Browsing by Author "Eknoyan, Ohannes"
Now showing items 21-40 of 68
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Webb, Jacob Douglas (2011-08-08)There is a drive for improving the surface uniformity of optical waveguide devices in the photonics lab. This report focuses on the exploration of annealed proton exchange (APE) waveguide fabrication on lithium niobate ...
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Macik, Dwayne (2012-10-19)A key factor in the vertical integration of optical waveguide devices is the uniformity of the surface across which the coupling takes place. This thesis focuses on the fabrication of annealed proton-exchanged (APE) ...
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Fiber Fabry-Perot interferometer (FFPI) sensor using vertical cavity surface emitting laser (VCSEL) Lee, Kyung-Woo (Texas A&M University, 2006-10-30)This research represents the first effort to apply vertical cavity surface emitting lasers (VCSELs) to the monitoring of interferometric fiber optic sensors. Modulation of the drive current causes thermal tuning of the ...
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Park, Kyongtae (Texas A&M University, 2005-11-01)A fiber optic system for measuring magnetic heading and pitch of one or more compass heads in a towed acoustic array has been developed as a cooperative effort between engineers at Fiber Dynamics, Inc., and faculty and ...
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Bae, Taehan (Texas A&M University, 2006-10-30)A new fiber optic sensing technology for measuring in-cylinder pressure in automotive engines was investigated. The optic sensing element consists of two mirrors in an in-line single mode fiber that are separated by some ...
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Alcoz, Jorge Jose (Texas A&M University. Libraries, 1993)A new type of fiber-optic frequency shifter was studied theoretically and experimentally. It consists of a birefringent optical fiber embedded in an aluminum acoustic waveguide. Light with a wavelength of 1.3 μm enters ...
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Song, Xiaomin (2012-02-14)The combination of the arsenic trisulfide (As2S3) waveguide and titanium diffused lithium niobate (Ti:LiNbO3) waveguide provide us compact and versatile means for transmitting and processing optical signals, which benefits ...
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Lu, Jiang (Texas A&M University, 2007-04-25)A novel high-k gate dielectric material, i.e., hafnium-doped tantalum oxide (Hf-doped TaOx), has been studied for the application of the future generation metal-oxidesemiconductor field effect transistor (MOSFET). The ...
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Lin, Chi-Chou (2014-09-05)The zirconium-doped hafnium oxide (ZrHfO) high-k gate dielectric films with and without the embedded nanocrystals have been studied for the applications of the nonvolatile memory and light emitting devices. By replacing ...
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Tan, Wee Chong (2012-07-16)It is well known that thermally evaporated a-As2S3 thin films are prone to oxidation when exposed to an ambient environment. These As2O3 crystals are a major source of scattering loss in sub-micron optical integrated ...
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Solmaz, Mehmet E. (2011-08-08)A chalcogenide glass (arsenic-trisulfide, As2S3) optical waveguide is vertically integrated onto titanium-diffused lithium-niobate (Ti:LiNbO3) waveguides to add optical feedback paths and to create more compact optical ...
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Sung, Won Ju (2013-12-10)Optical polarization control in Ti diffused channel waveguides onto LiNbO_(3) substrates have been investigated near 1530 nm wavelength regime by utilizing electro-optic effects of the substrate material. A device configuration ...
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Kuo, Hsin-Hui (Texas A&M University, 2007-09-17)A polarization independent electrooptic add/drop tunable filter fabricated on a LiNbO3 substrate with a narrow -3 dB bandwidth (FWHM) of 1.56 nm operating in the 1.55 üm wavelength regime has been developed to meet the ...
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Wu, Shu-Hsien (2013-04-19)The charge storage in the a-Si:H PIN photodiode under different light wavelength illuminations has been studied. The leakage current-voltage and capacitance-voltage curves under three fundamental visible light wavelengths, ...
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Raphael, Fouad Antoine (Texas A&M University. Libraries, 1979)A novel technique for the derivation of the current distrbutions on array antenna elements is presented. The analysis is carried out for an array of loops with arbitrary circunferences and spacings. The simultaneous ...
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Portillo Urdaneta, Levi (Texas A&M University, 2007-04-25)A power system protection system consists, at least, of an instrument trans- former, a protective device (relay), and a circuit breaker. Conventional instrument transformers bring currents and voltages from power network ...
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Ren, Yu-Jiun (2009-05-15)In the future, space solar power transmission and wireless power transmission will play an important role in gathering clean and infinite energy from space. The rectenna, i.e., a rectifying circuit combined with an antenna, ...
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Kwark, Bongsin (Texas A&M University. Libraries, 1993)A new type of photodetector, traveling wave photodetector (TWPD), was designed, fabricated, and tested. In a traveling wave photodetector structure the incident light interacts continuously with the optically generated ...
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Dogan, Yusuf (2018-11-19)The overreaching goal of this dissertation research is to achieve fabrication of mm scale waveguide structure for solar energy concentration systems. In the proposed design, a high concentrator photovoltaics (HCPV) with ...
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Zha, Jun (Texas A&M University. Libraries, 1993)A novel numerical method, hereafter called the Local Interpolatory Cardinal Spline (LICS) method, is developed to model and simulate the behavior of optical wave propagation in a nonlinear medium. The architecture of this ...