlinear Optical and Laser Materials Abstract approved: Douglas A. Keszler

A new trigonal huntite material and subgroup relationships between crystallographic space groups

Creator:: Hruschka, Michael Archimedes and Hruschka, Michael A.
Abstract:: The use of an adjacency matrix to determine distant (not maximal or minimal) subgroup and supergroup relationships between crystallographic spacegroup types is described. Full lists of space-group types that are supergroups and subgroups for every space-group type were compiled. A list of the space-group types connected to each space-group type...
Resource Type:: Dissertation
Full Text:: borate. Linear and nonlinear optical properties, the structure, and the composition range of this

Electronic spectroscopy of biological relevant species and their complexes with solvent molecules

Creator:: He, Yonggang
Abstract:: In this dissertation, I present electronic spectroscopy of a few biologically relevant species and their complexes with solvent molecules in the gas phase using a variety of techniques, including resonantly enhanced multiphoton ionization (REMPI), laser induced fluorescence (LIF), and zero kinetic energy (ZEKE) photoelectron spectroscopy. My work on several methylated...
Resource Type:: Dissertation
Full Text:: includes linear and nonlinear ultraviolet (IJV) spectroscopy of supersonically cooled gas phase species

Applications of Holographic Optical Tweezers: Multiplexed Fluorescence Spectroscopy and the Micromechanics of Type-I Collagen

Creator:: Cibula, Matthew A.
Abstract:: The development and some applications of holographic optical tweezers (HOT) are presented. Our HOT system uses a spatial light modulator (SLM) to control the location and properties of the optical trap. We have developed a method for optimizing the diffraction efficiency of a SLM that can be applied in situ...
Resource Type:: Dissertation
Full Text:: : Applications of Holographic Optical Tweezers: Multiplexed Fluorescence Spectroscopy and the Micromechanics of

Fourier deep level transient spectroscopy and its application to gold in silicon

Creator:: Divekar, Prasad K.
Abstract:: A primarily software based Fourier Deep Level Transient Spectroscope (FDLTS) is built. The raw capacitance transient is acquired and digitized using capacitance meter HP4280A whereas the signal analysis is done using a customized software module. The software module calculates both the conventional DLTS spectrum and the Fourier DLTS spectrum. This...
Resource Type:: Masters Thesis
Full Text:: : Fourier Deep Level Transient Spectroscopy and Its Application to Gold in Silicon. Abstract approve S

ScholarsArchive@OSU

Terahertz Imaging and Nonlinear Spectroscopy of Semiconductors using Plasmonic Devices

Second harmonic generation in polyacetylene

Investigating Low-Frequency Vibrations in Condensed Matter Using Time-Resolved Third-Harmonic Generation Spectroscopy

Terahertz transmission & spectroscopy of vertically grown multi-walled carbon nanotube forests

A contribution to the development of wide band-gap nonlinear optical and laser materials

A new trigonal huntite material and subgroup relationships between crystallographic space groups

Electronic spectroscopy of biological relevant species and their complexes with solvent molecules

Applications of Holographic Optical Tweezers: Multiplexed Fluorescence Spectroscopy and the Micromechanics of Type-I Collagen

Fourier deep level transient spectroscopy and its application to gold in silicon

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