Method and device for detecting surface defects of optical fiber image transmitting element

• Main Authors: DU YAJIE, JIAO PENG, WANG YUN, FU YANG, HUANG YONGGANG, WANG JIUWANG
• Format: Patent
• Language: Chinese; English
• Published: 27.09.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to a method and a device for detecting defects on the surface of an optical fiber image transmitting element. The detection method comprises the following steps: carrying out micro-area partitioning on a test surface of the optical fiber image transmitting element; performing reflected light imaging on each micro area from different angles to obtain a plurality of first images of the micro areas; gray value processing is carried out on the first image, invalid images are eliminated, and a second image is obtained; splicing the second image into a grey value image of the surface of the optical fiber image transmitting element; and evaluating the grey value image according to the technical standard of the surface defects of the optical fiber image transmitting element, and determining whether the surface of the optical fiber image transmitting element has the defects or not. The technical problem to be solved is to realize standardization and automation of inspection of the optical fiber i