K9 Ball lens

Fused quartz Ball lens

 

  • Ball lens is an important optical element, which is mainly made of optical glass and other materials. It is used for the coupling between optical fibers, between laser and optical fiber, and between optical fiber and detector, or for the collimation of optical fiber beam in thin film filtered dense wavelength division multiplexer.
  • Spherical lens is also called glass bead. It is a solid or hollow glass bead with a diameter of several microns to tens of microns. Its application fields involve various departments such as chemical industry, military industry, aerospace, transportation, petroleum, light industry, medical treatment and so on. It has the characteristics of good surface finish, good light reflection, directional reflection, high impact strength, chemical stability, light bulk weight and so on.
Technical parameters
Items Parameters
Material optical glass, H-K9L (N-BK7)
Radius of curvature ± 1mm - ± 50000mm ± 1%
Diameter 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 40/20 (we can process to 10-5 with high precision)
Effective caliber ≥92%
spectral curve

In addition, we have thousands of stock of K9 plano convex lens, biconvex lens, plano concave lens, biconvex lens, meniscus lens and so on. The price is preferential and the quality is excellent, which can meet your demand for a small order. 

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