Browsing Theses by Title
Now showing items 8305-8324 of 15594
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A Large-Stroke Electrostatic Micro-Actuator
(University of Waterloo, 2011-01-17)Parallel-plate electrostatic actuators driven by a voltage difference between two electrodes suffer from an operation range limited to 30% of the gap that has significantly restrained their applications in Microelectromechanical ... -
A Las Vegas Algorithm for the Ordered Majority Problem
(University of Waterloo, 2022-09-29)In this thesis, we study the majority problem using ordered comparisons under the Las Vegas randomized algorithm model. The majority problem asks whether a given set of n elements, each with some colour, has a colour which ... -
Laser Absorption Chemical Species Tomography
(University of Waterloo, 2013-08-07)This thesis outlines two advancements in the field of limited data absorption tomography. First, a novel reconstruction algorithm integrating the use of level set methods is presented that incorporates the additional a ... -
Laser annealing irradiated silicon single-photon avalanche photodiodes for quantum satellite receiver
(University of Waterloo, 2018-05-11)Single-photon avalanche photodiodes (SPADs) are a practical option for space-based quantum communications requiring single-photon detection. However, radiation damage to SPADs significantly increases their dark count rates ... -
Laser Brazing of Magnesium to Steel Sheet
(University of Waterloo, 2013-10-24)The ability to effectively join magnesium alloys to steel will facilitate increased application and use of Mg alloys in the automotive and aerospace industries where joining Mg alloys to steel in order to achieve light ... -
Laser Desorption Solid Phase Microextraction
(University of Waterloo, 2006)The use of laser desorption as a sample introduction method for solid phase microextraction (SPME) has been investigated in this research project. Three different types of analytical instruments, mass spectrometry (MS), ... -
Laser Direct Deposition of Metal Matrix Diamond Composite
(University of Waterloo, 2016-01-04)Diamond, the hardest natural material known to humankind, is an ideal candidate for cutting and wear application, however implementing diamond in tooling is not without its challenges. Consequentially, these challenges ... -
Laser Doppler Anemometry and Acoustic Measurements of an S822 Airfoil at Low Reynolds Numbers
(University of Waterloo, 2011-04-26)Experimental aeroacoustic research was conducted on a wind turbine specific airfoil at low Reynolds numbers. The goal of this thesis was to study trailing edge noise generation from the airfoil and investigate correlations ... -
Laser fabrication and performance of NiCr strain gauges
(University of Waterloo, 2022-10-26)Increasing demand for smart devices has spurred the development of advanced sensors with smaller and more adaptable form factors. The integration of thin film technology into sensors such as strain gauges has the potential ... -
Laser Interference Fringe Tomography - A Novel 3D Imaging Microscopy Technique
(University of Waterloo, 2011-09-28)Laser interference fringe tomography (LIFT) is within the class of optical imaging devices designed for volumetric microscope applications. LIFT is a very simple and cost-effective three-dimensional imaging device which ... -
Laser Microwelding of Fine Wires using Femtosecond Pulses
(University of Waterloo, 2014-09-19)An alternative wire joining method is explored that utilizes femtosecond laser pulses directed towards the contact point of two pieces of 25-μm diameter Au bonding wires typically used in microelectronics wire bonding. The ... -
Laser Powder Bed Fusion of AlSi10Mg for Fabrication of Fluid Power Components
(University of Waterloo, 2020-01-06)Laser powder bed fusion (LPBF) is an additive manufacturing (AM) process that produces 3D objects in a layer-by-layer fashion by using a laser to selectively melt powdered material. Some of the advantages of LPBF include ... -
Laser Processing and Modelling of Multiple Memory Shape Memory Alloys
(University of Waterloo, 2018-04-18)Laser processing of NiTi shape memory alloys (SMA) has been identified as having great potential in surface treatment, welding, and novel performance requirement applications. However, no models have been developed to ... -
Laser Processing, Thermomechanical Processing, and Thermomechanical Fatigue of NiTi Shape Memory Alloys
(University of Waterloo, 2016-04-28)NiTi shape memory alloys (SMAs) have revolutionized engineering design across all industries, with major contributions in the medical, aerospace, and automotive industries. These fascinating materials possess the shape ... -
Laser Welding of Complex Phase and Dual Phase Advanced High Strength Steels - The Effects that Welding has on Microstructure and Formability
(University of Waterloo, 2020-05-19)To assist in the successful applications of tailor-welded assemblies made from advanced high strength steel (AHSS), there needs to be a thorough understanding of how laser welding process parameters influences the weld ... -
Laser Welding of Medium-Manganese Steel
(University of Waterloo, 2016-08-31)Medium-Manganese (MMn) third generation advanced high strength steel (AHSS) was joined using laser welding. The effects of rapid heating and cooling thermal cycles imposed by laser welding on MMn steel was investigated. ... -
Laser Welding of Porcine Skeletal Muscle Tissue Using Near Infra-red Irradiation with Gold Nanorod Biosolders
(University of Waterloo, 2024-04-29)Laser tissue welding is an efficient and quick technique used to join tissues for wound repair in the event of injury or surgery. Compared to traditional joining methods such as suturing, optimized laser tissue welding ... -
Laser-based aerosolized nanoparticle diagnostics: Enhancing the spectroscopic model
(University of Waterloo, 2020-05-15)The distinct properties of nanoparticles compared to their bulk counterparts makes them a suitable candidate for the development of many emerging technologies, and this presents a demand for scalable production routes. ... -
Laser-Based Imaging of Novel Charge Density Wave and Superconducting Materials
(University of Waterloo, 2021-06-02)The following thesis presents experimental study of two crystalline materials which show correlated electron phases. The first material 1T-TaS2 is a two-dimensional van-der-Waals material. This family of materials ... -
Laser-cooled Atomic Ensembles in Hollow Optical Fibers
(University of Waterloo, 2021-05-06)This thesis explores hollow-core fibres as a platform for quantum optics experiments with laser-cooled atomic ensembles. The non-diffracting, tightly-confined guided modes of these fibers grant us a ~µm-wide one-dimensional ...