Index Catalog // ScholarsArchive@OSU

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
Full Text:: of refraction of multi-walled carbon nanotubes (MWCNTs) in the presence of strong terahertz pulses

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

Terahertz transmission ellipsometry of vertically aligned multi-walled carbon nanotubes

Creator:: Paul, M. J., Kuhta, N. A., Tomaino, J. L., Jameson, A. D., Maizy, L. P., Sharf, T., Rupesinghe, N. L., Teo, K. B. K., Inampudi, S., Podolskiy, V. A., Minot, E. D., and Lee, Yun-Shik
Abstract:: We demonstrate time-resolved terahertz transmission ellipsometry of vertically aligned multi-walled carbon nanotubes. The angle-resolved transmission measurements reveal anisotropic characteristics of the terahertz electrodynamics in multi-walled carbon nanotubes. The anisotropy is, however, unexpectedly weak: the ratio of the tube-axis conductivity to the transverse conductivity, sigma[subscript z]/sigma[subscript xy] [similar or equal to]...
Resource Type:: Article
Full Text:: terahertz transmission ellipsometry of vertically aligned multi-walled carbon nanotubes. The angle-resolved

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:: of Vertically Grown Multi-Walled Carbon Nanotube Forests Abstract approved: Yun-Shik Lee In this

Nonlinear Terahertz Spectroscopy and imaging of Carbon Nanomaterials

Creator:: Lee, Byounghwak
Abstract:: This dissertation presents nonlinear terahertz (THz) properties of carbon nanomaterials investigated by time-resolved high-field THz spectroscopy. In order to determine THz characteristics of nanomaterials, we performed THz power spectrum measurement, THz raster imaging, THz time-domain spectroscopy (THz-TDS) and time-resolved pump-probe experiment on two different types of single layer graphene and...
Resource Type:: Dissertation
Full Text:: single layer graphene and a free standing multi-walled carbon nanotubes (MWCNTs), utilizing strong

Anisotropic high-field terahertz response of free-standing carbon nanotubes

Creator:: Lee, Byounghwak, Mousavian, Ali, Paul, Michael J., Thompson, Zachary J., Stickel, Andrew D., McCuen, Dalton R., Jang, Eui Yun, Kim, Yong Hyup, Kyoung, Jisoo, Kim, Dai-Sik, and Lee, Yun-Shik
Abstract:: We demonstrate that unidirectionally aligned, free-standing multi-walled carbon nanotubes (CNTs) exhibit highly anisotropic linear and nonlinear terahertz (THz) responses. For the polarization parallel to the CNT axis, strong THz pulses induce nonlinear absorption in the quasi-one-dimensional conducting media, while no nonlinear effect is observed in the perpendicular polarization configuration. Time-resolved...
Resource Type:: Article
Full Text:: -field terahertz response of free-standing carbon nanotubes Anisotropic high-field terahertz response

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
Full Text:: in a nonlinear crystal (which is dependent on the index of refraction) is not constant for

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
Full Text:: within the multi-walled carbon nanotubes. In-depth coverage of the development of a high-field THz

High-Field Terahertz Spectroscopy of Nanoscale Materials

Creator:: Mousavian, Ali
Abstract:: This dissertation covers my work relating to the application of strong terahertz (THz) radiation to study the nonlinear properties of nano-scale material. It presents experimental and numerical studies on the optical and electronic properties of various material system including single-layer graphene, multi-walled carbon nanotubes (MWCNTs), nanoantenna-patterned gallium arsenide (GaAs) and...
Resource Type:: Dissertation
Full Text:: the waveforms to extract the complex refractive index of material shows that strong THz field

dalton_mccuen_thesis_presentation.pdf

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...
Full Text:: Error Metric Results Complex Refractive Index of Aligned Multi-walled Carbon Nanotubes in

ScholarsArchive@OSU

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

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

Terahertz transmission ellipsometry of vertically aligned multi-walled carbon nanotubes

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

Nonlinear Terahertz Spectroscopy and imaging of Carbon Nanomaterials

Anisotropic high-field terahertz response of free-standing carbon nanotubes

Terahertz imaging and spectroscopy of carbon-based and semiconductor nanostructures

Nonlinear terahertz spectroscopy of carbon nanomaterials and semiconductor nanostructures

High-Field Terahertz Spectroscopy of Nanoscale Materials

dalton_mccuen_thesis_presentation.pdf

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