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Advanced fiber optic face plate quality detector design

A fiber optic face plate is defined by a plurality of fibers of transparent material that are fused and compressed together to transmit an image from one end to another end. Fiber optic face plates exhibit utility in the image intensifiers, cathoderay tubes, and other media displays. In this paper, the design of an advanced fiber optic face plate quality detector is presented. Modern optoelectronic imaging techniques are being used to form fiber optic plate transmission images that are suitable for analyzing the quality parameters of fiber optic face plate. The diffusing light from a halogen lamp is condensed by condenser lens then through a fiber optic face plate, a set of lenses are used to magnify the transmission image, a computer controls a long linear CCD to scan the transmission image, a data grabber captures the CCD's output data and the computer transforms the data into frame image for further analysis. Digital image processing techniques are adopted to analyze the transmission image to obtain the required quality parameters. The image analysis software combines the API that a company provided and programed API is used to acquire the quality parameter that a relevant criteria required. With the long linear CCD scanning and image analysis being computerized, it accomplishes the detection of quality parameters of fiber optic face plates automaticly. The detector can replace the manual detection method and can be widely used for the quality detection of fiber optic face plate. Manufacturers of fiber optic face plates can benefit from the detector for quality control.