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Filtering by: Creator Lee, Chyuan-shen Remove constraint Creator: Lee, Chyuan-shen File Format application/pdf Remove constraint File Format: application/pdf Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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  • 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
    Full Text:
    : Yun-Shik Lee In this thesis I studied several THz components that can be used for potential THz

  • 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
    Full Text:
    : Yun-Shik Lee Gallium arsenide shows excellent promise for terahertz generation using mid infrared

  • Multi-dimensional parametric estimation: two-dimensional sharpening by predictive bandwidth extrapolation and fast algorithms for three dimensional autoregressive estimation

    Creator:
    Liew, Ji Seok
    Abstract:
    Achieving sharpened (enhanced detail) features of a multi-dimensional data source using the linear prediction (LP) bandwidth extrapolation (BWE) technique in the transform domain is the main objective of this research. The evolution of sensor technology has provided acquisition scenarios in which the data format is inherently multi-dimensional, including hyperspectral imaging...
    Resource Type:
    Dissertation
    Full Text:
    my thesis committee Professor Ben Lee, Huaping Liu and Luca Lucchese for their helpful feedback

  • Advances in side-channel cryptanalysis : microarchitectural attacks

    Creator:
    Aciiçmez, Onur
    Abstract:
    Cryptographic devices leak timing and power consumption information that is easily measurable, radiation of various levels, and more. Such devices also have additional inputs, other than plaintext and keys, like voltage, which can be modified to force the device to produce certain faulty outputs that can be used to reveal...
    Resource Type:
    Dissertation
    Full Text:
    formed a basis for this thesis. I also thank Dr. Bella Bose, Dr. Timothy Budd, Dr. Ben Lee, Dr. Lien

  • Patterns and processes of sediment transport following sediment-filled dam removal in gravel bed rivers

    Creator:
    Stewart, Gregory B.
    Abstract:
    Dam removal is increasingly viewed as a river restoration tool because dams affect so many aspects of river hydrology, geomorphology, and ecology; but removal also has impacts. When a dam is removed, sediment accumulated over a dam’s lifetime may be transported downstream; and the timing, fate and consequences of this...
    Resource Type:
    Dissertation

  • Cryptanalysis and enhancement of authentication protocols

    Creator:
    Kim, Minho
    Abstract:
    Authentication protocols play important roles in network security. A variety of authentication protocols ranging from complex public-key cryptosystems to simple password-based authentication schemes have been proposed. However, currently there is no fully secure authentication scheme that can resist all known attacks. When a user authentication is performed over an insecure...
    Resource Type:
    Dissertation
    Full Text:
    at OSU. I would like to thank Professor Ben Lee for his valuable feedback and profes- sional

  • Metabolic uncoupling of Shewanella oneidensis MR-1, under the presence of excess substrate and 3,3’,4’,5 tetrachlorosalicylanilide

    Creator:
    Saini, Gaurav
    Abstract:
    Dissociation between catabolism and anabolism, generically termed “metabolic uncoupling”, has been studied for aerobic cultures of Shewanella oneidensis MR-1. Under conditions promoting metabolic uncoupling, the cell yield diminishes while the substrate utilization rate remains largely unchanged. The effects of excess substrate conditions and TCS addition on the metabolism of pyruvate...
    Resource Type:
    Masters Thesis
    Full Text:
    and Lee 1990; Liu et. al 1998). There is a lack of literature on metabolic uncoupling of pure

  • Activation, incorporation and modification of capreomycidine during viomycin biosynthesis

    Creator:
    Fei, Xiaobo
    Abstract:
    Molecular genetic and enzymological techniques have been employed to study antibiotic biosynthesis. The nonproteinogenic amino acid capreomycidine is the signature residue found in the tuberactinomycin family of antitubercular peptide antibiotics and an important element of the pharmacophore. Recombinant VioG, a single module peptide synthetase from the viomycin gene cluster cloned...
    Resource Type:
    Masters Thesis

  • Unraveling tissue regeneration using chemical genetics

    Creator:
    Mathew, Lijoy K.
    Abstract:
    The emerging field of regenerative medicine is mainly approached by two different aspects. First is the use of stem cell based models to generate a suite of differentiated cells for therapeutic applications and the alternative approach is to utilize the non-mammalian models that have the inherent capacity to regenerate their...
    Resource Type:
    Dissertation
    Full Text:
    ., 2004; Lee et al., 2005; Mari-Beffa et al., 1996; Nechiporuk and Keating, 2002; Santamaria et al

  • Improved design techniques for analog and mixed circuits

    Creator:
    Nishida, Yoshio
    Abstract:
    Although the digital revolution can realize many of past analog components in the digital forms, our world is surrounded with analog signals such as voice, temperature, etc. The bridge between these two worlds is one of key performance limitations among overall systems and it includes analog filters and data converters....
    Resource Type:
    Dissertation
    Full Text:
    intelligences with me; Kye-Hyung Lee, Jeong-Seok Chae, Sang-Hyeon Lee, Yan Wang, Weilun Shen, Wenhuan Yu