Rotating laminar emission camera with Ge‐detector: Further developments | Zendy

Mauderli W. | Zendy; Fitzgerald L. T. | Zendy

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Rotating laminar emission camera with Ge‐detector: Further developments

Author(s) -

Mauderli W.,

Fitzgerald L. T.

Publication year - 1987

Publication title -

medical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.473

H-Index - 180

eISSN - 2473-4209

pISSN - 0094-2405

DOI - 10.1118/1.595981

Subject(s) - collimator , detector , laminar flow , optics , strips , image resolution , sensitivity (control systems) , noise (video) , physics , signal (programming language) , computer vision , artificial intelligence , computer science , engineering , electronic engineering , image (mathematics) , thermodynamics , programming language

A germanium (Ge) camera with laminar collimator–detector geometry, ROLEC, simulating a 195×195 mm 2 detection area, has been constructed and tested. The detector consists of five separate Ge blocks grooved into distinct electrical channels. Results show that ROLEC measuring times have to be about 3× greater than Anger camera measuring times to achieve a 5% signal‐to‐noise ratio with each device. Both spatial and energy resolution of the ROLEC exceed that of the Anger camera but sensitivity variations along the detector strips pose a significant problem in development of a clinically useful device.

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