Search results
-
-
Title
-
A SINGLE-PIXEL HYPERSPECTRAL IMAGING SYSTEM FOR CANCER MARGIN DETECTION
-
Author
-
Peller, Joseph
-
Date Created
-
2018
-
Subjects--Topical
-
Optics, Physics
-
Description
-
We have developed a hyperspectral imaging (HSI) system based on a single pixel camera design to detect differences in tissue properties based on the optical reflectance and autofluorescence spectra of the tissue. The long-term goal of this project...
-
-
Title
-
CHARACTERIZATION OF LIGHT-META STRUCTURE INTERACTIONS
-
Author
-
Chandra, Nitish
-
Date Created
-
2018
-
Subjects--Topical
-
Optics, Physics
-
Description
-
The advent of metamaterials has increased the complexity of possible light-matter interactions, creating gaps in knowledge and violating various commonly used approximations and rendering some common mathematical frameworks incomplete. Our forward...
-
-
Title
-
FIBER BASED TOOLS FOR POLISHING OPTICAL MATERIALS
-
Author
-
Shahinian, Hossein
-
Date Created
-
2018
-
Subjects--Topical
-
Mechanical engineering, Optics
-
Description
-
In this dissertation, the development of alternative fiber based polishing tools for the finishing of precision freeform and aspherical optics is introduced. Freeform and aspherical optics, i.e. optics with varying radius of curvatures (ROC), are ...
-
-
Title
-
FOCUSING, IMAGING AND RESONACE PROPERTIES OF MICROPHOTONICS STRUCTURES AND DEVICES
-
Author
-
Abolmaali, Farzaneh
-
Date Created
-
2018
-
Subjects--Topical
-
Optics
-
Description
-
Structures and devices built using microspherical building blocks attract significant attention in recent years due to an extraordinary high-quality factor (Q>106) of whispering gallery modes in dielectric microspheres and due to their ability to ...
-
-
Title
-
FREEFORM MEASUREMENT WITH STITCHING TALBOT INTERFEROMETER
-
Author
-
Furukawa, Yasunori
-
Date Created
-
2018
-
Subjects--Topical
-
Optics
-
Description
-
Freeform optics are being used in many fields to realize the outstanding performance due to their high degree of freedom. To realize sufficiently high performance, it is necessary to manufacture the freeform surface with high accuracy, which requi...
-
-
Title
-
Improving Thulium Fiber Laser Lithotripsy Efficiency
-
Author
-
Hardy, Luke
-
Date Created
-
2018
-
Subjects--Topical
-
Optics
-
Description
-
Kidney stone disease affects approximately 10% of the U.S. population. Conventional Holmium:YAG infrared laser lithotripsy is a standard minimally invasive treatment that operates based on a photothermal interaction with the main chromophore in ti...
-
-
Title
-
LOW UNCERTAINTY SURFACE AREA MEASUREMENT USING DEFLECTOMETRY
-
Author
-
Pouya Fard, Ali
-
Date Created
-
2018
-
Subjects--Topical
-
Optics, Engineering, Metaphysics
-
Description
-
Deflectometry has been introduced as a viable alternative to interferometric measurement of specular freeform optical surfaces. Deflectometry measurements show high repeatability; however, due to the errors remaining after the calibration and data...
-
-
Title
-
Metasurfaces for Field Control and Detection
-
Author
-
Rosenbury, Christopher
-
Date Created
-
2018
-
Subjects--Topical
-
Optics, Nanoscience, Physics
-
Description
-
Metasurfaces have been of increasing interest in the scientific community due to their consistent ability to efficiently reproduce traditional optical elements via quasi-monolithic patterning. In this dissertation I will examine various metasurfac...
-
-
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
-
Propagation properties of Hermite non-uniformly correlated beams in turbulence
-
Author
-
Gbur, Greg, Yu, Jiayi
-
Date Created
-
2018
-
Subjects--Topical
-
Physics, Optics
-
Description
-
We study the propagation properties (intensity, degree of coherence and scintillation) of a new class of beams in a turbulent atmosphere, which are called Hermite non-uniformly correlated (HNUC) beams. The results show that the beams not only have...
-
-
Title
-
Rectangular Hermite non-uniformly correlated beams and its propagation properties
-
Author
-
Gbur, Greg, Yu, Jiayi, Cai, Yangjian
-
Date Created
-
2018
-
Subjects--Topical
-
Physics, Optics
-
Description
-
We introduce a new class of non-uniformly correlated beams that are called rectangular Hermite non-uniformly correlated (RHNUC) beams, which possess rectangular symmetry in their degree of coherence. It is shown that, in free space and in turbulen...
-
-
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...