Aspheric Lenses
Aspheric lenses are widely used in various optical systems to achieve a high level of performance with a minimal number of optical elements.
Available Lens Types:
· Single-sided aspheric lenses
· Bi-aspheric lenses
· Off-axis aspheric lenses
For glass and quartz materials:
(typically SCHOTT, OHARA, or CDGM)
The possible diameter range is 10mm to 300mm, with a minimum concave radius of 50mm.
For IR materials:
(ZnS, ZnSe, Ge, Si)
The possible diameter range is 2mm to 140mm.
Manufacturing Process:
CNC grinding, CNC polishing, diamond turning, MRF, IBF
Quality Assurance:
Optical metrology, including surface profilometry and interferometry to verify specifications are met. With 100% inspection on all optical components during the manufacturing process. Inspection reports are provided.
· Contact Measurement: Taylor Hobson Pgi1250 Profiler
Maximum measurable aperture: 200mm
Maximum measurable aperture: 200mm
· Non-contact Measurement: Lupho Scan
Fast non-spherical optical non-contact 3D interferometric scanning, with a maximum measurable diameter of 420mm and a measurement accuracy of ±50nm
Fast non-spherical optical non-contact 3D interferometric scanning, with a maximum measurable diameter of 420mm and a measurement accuracy of ±50nm
· Interferometer Measurement: 6-inch Aperture Stitching Interferometer (SSI)
Maximum measurable aperture: 300mm, with a spherical aberration of less than 0.12mm
Maximum measurable aperture: 300mm, with a spherical aberration of less than 0.12mm
· CGH Inspection: Custom designed for different lenses
Manufacturing Capability:
· Diameter: 5.0mm to 300.0mm
· Minimum Radius of Curvature: Convex 10mm; Concave 50mm
· Materials: Optical glass, quartz glass, Germanium (Ge), Silicon (Si), Zinc Sulfide (ZnS), Zinc Selenide (ZnSe)
Manufacturing Tolerances:
· Diameter Tolerance: +0.00 / -0.02mm
· Surface Quality: 20/10
· Radius of Curvature (Convex): 10mm – ∞
· Radius of Curvature (Concave): 50mm – ∞
· PV (Peak-to-Valley): λ/10 @ 633nm