This work presents a novel stereo coded aperture gamma camera based on four detection
modules placed within four quadrants. Each module includes 48× 48 strips of Bi 4 Ge 3 O 12 …

In the fields of radiation environment monitoring and unknown radioactive materials search,
locating the far-field gamma-ray sources with high accurate coordinates is an important and …

Imaging is an effective way to survey gamma radiation hotspots in nuclear safety, public
health and homeland security applications. The existing gamma imagers either equip a …

Gamma hotspots imaging is of dramatic demand in nuclear-related industrial and homeland
security activities such as nuclear facilities monitoring, nuclear emergency response and …

Gamma imager capable of monitoring, detection and localization of radioactive sources is of
critical importance for nuclear safety and homeland security with the increasing use of …

A new compact gamma camera was developed to detect and image gamma-emitting
radioactive sources in large area. The gamma camera consists of a tungsten coded-aperture …

Gamma camera is a useful device to monitor various radiation sources in a wide range of
areas at nuclear facility. To localize and identify radiation sources in large area, angular …

(1) Background: Gamma cameras have wide applications in industry, including nuclear
power plant monitoring, emergency response, and homeland security. The desirable …

A portable stereo gamma camera has been built, based on two hybrid pixelated detectors,
each of them comprising a 1 mm thick CdTe substrate bump-bonded to the Timepix readout …

Three-dimensional-position-sensitive semiconductors record both the locations and
energies of gamma-ray interactions with high resolution, enabling spectroscopy and …