An indirect conversion flat panel detector includes which of the following layers?

An indirect conversion flat panel detector is designed to capture and convert X-ray photons into an electrical signal using a specific configuration of layers, which is crucial for its function and performance in digital radiography. The correct answer includes a scintillation layer, a photodetective layer, and a thin-film transistor (TFT) layer.

The scintillation layer is typically made of materials like cesium iodide (CsI) or gadolinium oxysulphide, which absorb the X-ray photons and then emit visible light. This conversion is essential because cameras and digital sensors are more sensitive to visible light than to X-rays.

The photodetective layer is made up of materials such as amorphous silicon, which detects the light emitted by the scintillator. This layer plays a key role in converting the visible light into an electrical signal, which can then be processed to create a digital image.

Finally, the TFT layer acts as a readout mechanism, allowing the captured electrical signals to be efficiently transferred from the photodetective layer for image processing. This layer controls individual pixels to enhance image resolution and quality.

Understanding these layers helps in comprehending how indirect conversion flat panel detectors operate and their role in modern imaging techniques, making it