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新颖镀膜的球状透镜和鼓形透镜镀有增透膜的新型球状透镜和鼓形透镜在600nm~1050nm近红外区具有≥99.5%的透射率。这种透镜具有均匀的膜层,排除了取适当方向固定这些透镜的问题。这种透镜均采用BK7和LaSFN9光学玻璃制作。鼓形透镜尺寸为2.0mm×2.5mm~4
Novel Coated Spherical Lenses and Drum Lenses New spherical and drum lenses coated with an antireflection coating have a transmission of ≧ 99.5% in the near-infrared region of 600 nm to 1050 nm. This lens has a uniform film, eliminating the need to fix these lenses in the proper direction. The lenses are made of BK7 and LaSFN9 optical glass. Drum lens size 2.0mm × 2.5mm ~ 4