Index Catalog // ScholarsArchive@OSU

Generation and pulse shaping of multi-cycle terahertz waves through manipulation of femptosecond optical pulses

Creator:: Norton, Bryan J.
Abstract:: We used two temporally separated femtosecond pulses to manipulate the waveforms of multi-cycle THz pulses through optical rectification in periodically-poled lithium mobate (PPLN). The relative phase of the THz pulses was controlled by the relative time delay between the optical pulses. This phase adjustability combined with the frequency tunability of...
Resource Type:: Masters Thesis

Generation and manipulation of THz waves

Creator:: Amer, Naaman
Abstract:: In this thesis I studied several THz components that can be used for potential THz technology. THz waves were generated in nonlinear medium via optical rectification of femtosecond optical pulses. Utilizing the phase matching condition between the optical and THz waves in a ZnTe crystal, single-cycle broad-band THz pulses were...
Resource Type:: Dissertation

The nonlinear optical properties of gallium arsenide pertaining to terahertz generation

Creator:: Hurlbut, Walter C.
Abstract:: Gallium arsenide shows excellent promise for terahertz generation using mid infrared. This is for two reasons. First, the indices of refraction for the terahertz (nTHz=3.61 at 1 THz) and mid infrared (nopt=3.431 at 2 μm) are close allowing a long interaction length. Second, the linear absorption is low at terahertz...
Resource Type:: Dissertation

Generation of narrowband THz pulses and THz studies of ultrafast phenomena in semiconductor quantum wells

Creator:: Danielson, Jeremy R.
Abstract:: This work comprises two main parts: creating and shaping narrowband, pulsed THz radiation in a table-top optical setup; and applying THz pulses to semiconductor nanostructures to study electron dynamics. I developed a scheme to shape the THz output of a fanned-out periodically poled lithium niobate (PPLN) crystal. The pulses are...
Resource Type:: Dissertation

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Creator:: Tomaino, Joseph L.
Abstract:: This thesis will cover work that I have completed relating to the field of terahertz (THz) science. My work has consisted of generating tunable, narrowband THz pulses in a table-top optical setup and using both narrow- and broadband THz pulses to study various material systems. Broadband THz pulses were used...
Resource Type:: Dissertation

Generating and using terahertz radiation to explore carrier dynamics of semiconductor and metal nanostructures

Creator:: Jameson, Andrew D.
Abstract:: In this thesis, I present studies in the field of terahertz (THz) spectroscopy. These studies are divided into three areas: Development of a narrowband THz source, the study of carrier transport in metal thin films, and the exploration of coherent dynamics of quasi-particles in semiconductor nanostructures with both broadband and...
Resource Type:: Dissertation

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

Nonlinear terahertz spectroscopy of carbon nanomaterials and semiconductor nanostructures

Creator:: Paul, Michael Jason
Abstract:: This thesis will cover my work relating to the developing field of terahertz (THz) science and technology. It will present experimental and theoretical studies investigating the optical and electrical properties of various material systems using novel THz imaging and spectroscopy techniques. Due to its low photon energy, THz imaging and...
Resource Type:: Dissertation

Complex index of refraction of multi-walled carbon nanotubesin strong terahertz fields

Creator:: McCuen, Dalton R.
Abstract:: Carbon nanotubes are the subject of intense interest in virtually every field, from medicine to nano-scale electrical components. Multi-walled nanotubes exhibit a strong nonlinear response to high-field strength terahertz radiation. This research uses terahertz pulses with field strength exceeding 1 MV/cm generated by means of optical rectification utilizing a lithium...
Resource Type:: Undergraduate Thesis and Presentation

Complex Index of Refraction of Multi-walled Carbon Nanotubes in Strong Terahertz Fields

Creator:: McCuen, Dalton R.
Abstract:: Carbon nanotubes are the subject of intense interest in virtually every field, from medicine to nano-scale electrical components. Multi-walled nanotubes exhibit a strong nonlinear response to high-field strength terahertz radiation. This research uses terahertz pulses with field strength exceeding 1 MV/cm generated by means of optical rectification utilizing a lithium...
Resource Type:: Undergraduate Thesis

ScholarsArchive@OSU

Generation and pulse shaping of multi-cycle terahertz waves through manipulation of femptosecond optical pulses

Generation and manipulation of THz waves

The nonlinear optical properties of gallium arsenide pertaining to terahertz generation

Generation of narrowband THz pulses and THz studies of ultrafast phenomena in semiconductor quantum wells

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Generating and using terahertz radiation to explore carrier dynamics of semiconductor and metal nanostructures

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

Nonlinear terahertz spectroscopy of carbon nanomaterials and semiconductor nanostructures

Complex index of refraction of multi-walled carbon nanotubesin strong terahertz fields

Complex Index of Refraction of Multi-walled Carbon Nanotubes in Strong Terahertz Fields

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