FILTER FOR USE IN FLUORESCENCE ENDOSCOPE

• Main Authors: WANG, Zhonglian, ZHAO, Shuaifeng, HUANG, Hongyu, YANG, Wenhua, YIN, Xiaojun, BAN, Chao, REN, Shaopeng, GAO, Peng
• Format: Patent
• Language: Chinese; English; French
• Published: 27.04.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; TESTING

A filter (5) for use in a fluorescence endoscope, consisting of a K9 glass substrate and a wide-transmission-band deep-background negative filter film system. Under an incident condition, the wide-transmission-band deep-background negative filter film system has the following features: a wavelength...