High-signal-to-noise-ratio near-infrared band-pass filter applied to fluorescent endoscope

• Main Authors: LIU BOWEN, GUO ZHISHUAI, BAI HAOYU, DONG MING, CHEN YIFAN, LI XIN, QIN RUI, FEI SHUGUO, HUANG HONGYU, YAO CHUNLONG
• Format: Patent
• Language: Chinese; English
• Published: 24.03.2023
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

The utility model relates to the field of physical and medical devices, in particular to a high-signal-to-noise-ratio near-infrared band-pass optical filter applied to a fluorescent endoscope, which comprises a glass substrate and a plurality of light-transmitting film groups with single sides attac...