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Implementation of digital multiplexing for high resolution X-ray detector arrays.

P Sharma¹, S N Swetadri Vasan, A H Titus

¹Electrical Engineering Department and Toshiba Stroke Research Center at University at Buffalo, The State University of New York, Buffalo, NY 14260-1920, USA. psharma4@buffalo.edu

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

|February 1, 2013

Summary

A novel Multiple Module Multiplexer (MMMIC) enables larger fields of view for electron multiplying charge coupled device (EMCCD) x-ray detectors. This system allows for high-resolution imaging and extensible fields of view in x-ray detection systems.

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Area of Science:

Medical Imaging
Detector Technology
X-ray Imaging

Background:

X-ray imaging systems require larger fields of view (FOV) and high-resolution capabilities for regions-of-interest (ROI).
Existing technologies face limitations in achieving both extended FOV and ROI high-resolution imaging simultaneously.

Purpose of the Study:

To introduce and demonstrate the novel Multiple Module Multiplexer (MMMIC) for a 2x2 array of electron multiplying charge coupled device (EMCCD) based x-ray detectors.
To enable extensible FOV and high-resolution ROI imaging in x-ray detection systems.

Main Methods:

A two-stage configuration using three identical MMMICs was implemented to acquire and multiplex data from a 2x2 array of EMCCD detectors.
The first stage utilized two MMMICs, each handling data from two EMCCD detectors.
The second stage employed a single MMMIC to receive multiplexed data from the first stage, producing final 12-bit multiplexed data from all four modules.

Main Results:

Successful acquisition and multiplexing of data from a 2x2 array of EMCCD detectors were achieved using the described MMMIC configuration.
The system demonstrated the capability for both extended FOV and high-resolution ROI imaging.
Final 12-bit multiplexed data was transmitted via a high-speed Camera Link interface.

Conclusions:

The novel MMMIC effectively addresses the need for extensible FOV and high-resolution ROI imaging in EMCCD-based x-ray detector arrays.
The demonstrated two-stage configuration successfully multiplexes data from multiple detectors, validating the MMMIC's potential for advanced x-ray imaging applications.