Search results | J. Murrey Atkins Library

Title: COMPRESSIVE IMAGING AND DUAL MOIRÉ LASER INTERFEROMETER AS METROLOGY TOOLS
Author: Abolbashari, Mehrdad
Date Created: 2013
Subjects--Topical: Optics, Engineering
Description: Metrology is the science of measurement and deals with measuring different physical aspects of objects. In this research the focus has been on two basic problems that metrologists encounter. The first problem is the trade-off between the range of ...

Title: DYNAMIC RANGE ENHANCMENT IN DIGITAL FRINGE PROJECTION AND LASER INTERFEROMETRY
Author: Babaie, Gelareh
Date Created: 2015
Subjects--Topical: Optics, Engineering, Meteorology
Description: GELAREH BABAIE. Dynamic range enhancement in digital fringe projection and laser interferometry. (Under the direction of DR. FARAMARZ FARAHI)Optical metrology is the science and technology concerning measurements with light. Surface texture and 3D...

Title: Time Domain Approach to Stability in Machining Operations
Author: Berglind, Luke
Date Created: 2015
Subjects--Topical: Mechanical engineering
Description: Machine tool chatter is a common occurrence in machining environments which can lead to undesirable part outcomes and can even cause damage to the machine. Chatter is a result of regenerative dynamic forces inherent in the machining process which ...

Title: Effects of Edge Roughness on Optical Scattering from Periodic Microstructures
Author: Bergner, Brent
Date Created: 2009
Subjects--Topical: Optics, Nanotechnology
Description: Planar photonic crystals and other microstructured surfaces have important applications in a number of emerging technologies. However, these structures can be difficult to fabricate in a consistent manner. Rapid, precise measurements of critical p...

Title: Design, Fabrication and Testing of Hierarchical Micro-optical Structures and Systems
Author: Cannistra, Aaron
Date Created: 2011
Subjects--Topical: Optics
Description: Micro-optical systems are becoming essential components in imaging, sensing, communications, computing, and other applications. Optically based designs are replacing electronic, chemical and mechanical systems for a variety of reasons, including l...

Title: Optical super-resolution and periodical focusing effects by dielectric microspheres
Author: Darafsheh, Arash
Date Created: 2013
Subjects--Topical: Optics, Physics, Biomedical engineering
Description: Optical microscopy is one of the oldest and most important imaging techniques; however, its far-field resolution is diffraction-limited. In this dissertation, we proposed and developed a novel method of optical microscopy with super-resolution by ...

Title: Displacement Scale Based on Speckles
Author: Farsad, Mahsa
Date Created: 2015
Subjects--Topical: Mechanical engineering, Optics
Description: Speckle patterns are complex intensity distributions, which occur when an optically rough surface is illuminated with a coherent light. The speckle phenomenon was known to be troublesome when the laser was first introduced, but later it was discov...

Title: Characterization of the Dynamic Performance of Machine Spindles
Author: Ganguly, Vasishta
Date Created: 2014
Subjects--Topical: Mechanical engineering
Description: Machine spindle dynamics and (axis of rotation) error motions may vary as a function of spindle speed due to gyroscopic effects, changes in bearing preload, centrifugal forces, and thermals effects. It is necessary to characterize these changes in...

Title: A COMPUTATIONAL SPECTRAL IMAGING TECHNIQUE AND ITS APPLICATION IN FORM METROLOGY
Author: Habibi, Nasim
Date Created: 2017
Subjects--Topical: Optics
Description: Many existing systems for three-dimensional (3D) shape measurement require mechanical moving parts that limit the measurement speed. A non-contact optical system that does not requires any moving parts can, in principle, increase the speed of meas...

Title: Novel Fiber Optic Tip Designs and Devices For Laser Surgery
Author: Hutchens, Thomas
Date Created: 2013
Subjects--Topical: Optics
Description: Fiber optic delivery of laser energy has been used for years in various types of surgical procedures in the human body. Optical energy provides several benefits over electrical or mechanical surgery, including the ability to selectively target spe...

Title: Microspherical photonics: Giant resonant light forces, spectrally resolved optical manipulation, and coupled modes of microcavity arrays
Author: Li, Yangcheng
Date Created: 2015
Subjects--Topical: Optics, Physics
Description: Microspherical photonics emerged in recent years in the context of fundamentally new optical properties of structures formed by coupled dielectric microspheres. These include coupling between whispering gallery modes (WGMs), photonic nanojets, nan...

Title: Manufacture of Infrared Optics in Brittle Materials
Author: Owen, Joseph
Date Created: 2015
Subjects--Topical: Mechanical engineering
Description: Infrared optics are manufactured for many different applications including: thermal imaging, surveillance, night vision, medical, laser machining, laser surgery, etc. Most infrared transparent materials are hard, brittle, or both. Unless special c...

Title: Electromagnetic Wave Phenomena In Periodic Metastructures
Author: Schenk, John
Date Created: 2010
Subjects--Topical: Electrical engineering, Optics, System theory
Description: There is an active effort toward the development of negative index metamaterials for application in high-resolution imaging. In particular, engineering an artificial material exhibiting an index of exactly -1, may permit sub-wavelength imaging. Th...

Title: DESIGN, TOLERANCING, AND EXPERIMENTAL CHARACTERIZATION OF DYNAMIC FREEFORM OPTICAL SYSTEMS
Author: Shultz, Jason
Date Created: 2017
Subjects--Topical: Optics, Engineering, Physics
Description: Although freeform concepts have been considered for many decades, new fabrication capabilities have enabled new classes of optical components and sparked greatly increased interest in freeform optics. Generally defined as surfaces without rotation...

Title: Vortices in coherent and partially coherent optical beams
Author: Stahl, Charlotte
Date Created: 2018
Subjects--Topical: Optics
Description: Vortices in optical beams have been the subject of extensive study since their status as a generic feature of light was established. They have found extensive use in optical trapping systems, astronomy, microscopy and are being investigated for fr...

Title: Minimizing Task-Specific Uncertainty in CMM-Based Freeform Optics Metrology
Author: Uwakwe, Michael
Date Created: 2018
Subjects--Topical: Mechanical engineering, Optics, Metrology
Description: Measurements of surface form involve a comparison between the form of the test surface and a reference. In coordinate measuring machine (CMM) measurements, this reference is the machine geometry. The measurement results typically show a height map...

Title: A Novel Fluorescence Based Method of Assessing Subsurface Damage in Optical Materials
Author: Williams, Wesley
Date Created: 2009
Subjects--Topical: Mechanical engineering, Materials science, Optics
Description: Lapping and polishing are loose abrasive finishing processes that have been used to achieve critical surface parameters in optical materials for centuries. These processes remove material from the surface through a variety of mechanical and chemic...

Title: POSITIONING SENSOR BY COMBINING OPTICAL PROJECTION AND PHOTOGRAMMETRY
Author: Zheng, Benrui
Date Created: 2014
Subjects--Topical: Optics, Engineering, Remote sensing
Description: Six spatial parameters, (x, y, z) for translation, and pitch, roll, and yaw for rotation, are used to describe the 3-dimensional position and orientation of a rigid body - the 6 degrees of freedom (DOF). The ability to measure these parameters is ...