Curved surface detector and calibration and preparation method thereof

The invention relates to a curved surface detector and a calibration and preparation method thereof. The curved surface detector comprises an image transmitting optical fiber bundle which comprises a first end face and a second end face, the first end face is a curved surface and used for receiving optical information, the second end face is attached to a light receiving face of a plane detector, and the image transmitting optical fiber bundle is used for transmitting the optical information to the plane detector; the plane detector is used for receiving the light information transmitted by the image transmitting optical fiber bundle; the collimation system comprises a light source system, a beam splitter prism, a target camera and a lens combination, the lens combination comprises a first convex lens, the beam splitter prism is arranged among the light source system, the target camera and the first convex lens, and the light source system and the target camera are located at the transverse focus position and