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Frontiers In Undergraduate Research Poster Session (view source)
Revision as of 20:26, 13 February 2008
, 20:26, 13 February 2008→Abstract
== Matthew Demas ==
== Matthew Demas ==
=== Abstract ===
=== Abstract ===
The goal of this study is to effectively map the surface of a synthetic diamond wafer that is to be used in the beam line at the GlueX experiment at Jefferson National Laboratory. The topology of the diamond surface is ``hidden'' within an interferogram produced by a Michelson interferometer. While most interferograms feature interactions by only two surfaces, our pattern is the result of the superposition of three waves. As a result of this additional wavefront, conventional techniques could not be utilized. Instead a simulated annealing algorithm, which is a method used in general optimization problems, entitled ParSA was called upon. Currently, work is being done to ``tune'' the algorithm to best fit the problem at hand. Preliminary analyses on 50 pixel by 50 pixel test interferograms has provided promising results with solutions being reached within a 24 hour period. Future tests on larger intereferograms are being planned, with runs on the actual 400 pixel by 400 pixel interferogram as the final goal.
The goal of this study is to effectively map the surface of a synthetic diamond wafer that is to be used in the beam line at the GlueX experiment at Jefferson National Laboratory. The topology of the diamond surface is ``hidden`` within an interferogram produced by a Michelson interferometer. While most interferograms feature interactions by only two surfaces, our pattern is the result of the superposition of three waves. As a result of this additional wavefront, conventional techniques could not be utilized. Instead a simulated annealing algorithm, which is a method used in general optimization problems, entitled ParSA was called upon. Currently, work is being done to ``tune`` the algorithm to best fit the problem at hand. Preliminary analyses on 50 pixel by 50 pixel test interferograms has provided promising results with solutions being reached within a 24 hour period. Future tests on larger intereferograms are being planned, with runs on the actual 400 pixel by 400 pixel interferogram as the final goal.