Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"micro mirror"”.
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Investigation of polymer waveguides for fully embedded board-level optoelectronic interconnects
… utilizing polymer waveguides and 45-degree micro mirror light couplers. This structure is expected to provide high-speed, large bandwidth, low power dissipation, as well as compatibility to conventional PCB fabrication process, ease of optical alignment and packaging. High performance …
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MEMS enabled Fabry-Perot cavity for cQED experiments
… to manipulate atoms in a chip require building micro systems on chip that support actuation, alignment control and tunability for each micro component, which requires a significant integration effort. One example of a new experimental technique in atomic physics is the realization of optical …
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Electrostatic micro actuators for mirror and other applications
Micro-electro-mechanical systems (MEMS) based electrostatic micro actuators are becoming important building blocks for innovations in optical signal processing and computing systems due to their inherently small size, high density, high speed and low power consumption. Generally, the principle of …
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Towards personal fabrications : tabletop tools for micron and sub-micron scale functional rapid prototyping
Three tools for the rapid prototyping of micron and sub-micron scale devices are presented. These tools represent methods for the manufacture of PEMS, or Printed micro Electro Mechanical Systems, and are enabled because they exploit the novel properties of nanocrystalline materials and their …
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Design and Fabrication of Electrostatically Actuated Serpentine-Hinged Nickel-Phosphorous Micromirror Devices
<p>A process for micromachining of micro-mirror devices from silicon-on-insulator wafers was proposed and implemented. Test methods and force applicators for these devices were developed. Following successful fabrication of these devices, a novel process for fabrication of devices out of the plane …
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Efficient Mixed -Domain Analysis of Electrostatic Microelectromechanical Systems (Mems)
… Furthermore, mesh distortion can occur for micromechanical structures that undergo large deformations. To overcome all these difficulties, we present efficient computational methods for scattered point and meshless analysis of electrostatic microelectromechanical systems (MEMS). …
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Quantitative phase imaging : a study from 2D to 3D
… information of transparent biological micro-specimens can be measured and quantified. 2D quantitative phase maps of cell samples on the one hand can retrieve morphological shapes, and on the other hand can be converted to dry mass values, which are important bio-markers for cell growth …
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Development of Broadband Time-Resolved Spectroscopy and Investigation of the Dynamics of Photoexcited Carriers and Lattice Excitations in Chiral Weyl Semimetals
… a nonlinear photonic crystal fiber and a digital micro-mirror device enabling the use of single element detector and lock-in demodulation of the signal, along with rapid, repeated averaging over the spectrum. Using a bismuth test sample, we demonstrate that the apparatus is capable of measuring …
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Vibrational Spectroscopy of Self-Forming Synthetic PEGylated Lipids and Nanovesicles
… by using a novel miniaturized dual-detector micro-mirror spectrometer based on micro-opto-electro-mechanical systems (MOEMS) technology. Similarly, FTIR and Raman spectroscopic techniques have been used to establish the "molecular fingerprint" of these lipids. In addition, laser tweezers …
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Fabrication and Characterization of Torsional Micro-Hinge Structures
… <p>Fabrication and Characterization of Torsional Micro-Hinge Structures</p> <p>Mike Marrujo </p> <p>There are many electronic devices that operate on the micrometer-scale such as Digital Micro-Mirror Devices (DMD). Micro actuators are a common type of DMD that employ a diaphragm supported by …
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Quasistatisch auslenkbarer Kippspiegel zur Ablenkung von Licht
This dissertation concerns quasistatic torsional mirror's for optical applications. The intended main area of application is the use as switch in optical network's, replacing the conventional optical-electro-optical conversation. With these actuator's a new concept of electrostatic actuation has …