2.5mm Diameter, N-BK7 Ball Lens

Product Details Can be Used as Fiber Coupling Spheres or Collimating Lenses Ideal Pre-Forms for Aspheric Lenses Available in a Variety of Sizes TECHSPEC N-BK7 Half-Ball Lenses Also Available TECHSPEC N-BK7 Ball Lenses are glass spheres commonly used in fiber optic applications. Ball lenses are excellent optical components for improving signal coupling between fibers, emitters, and detectors. They are also used in endoscopy, bar code scanning, ball pre-forms for aspheric lenses, and sensor applications. TECHSPEC N-BK7 Ball Lenses are uncoated and are optimal for wavelengths 350-2200nm. If applications require a more compact design, TECHSPEC N-BK7 Half-Ball Lenses are also available. Specifications General Type: Ball Lens Physical & Mechanical Properties Diameter (mm): 2.50 Diameter Tolerance (μm): ±2.5 Optical Properties Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More N-BK7 Index of Refraction (n d ): 1.517 Coating: Uncoated Wavelength Range (nm): 350 – 2200 Sphericity (μm): 0.625 Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 247: Compliant ×