Now showing items 135-154 of 193

    • Optical Metamaterials: From Linear Responses to Nonlinear Interactions and Beyond 

      Cai, Wenshan (Georgia Institute of Technology, 2014-11-11)
      Metamaterials are commonly viewed as artificially-structured media capable of realizing arbitrary effective parameters, in which metals and dielectrics are delicately combined to facilitate the index contrast and plasmonic ...
    • An Optical Rectenna 

      Cola, Baratunde (Georgia Institute of Technology, 2015-08-25)
      An optical rectenna – that is, a device that directly converts free‐propagating electromagnetic waves at optical frequencies to d.c. electricity – was first proposed over 40 years ago, yet this concept has not been ...
    • Optics in the Natural World: Iridescent Colors of Butterflies and the Twisted Beetle! 

      Srinivasarao, Mohan (Georgia Institute of Technology, 2013-01-08)
      The study of photonics in nature contains beautiful and diverse examples of sub-wavelength structural features that create observed colors through thin layered or multilayered interference, diffraction, zero order diffraction ...
    • Optimal Feedback Control of Crystallization 

      Grover, Martha (Georgia Institute of Technology, 2017-01-24)
      The organization of a large collection of particles into an ordered crystalline array is needed for many applications, including pharmaceutical separations, nuclear waste disposal, and optoelectronic metamaterials. Due ...
    • Optimization of a Biomimetic Poly-(Lactic Acid) Ligament Scaffold 

      Uehlin, Andrew (Georgia Institute of Technology, 2013-01-22)
      The anterior cruciate ligament (ACL) is the most commonly injured ligament of the knee, often requiring orthopedic reconstruction using autograft or allograph tissue, both with significant disadvantages. As a result, tissue ...
    • Organic and Hybrid Materials for Photonics and Electronics 

      Perry, Joseph (Georgia Institute of Technology, 2015-09-22)
      In this talk, I will present an overview of my group’s research on materials for photonics and electronics. Polymethine dyes are promising materials for nonlinear optical processes such as all-optical signal processing ...
    • Organic Semiconductors for Flexible Printed Electronics 

      Kippelen, Bernard (Georgia Institute of Technology, 2012-09-11)
      Advances during the last 30 years in the synthesis and processing of organic materials with nonlinear optical and semiconducting properties, have fueled the emergence of a new technology that can potentially lead to low ...
    • Organic Semiconductors in the Fourth Industrial Revolution 

      Kippelen, Bernard (Georgia Institute of Technology, 2019-03-12)
      In this talk, we will discuss how printable organic conjugated semiconducting molecules and polymers are creating new disruptive technologies that are impacting all industries. We will present recent advances in various ...
    • Particle-Stabilized Emulsions and the Surprising Effects of Particle Charge and Nano-Scale Roughness 

      Behrens, Sven (Georgia Institute of Technology, 2013-12-10)
      It has been known for more than a century that colloidal particles with the “right” wetting properties can stabilize emulsions, much like surfactants or amphiphilic polymers do. Today, particlestabilized emulsions ...
    • Patent Law and Nanotechnology 

      Woods, Eric (Georgia Institute of Technology, 2008-08-26)
      From a researcher's perspective, understanding the elements that should be in a patent application and how the patent office evaluates prior art and patentability can be daunting. A basic introduction to the criteria that ...
    • Pathways to Improved Performance of Electrochemical Systems Through an Understanding of Dynamic Materials Processes 

      McDowell, Matthew (Georgia Institute of Technology, 2016-02-09)
      Dynamic materials processes such as phase transformations, corrosion, and nucleation/growth can play key roles during operation of devices for electrochemical energy storage and conversion; often, these processes are not ...
    • Peptide and Protein Nanomaterials: The Design Challenge 

      Conticello, Vincent (Georgia Institute of Technology, 2015-11-10)
      Structurally defined materials on the nanometer length-scale have been historically the most challenging to rationally construct and the most difficult to structurally analyze. Sequence-specific biomolecules, i.e., proteins ...
    • Performance Modeling, Design, and Benchmarking for Beyond-CMOS Devices and Circuits 

      Naeemi, Azad (Georgia Institute of Technology, 2017-11-28)
      A diverse set of novel materials, physical phenomena, interconnects, logic and memory devices, and circuit/system concepts are being studied globally to sustain the exponential growth of the computational power of integrated ...
    • Plasma Etching at IEN: An Overview of Equipment and Processes 

      Chen, Hang (Georgia Institute of Technology, 2013-09-10)
      Plasma etching has become one of the most important techniques in IC fabrication. It plays a critical role in creating geometries of extremely small size for highly integrated devices. Plasma etching techniques utilize ...
    • Plate Mechanical Metamaterials and Their Applications 

      Bargatin, Igor (Georgia Institute of Technology, 2019-09-10)
      Recently, we introduced the concept of plate mechanical metamaterials—cellular plates with carefully controlled periodic geometry and unique mechanical properties—as well as its initial realization in the form of freestanding ...
    • Polymeric Semiconductors: Molecular Ordering, Charge Transport and Macroscale Mobility 

      Reichmanis, Elsa (Georgia Institute of Technology, 2014-01-28)
      The performance of devices fabricated using polymeric semiconductors depends critically upon alignment of the polymer chains at the nano- through macro-scales. Significant structure-process- property relationships that ...
    • Precision Medicine is Advanced by Precision Microsystems 

      Herr, Amy E. (Georgia Institute of Technology, 2021-02-23)
      While the biomedical importance of detecting cellular heterogeneity is widely accepted, we lack tools for detection of the vast majority of molecular heterogeneity, as expressed in proteins. In fact, oncoproteins and their ...
    • Problem Solving Using Light and Electron Microscopy 

      Brown, Rich (Georgia Institute of Technology, 2013-03-12)
      Using a combination of microscopical techniques, Rich applies polarized light microscopy (PLM), Fourier transform infrared microspectroscopy, (FTIR), confocal Raman microscopy, (CRM), scanning electron microscopy-energy ...
    • Projection Two-Photon Lithography for Rapid and Versatile Nanoscale 3D Printing 

      Saha, Sourabh (Georgia Institute of Technology, 2021-10-25)
      High-throughput fabrication techniques for generating arbitrarily complex three-dimensional structures with nanoscale features are desirable across a broad range of applications including healthcare, transportation, and ...
    • Properties and Technological Applications of Superconducting Nanowire Devices 

      Marchenkov, Alexei (Georgia Institute of Technology, 2007-10-09)
      The generation of high-frequency current oscillations when a constant voltage is applied across an insulating tunnel gap separating two superconductors was one of the fundamental theoretical predictions made by Brian ...