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Hanzhong Brisun Optics Co., Ltd. Is the high High precision optical element manufacturer provides customized production of Various optical lenses, including spherical lens, cylindrical lens, optical window, mirror, prism, filter, metal base mirror and other high-precision optical elements. The base materials include various optical glass, fused quartz, calcium fluoride (CaF2), zinc selenide (ZnSe), germanium (GE), silicon (SI), sapphire, metal and other materials. And provide antireflective film, high reflection film, spectroscopic film, metal film and other optical coatings.

Drum lens is a lens whose two ends are spherical and provide positioning surface along the optical axis direction. It is formed by grinding the outer circle on the basis of the spherical lens to facilitate card loading. It is more suitable for the propagation of light in optical communicationTechnical

parameters:
Material: optical glass, H-K9L (N-BK7)
Radius of curvature: ± 1mm - ± 50000mm ± 1%
Outer circle: 3mm-100mm ± 0.1mm
Center thickness tolerance: ± 0.05mm (we can process to ± 0.01mm with high precision)
Center deviation: 3′(we can process to 30 ″with high precision)
Surface accuracy: λ/ 8 (high precision, we can process to 1 / 10λ)
Surface quality: 60/40 (we can process to 10-5 with high precision)
Effective caliber: ≥90%
Coating: Coating: multilayer antireflective film


In addition, we have thousands of kinds of stock, such as quartz plano convex lens, quartz plano concave lens, quartz biconvex lens, quartz biconvex lens, cylindrical lens, prism, filters, windows, beamsplitter and so on. The price is preferential and the quality is excellent, which can meet your demand for a small order.

If you are interested it, welcome to inquiry us or search "Hanzhong Borisun Optics Co.,Ltd "to know about more details.