Compton imaging excels at visualizing gamma rays in the range of several hundred
kiloelectronvolts to several megaelectronvolts. However, this technique has limitations in the …

In a pixelated detector, an electron cloud can be collected by and shared between several
adjacent pixels. By including these charge-sharing events, the Compton-imaging efficiency …

In the field of nuclear medicine, nuclear security and astrophysics, Compton imaging is a
promising technique for gamma-ray source imaging. We are developing a Compton imager …

High-energy gamma-ray imaging is an important technique with applications in homeland
security and medical imaging. Recent advancements in the cadmium zinc telluride (CdZnTe) …

Detection of electromagnetic radiation in the form of gamma rays provides a means to
discover the presence of nuclear sources and the occurrence of highly-energetic events that …

Compton imagers are promising tools for nuclear non-proliferation, astronomy, and medical
applications, but typically have a limited angular field-of-view and poor efficiency resulting …

3D-position-sensitive CdZnTe semiconductor detectors have demonstrated 4¿ Compton
imaging capability and excellent energy resolution at room-temperature operation. However …

The 18-detector array system consists of eighteen 20mm× 20mm× 15mm CdZnTe detectors.
In addition to spectroscopic capabilities, it has the ability to image gamma-ray sources with …

The three-dimensional position-sensitive CdZnTe detector is a novel room temperature
semiconductor gamma-ray spectrometer. It was initially developed to achieve good energy …

The dissertation presents work in gamma-ray imaging in the MeV range, 3D Compton
imaging, and time encoded imaging. The first thrust in high energy gamma-ray imaging …