LightPath 354453 | 6mm Dia., 0.55 NA, BBAR (350-700nm), Molded Aspheric Lens

Product Details Eliminate Spherical Aberration Multiple Coating Options Available Range of Numerical Apertures LightPath Geltech Molded Aspheric Lenses are used to eliminate spherical aberration and improve focusing and collimating accuracy in a variety of laser applications. Low NA aspheric lenses are designed to maintain beam shape, while high NA lenses gather all available light to maintain beam power over long distances. LightPath Geltech Molded Aspheric Lenses are ideal for applications including sighting systems, bar code scanners, laser diode-to-fiber coupling, optical data storage, or biomedical lasers. Specifications General Type: Aspheric Lens Typical Applications: Collimate or Focus Laser Light Compatible Window: Thickness: 0.28 (t) (mm) Material: BK7 Lightpath Lens Code: 354453 Physical & Mechanical Properties Diameter (mm): 6.00 ±0.020 Center Thickness CT (mm): 3.14 ±0.02 Edge Thickness ET (mm): 1.75 Clear Aperture CA (mm): 4.8 Bevel: Protective as needed Optical Properties Effective Focal Length EFL (mm): 4.60 @ 655nm Focal Length Tolerance (%): ±1 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More D-ZK3 f/#: 0.91 Numerical Aperture NA: 0.55 Abbe Number (v d ): 60.88 Index of Refraction (n d ): 1.586 Coating: BBAR (350-700nm) Coating Specification: R avg ≤0.5% @ 350 – 700nm Wavelength Range (nm): 350 – 700 Focal Length Specification Wavelength (nm): 655.00 Aspheric Design Wavelength (nm): 655 Working Distance (mm): 2.7 Surface Quality: 40-20 Transmitted Wavefront Error (λ, RMS): < 0.09 Conjugate Distance: Infinite Material Properties Coefficient of Thermal Expansion CTE (10 -6 /°C): 7.6 Environmental & Durability Factors Operating Temperature (°C): ≤200 Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 247: Compliant ×