Masters Thesis: Design and Testing of a New Conical Beam Precession System for High-throughput Electron Tomography
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Thesis: Master of Science in Bioengineering ...
Thesis: Master of Science in Bioengineering
University of California, San Diego, 2008
In this work, a new conical electron beam control system was designed and tested
on the following 3D imaging applications: high speed tomographic data acquisition
without need for specimen tilt, enhancement of single axis tilt tomography with
additional beam tilting, and object precession. Since tilting the beam requires only
modification of current to deflection coils, the speed of beam tilt far exceeds
mechanical tilting. Beam deflection also gives higher precision of changes in angle
than mechanical tilt. Results are presented for each imaging application.
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