Browsing MIT Theses by Title
Now showing items 54191-54210 of 61670
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Studying Particle and Energy Transport using Nuclear and X-ray Diagnostics for Discovery Science and Inertial Confinement Fusion
(Massachusetts Institute of Technology, 2024-02)Obtaining a fundamental understanding of particle and energy transport in High Energy Density Plasmas (HEDP) is essential for advancing basic plasma science and for correctly modeling the energy balance and ignition threshold ... -
Studying phonon mean free paths at the nanoscale : modeling and experiments
(Massachusetts Institute of Technology, 2016)Heat conduction in semiconductors and dielectrics involves cumulative contributions from phonons with different frequencies and mean free paths (MFPs). Knowing the phonon MFP distribution allows us to gain insight into the ... -
Studying self-entangled DNA at the single molecule level
(Massachusetts Institute of Technology, 2015)Knots seem to be found every time one encounters long, stringy objects. At the macroscopic scale, knots are seen every day in shoelaces, tangled hair, or woven clothing, yet they also present themselves at the microscopic ... -
Studying the atmosphere of HD 189733 b using the Rossiter-McLaughlin effect
(Massachusetts Institute of Technology, 2020)Transmission spectroscopy is a widely-used method for studying exoplanetary atmospheres. However, the differential data analysis techniques that are generally applied to high-resolution ground-based spectroscopic data are ... -
Studying topologically complex DNA at the single-molecule level
(Massachusetts Institute of Technology, 2020)Over two decades ago, with advances in microfabrication techniques and fluorescence microscopy, single-molecule studies emerged as a powerful approach to investigate polymer dynamics at the molecular level. By providing a ... -
Stupid robot tricks : a behavior-based distributed algorithm library for programming swarms of robots
(Massachusetts Institute of Technology, 2004)As robots become ubiquitous, multiple robots dedicated to a single task will become commonplace. Groups of robots can solve problems in fundamentally different ways than individuals while achieving higher levels of ... -
Sturm sequences and the eigenvalue distribution of the beta-Hermite random matrix ensemble
(Massachusetts Institute of Technology, 2007)This paper proposes that the study of Sturm sequences is invaluable in the numerical computation and theoretical derivation of eigenvalue distributions of random matrix ensembles. We first explore the use of Sturm sequences ... -
Styling in Espalier : a spreadsheet tool for manipulation of structured data
(Massachusetts Institute of Technology, 2019)The spreadsheet is a commonly-used programming tool, useful for a wide variety of data-driven tasks. They, however, lack the capability of robustly representing and manipulating structured data. Espalier is a new ... -
A stylus-based user interface for text : entry and editing
(Massachusetts Institute of Technology, 1991)A computer system with a user interface based on a stylus offers many potential benefits. A stylus is portable, usable with one hand, and works with a wide variety of systems, from notebook-sized computers to computers ... -
Sub-10-nm electron-beam lithography for templated placement of colloidal quantum dots
(Massachusetts Institute of Technology, 2011)This thesis presents the investigation of resolution limits of electron-beam lithography (EBL) at the sub-10-nm scale. EBL patterning was investigated at low electron energy (2 keV) in a converted scanning electron microscope ... -
Sub-10-nm lithography with light-ion beams
(Massachusetts Institute of Technology, 2012)Scanning-electron-beam lithography (SEBL) is the workhorse of nanoscale lithography in part because of the high brightness of the Schottky source of electrons, but also benefiting from decades of incremental innovation and ... -
Sub-20nm substrate patterning using a self-assembled nanocrystal template
(Massachusetts Institute of Technology, 2005)A hexagonally close-packed monolayer of lead selenide quantum dots is presented as a template for patterning with a tunable resolution from 2 to 20nm. Spin-casting and micro-contact printing are resolved as methods of ... -
Sub-50nm x-ray lithography with application to a coupled quantum dot device
(Massachusetts Institute of Technology, 1998) -
Sub-assembly partitioning choice for complex assemblies based on an action-count-closure criterion
(Massachusetts Institute of Technology, 1996) -
Sub-femtosecond optical timing distribution for next-generation light sources
(Massachusetts Institute of Technology, 2015)Precise timing distribution is critical for realizing a new regime of light control in next-generation X-ray free-electron lasers. These facilities aim to generate sub-femtosecond (fs) X-ray pulses with unprecedented ... -
Sub-femtosecond precision timing distribution, synchronization and coherent synthesis of ultrafast lasers
(Massachusetts Institute of Technology, 2012)In this thesis, we present a complete set of techniques for sub-femtosecond measurement, control and distribution of ultrafast optical pulse trains, with respect to pulse timing and phase. First, analytical analysis of the ... -
Sub-linear algorithms for graph problems
(Massachusetts Institute of Technology, 2018)In the face of massive data sets, classical algorithmic models, where the algorithm reads the entire input, performs a full computation, then reports the entire output, are rendered infeasible. To handle these data sets, ... -
Sub-micron gate lithography in an MMIC production environment
(Massachusetts Institute of Technology, 1990) -
A sub-millimeter precision distance and orientation sensor for close-proximity in air and water
(Massachusetts Institute of Technology, 2015)High precision sensing is a widely applicable technology that ranges in use case from manufacturing, mobile devices, and robotics among more. Specifically inspired by the need for a high precision orientation sensing for ...
