CCD sensors, or Charge-Coupled Devices, are electronic components used in cameras and imaging devices to capture light and convert it into electrical signals. They consist of an array of tiny light-sensitive cells that collect photons, which are then transformed into digital images. CCD sensors are known for their high image quality and sensitivity, making them popular in professional photography and scientific applications. These sensors work by transferring the collected charge across the chip and converting it into a voltage signal. This process allows for high-resolution images with low noise levels. CCD sensors are commonly found in digital cameras, telescopes, and medical imaging equipment.