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  • Spherical mirror resonators and optical mode selection

    Creator:
    Adrion, Robert Foisy
    Abstract:
    This is a review paper based on recent literature in the areas of spherical mirror resonators and optical mode selection. The Fabry-Perot interferometer with spherical mirrors has been widely used as a laser resonator. The modes of oscillation, diffraction losses and resonance condition are determined for the confocal resonator, i.e....
    Resource Type:
    Masters Thesis
    Full Text:
    parallel to the mirror. (b) Loss predicted by geometrical optics for the d » b case. (c) The

  • Gas ratio and pressure effects on the 6328 A⁰ transition of the helium-neon gas laser

    Creator:
    Freytag, Edwin Karl
    Abstract:
    This is a review paper of current literature in the area of pressure effects on gaseous lasers. This thesis discusses the mechanisms which relate the relative power output of the 6328 A[superscript ⁰] neon transition to total and partial pressure variations of the helium-neon gaseous laser. The operation of the...
    Resource Type:
    Masters Thesis
    Full Text:
    appreciation to Professor G. C. Alexander for his patience and criticism, especially in the final weeks of

  • A signal-processed antenna system and the simulation of the effects of balanced-mixer frequency conversion

    Creator:
    Spencer, Kenneth Edward
    Abstract:
    In this paper a signal-processed antenna and receiver system is proposed and analyzed. In addition, a simulation of the balanced-mixer portion of the processing system is made on a hybrid computer to find the bandwidth limitations for the total system. The system utilizes both the amplitude and phase information of...
    Resource Type:
    Dissertation
    Full Text:
    OF BALANCED -MIXER FREQUENCY CONVERSION Abstract approved: Gerald C. Alexander In this paper a

  • Analysis of the D. C. electric field for a pipeline in a three layered earth

    Creator:
    Brandenstein, Albert Edward
    Abstract:
    This paper develops an equation, from an heuristic set of assumptions, which describes the axial current, leakage current, resultant electric field, and resultant earth potential occurring when a pipeline buried within a resistive earth is subjected to a distributed, primary, axial, electrostatic field produced from a high-voltage, direct-current (HVDC) power...
    Resource Type:
    Dissertation
    Full Text:
    approved: G. C. Alexander This paper develops an equation, from an heuristic set of as- sumptions, which

  • Microstrips on gold-doped silicon substrates

    Creator:
    Lai, Cheng-wen
    Abstract:
    The power dissipation of microstrip transmission-line on gold-doped silicon substrates was investigated. The gold-doping was applied to a regular n-type silicon substrate with resistivity of 5 to 10 ohm-cm. Insertion-loss tests were employed to measure the power dissipation of the microstrips. Power dissipation somewhat less than that for intrinsic silicon...
    Resource Type:
    Masters Thesis
    Full Text:
    SUBSTRATES Redacted for PrivacyAbstract approved: G. C. Alexander The power dissipation of microstrip

  • Instrumentation system for high speed data sampling of electrical machinery

    Creator:
    Brisbine, Glen Edward
    Abstract:
    The objective of this thesis is to develop criteria for a data acquisition system for electrical machinery capable of sampling a signal every 0.2 msec with a desired accuracy of 0.1%. The system to be measured includes both AC and DC voltage and current signals from several points. The main...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: Gerald C. Alex.nder The objective of this thesis is to develop criteria for a data acquisition

  • Hybrid computer simulation of wind-driven ocean currents

    Creator:
    Vithayathil, Francis Joseph
    Abstract:
    A simulation method using a hybrid computer is developed in this dissertation to enhance the study of wind-driven ocean circulation. The simulation is based on the mathematical model developed by Ekman. Pure digital simulation is not economical due to excessive computer time required for the solution of the partial differential...
    Resource Type:
    Dissertation
    Full Text:
    OCEAN CURRENTS Abstract approved: Redacted for privacy Associate Professor Gerald/C. Alexander A

  • A study of the effect of the rotor coil couplings of a synchronous machine on its predicted transient response

    Creator:
    Nehrir, Mohammad Hashem
    Abstract:
    The effect of the mutual inductances between the rotor coils of a synchronous machine on its defined reactances and predicted transients are investigated. Two linearized models of the machine are considered. One uses the Laplace-Transform approach, with minimum number of assumptions on the inter-coil couplings, in developing a model for...
    Resource Type:
    Dissertation
    Full Text:
    ITS PREDICTED TRANSIENT RESPONSE Abstract approved: Redacted for privacy (Gerald C. Alexander The

  • Capacitive coupling compensation facilitating single-pole switching on six-phase transmission lines

    Creator:
    Al-Shehri, Abdallah M.
    Abstract:
    In this research, a novel shunt compensation scheme design procedure is developed for unbalanced, untransposed n-phase transmission lines. The main function of the scheme is to reduce the effect of the capacitive coupling on untransposed transmission lines to levels where successful single-pole switching is assured. The analysis procedure is carried...
    Resource Type:
    Dissertation
    Full Text:
    privacy Abstract approved: Gerald C. Alexander In this research, a novel shunt compensation scheme

  • Identification of synchronous machine parameters

    Creator:
    Shaban, Ali Omar
    Abstract:
    The synchronous machine is an essential component of a power system and determination of its parameters accurately is an important task in securing adequate modes of operation through certain control strategies. An estimation technique based on the Powell algorithm was evaluated for the identification of these parameters on the basis...
    Resource Type:
    Dissertation
    Full Text:
    Abstract approved: Redacted for Privacy Gerald Corwin Alexander The synchronous machine is an essential