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Design and Characterization of a Novel Near Field Detector for Three Dimensional X-ray Diffraction

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dc.contributor.advisor Kycia, Stefan Annett, Scott 2015-09-03T13:58:45Z 2015-09-03T13:58:45Z 2015-07 2015-08-28 2015-09-03
dc.description.abstract Three dimensional x-ray diffraction microscopy (3DXRD) is a powerful technique that provides crystallographic and spatial information of a large number of grains in a sample simultaneously. A key component of a 3DXRD experiment is the near field detector which provides high resolution spatial information. A novel design for a near field detector was developed and characterized. This design, called the Quad Near Field Detector, utilizes four quadrants, each with a dedicated scintillating phosphor and optical microscope. A novel translation stage for focusing the microscopes was developed, tested, and implemented. The near field detector was calibrated and characterized at the Cornell High Energy Synchrotron Source. A flood field correction was developed for the detector to correct for variations in intensity response. The smallest diffraction spot resolved by the detector was 5.2 micron FWHM. A ruby single crystal standard was used to refine the parameters of the near field detector. Diffraction data of all four quadrants was able to reproduce the crystal orientation of the ruby calibrant. In conclusion, the design and implementation of the Quad Near Field Detector was a success and will be a useful tool for future 3DXRD experiments. en_US
dc.language.iso en en_US
dc.title Design and Characterization of a Novel Near Field Detector for Three Dimensional X-ray Diffraction en_US
dc.type Thesis en_US Physics en_US Master of Science en_US Department of Physics en_US
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