Browsing by Author "Taylor, Henry F."

Now showing items 41-56 of 56

    • Optical data transmission apparatus and method 
      Taylor, Henry F. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2004-05-25)
      In a system for transmitting intensity modulated light waves (20) over an optical fiber (18), an optical data transmission apparatus (10) includes a cw laser (12) conformed to emit light at substantially a single frequency. ...
    • Optimum bit-by-bit power allocation for minimum distortion transmission 
      Karaer, Arzu (Texas A&M University, 2007-04-25)
      In this thesis, bit-by-bit power allocation in order to minimize mean-squared error (MSE) distortion of a basic communication system is studied. This communication system consists of a quantizer. There may or may not be a ...
    • Polarization independent optical switches using an off diagonal electrooptic coefficient in lithium tantalate 
      Yoon, Dae Won (Texas A&M University. Libraries, 1988)
      Polarization independent optical coupled waveguide switches have been produced in lithium tantalate using the recently developed zinc vapor diffusion technique. Diffusion and fabrication process are described in detail. ...
    • Polarization-sensitive Mueller-matrix optical coherence tomography 
      Jiao, Shuliang (Texas A&M University, 2004-09-30)
      Measuring the Mueller matrix with optical coherence tomography (OCT) makes it possible to acquire the complete polarization properties of scattering media with three-dimensional spatial resolution. We first proved that the ...
    • Progressively monitorable fire alarm system 
      Taylor, Henry F. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 1991-02-19)
      A method for producing reflectors in a continuous length of optical fiber is disclosed. The present process includes the steps of preparing the ends of two or more optical fibers, placing one or more of these fibers in a ...
    • Quantum amplifier model for semiconductor lasers 
      Yuan, Ruixi (Texas A&M University. Libraries, 1991)
      A quantum amplifier model for semiconductor lasers is developed in this dissertation. This model is capable of predicting the temporal variations of optical output power from semiconductor lasers on a picosecond time scale. ...
    • Signal conditioning unit for fiber optic sensors 
      Taylor, Henry F.; Sadkowski, Roberto; Lee, Chung E. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 1996-09-17)
      Apparatus and method (10, 50) for determining the value of a measurand measured by a fiber optic interferometer sensor (24, 72, 110) is provided. The apparatus includes a light source (16, 58, 102) emitting a light having ...
    • Signal statistics of phase dependent optical time domain reflectometry 
      Wojcik, Aleksander Karol (Texas A&M University, 2007-04-25)
      The statistics of the phase dependent optical time-domain reflectometer have been analyzed. The optical fiber is modeled by the use of a discrete set of reflectors positioned randomly along the fiber. The statistics of the ...
    • Slotline, CPW ring circuits and waveguide ring cavities for coupler and filter applications 
      Ho, Chien-Hsun (Texas A&M University. Libraries, 1994)
      Slotline and coplanar waveguide (CPW) ring elements have been developed as circuit components for resonator, filter, and coupler applications. Transitions from CPW to slotline and coplanar strip (CPS) using uniform and ...
    • Slow wave electrooptic light modulator apparatus and method 
      Taylor, Henry F. (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2001-09-11)
      A highly efficient electrooptic means and method of light modulation utilizing slow wave optical propagation is provided. A grating structure (35) integrated with a single mode optical waveguide (32) on an electrooptic ...
    • Tunable electrooptic add-drop filter apparatus and method 
      Taylor, Henry F.; Eknoyan, Ohannes (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2004-11-02)
      In filters fabricated on a birefringent electrooptic substrate (28), a tunable electrooptic add-drop filter apparatus (10) includes two input single mode waveguides (44) and a first beam splitter (24) connected to the ...
    • Two-port polarization independent electro-optically tunable wavelength filter in lithium niobate 
      Ping, Yang (Texas A&M University, 2004-09-30)
      Two-port polarization independent electro-optically wavelength tunable filters based on asymmetric Mach-Zehnder structure in LiNbO3 substrate have been developed for 1.55μm application. The operation principle is based on ...
    • The use of polarized light for biomedical applications 
      Baba, Justin Shekwoga (Texas A&M University, 2004-11-15)
      Polarized light has the ability to increase the specificity of the investigation of biomedical samples and is finding greater utilization in the fields of medical diagnostics, sensing, and measurement. In particular, this ...
    • The use of Surface Enhanced Raman Spectroscopy (SERS) for biomedical applications 
      Chowdhury, Mustafa Habib (Texas A&M University, 2007-04-25)
      Recent advances in nanotechnology and the biotechnology revolution have created an immense opportunity for the use of noble metal nanoparticles as Surface Enhanced Raman Spectroscopy (SERS) substrates for biological sensing ...
    • Using Fiber-Optic Pressure Sensors To Detect Cavitation And Flow Instabilities In Centrifugal Pumps 
      Perez, Robert X.; Lee, Chung E.; Taylor, Henry F. (Texas A&M University. Turbomachinery Laboratories, 1998)
      This paper introduces the benefits of applying the fiber-optic Fabry-Perot interferometer (ffpi) pressure sensor as a means of detecting cavitation and flow instabilities in centrifugal pumps. The need for monitoring dynamic ...
    • Voltage sensing based built-in current sensor for IDDQ test 
      Xue, Bin (Texas A&M University, 2006-04-12)
      Quiescent current leakage test of the VDD supply (IDDQ Test) has been proven an effective way to screen out defective chips in manufacturing of Integrated Circuits (IC). As technology advances, the traditional IDDQ test ...