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Bk7 Spherical Lenses are useful for a wide range of applications. Bk7 plano-concave, bi-concave, meniscus, plano-convex and bi-convex lenses are manufactured to exacting Shanghai Optics Laser Quality surface figure and surface quality specifications.This high standard of quality provides exceptional performance in demanding applications. For high energy laser applications.These spherical singlet lenses are manufactured from Bk7 and can be supplied AR coated or uncoated.

Factory Standard

  • Substrate Material: Bk7 glass
  • Shape: Spherical P-Concave, P-Convex, Bi-concave, Bi-convex, Concave-Convex or Aspheric
  • Surface Figure:  l/10 at 633nm before coating
  • Surface Quality: 10-5 Shanghai Optics Laser Quality
  • Dimensional Tolerance: + 0.00mm, – 0.1mm
  • Thickness Tolerance: +/- 0.1mm
  • Chamfer: 0.15mm at 45° typical
  • Concentricity: 0.05mm
  • Focal Length Tolerance: +/- 0.5% typical
  • Clear Aperture: Exceeds central 85% of dimension

Contact us for manufacturing limit or custom specifications.

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