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86-755-82924037Precision polishing aspherical lens uses CNC ultra-precision aspherical machining machine, processing accuracy ≤0.05 microns. It uses diamond tools, under the condition of precise control of the machine tool and processing environment, to achieve ultra-precision grinding of optical aspherical plastic domain, directly grinding out high precision aspherical lens that meets the optical quality requirements. The ultra-high precision correction polishing technology is used to polish the lens surface, and the optical aspherical surface shape accuracy is less than 0.1 micron, and the surface roughness Ra is less than 0.01 micron.
Precision Polishing Aspherical Lens product parameter table | |||
Project | Indicator requirements | ||
1.Material | Use various materials such as optical quartz, optical glass, infrared lens, etc. | ||
2. Diameter | OD≤300mm | ||
3. Center thickness | according to customers needs | ||
4. Effective focal length | according to customers needs | ||
5. Working distance | according to customers needs | ||
6. Design wavelength | 430~633nm, 630~780nm, 1550~1620nm | ||
8.Coating | AR anti-reflection coating R<0.2% @λnm according to customer requirements | ||
9. Eccentricity | according to customers needs | ||
10. Effective aperture | ED>80% aspheric area | ||
11. Surface shape | Ultra high precision Rt≤0.1μm, high precision Rt≤0.5μm, precision Rt≤1μm | ||
12.Surface quality | 60-40, 40-20, 20-10, 10-5 |
One-stop customized production: Tianyanggu Company processes various plano-convex, biconvex, and convex-concave structure spherical lenses according to customer requirements. The lens shape can be circular, D-shaped, square, trapezoidal, etc. For more custom aspherical lenses, contact Solar Valley.
Material: Use optical quartz, optical glass and other materials.
Lens properties: uniform light spot, clear projection, complete specifications, aerospace quality
Product indicator description:
1. Maximum dimensions of circular spherical lens: OD≤φ300mm
2. Maximum dimensions of square spherical lens: ≤210×210mm
3. Spherical lenses can reach the following accuracy levels according to customer requirements:
Ultra high precision grade: surface error <0.1μm, surface roughness <0.01μm
High precision grade: surface error <0.5μm, surface roughness <0.05μm
Precision grade: surface shape error <1μm, surface roughness <0.1μm
Surface defect grade: 60-40, 40-20, 20-10, 10-5. Produced according to customer requirements.
Coating: Coating according to customer requirements.