The advantages of CZT (cadmium zinc telluride) in CT photon counting mainly include:

The advantages of CZT (cadmium zinc telluride) in CT photon counting mainly include:
 
- High resolution: Photon-counting detectors made of CZT material have high resolution, enabling them to capture finer image details.1
 
- Fast response: CZT detectors feature rapid response, allowing real-time capture and processing of X-ray photons, which improves imaging speed.1
 
- Rich energy information: CZT detectors can carry abundant energy information, making CT examinations more accurate and safe.1
 
- Improved X-ray photon utilization efficiency: CZT detectors can eliminate electronic (background) noise, enhancing the utilization efficiency of X-ray photons.1
 
- Enhanced iodine signal intensity: CZT detectors can strengthen the intensity of iodine signals, which is particularly important for CT examinations requiring contrast agents.1
 
- Elimination of diaphragms to prevent fluorescence crosstalk in front of the detector: CZT detectors do not require physical diaphragms between pixel units, eliminating imaging dead spots on each detector pixel unit. This improves the useful imaging area and the imaging detection efficiency of the detector.1
 
- Higher spatial resolution: Owing to the removal of physical diaphragms, CZT detectors can achieve higher spatial resolution, aiding in the detection of smaller lesions.1
 
- Multi-energy spectrum imaging: CZT detectors can divide X-ray photons into four or more separate energy level bins, enabling true multi-energy spectrum imaging. This provides more diagnostic information for CT examinations.1
 
In summary, the advantages of CZT in CT photon counting are mainly reflected in its high resolution, fast response, rich energy information, etc. These advantages make CT examinations more accurate and safe, and broaden the clinical applications of CT.