LUMINA meniscus lenses feature one convex and one concave surface, designed to reduce spherical aberration and improve focusing or beam expansion performance.
They are widely used in laser systems, imaging equipment, and precision optical experiments.
Custom materials, dimensions, curvature, and coatings are available.
Material: H-K9L, N-BK7, fused silica, CaF₂, ZnSe, etc.
Diameter：0.5mm—300mm
Diameter tolerance：±0.1mm to±0.02mm
Focal length range：-200mm to +1500mm(Typical)
Focal length tolerance：±1% to±0.5%
Centration：< 3 arc min to <10 arc sec
Clear aperture：>85% to >95%
Surface quality：MIL 60-40 to MIL 10-5
Surface accuracy:up toλ/10, Ra < 5 nm
Coating options: AR coatings or custom coatings upon request
Specifications may vary depending on lens geometry, diameter, focal length, and material.
Corrects spherical aberration
Enhances focusing or beam expansion
Fully customizable materials and coatings
Lasers
Imaging
Research systems
