Audited Supplier
General
We can mass-produce various high-precision optical components, including spherical, flat, prism, cylindrical, and aspherical elements, covering a range from visible light to infrared wavelengths. The materials used include standard optical materials, infrared materials, silicon carbide, and various optical crystals. For infrared materials, processing is equipped with ultra-precision single-point diamond turning lathes, capable of machining materials like germanium, silicon, and sulfide with a maximum diameter of φ440mm. The company offers complete solutions for the CNC processing, inspection, and manufacturing of optical aspheres in the visible light range, with capabilities to produce secondary, higher-order, coaxial, and off-axis aspherical optical parts with diameters up to φ800mm. Additionally, it can design and manufacture various large aspheric primary and secondary mirror systems with different technical specifications, achieving surface shape accuracy at an industry-leading level.
1. High-precision lenses
1.1 Visible light lenses
Material types: Fused silica, crown glass, flint glass, crystals, and various colorless glasses.
- Surface accuracy: PV better than λ/15, RMS better than λ/100.
- Diameter range: φ5mm to φ200mm.
- Coating types: Various anti-reflective coatings, beam-splitting coatings, etc.
1.2 IR lenses
- Material Types: Single-crystal germanium, single-crystal silicon, zinc selenide (ZnSe), zinc sulfide (ZnS), barium fluoride (BaF2), magnesium fluoride (MgF2), chalcogenide glass, and various other infrared materials.
- Surface Accuracy: PV better than λ/10, RMS better than λ/70.
- Diameter Range: φ5mm to φ200mm.
- Coating Types: Various anti-reflective coatings (including DLC coatings), beam-splitting coatings, etc.
2.High-precision prisms
- Surface Accuracy: PV better than λ/10 (visible light).
- Angle Accuracy: ≤2".
- Coating Types: Various anti-reflective coatings, beam-splitting coatings, reflective coatings (metallic, dielectric), etc.
3.High-Precision Aspheres
3.1 Visible Light Aspheres
- Material Types: Microcrystalline, quartz, K9, ULE, SIC, and other materials.
- Surface Accuracy: Visible light materials PV better than λ/7 or RMS better than λ/80.
- Aspherical Types: Various secondary aspheres, higher-order aspheres, and freeform surfaces including hyperboloids, parabolas, and ellipsoids.
- Diameter Range: Up to φ800mm.
3.2 Infrared Aspheres
- Material Types: Single-crystal silicon, single-crystal germanium, zinc selenide (ZnSe), zinc sulfide (ZnS), chalcogenide glass, aluminum, and other materials.
- Surface Accuracy: Rt ≤ 0.2μm.
- Aspherical Types: Various secondary aspheres, higher-order aspheres, diffraction surfaces, and freeform surfaces including hyperboloids, parabolas, and ellipsoids.
- Diameter Range: Up to φ440mm.
Our workshop
Xi'an Zhongke Lead IR-Tech Co., Ltd established in 2015, is a Research type enteprise based on intelligent electro-optical equipment and infrared thermal imaging technology, incubated by Xi'an Institute of Optics and Precision Mechanics of China Academy of Sciences.
Lead IR-Tech has three core centers: Photoelectric equipment integration, precision optical processing, and specialized lens calibration. They are equipped with over 400 advanced devices, including CNC polishing machines, photoelectric, coordinate measuring machines, interferometers, and photoelectric system testing systems. This enables LEAD IR-TECH to achieve the full process of design, processing, integration, and testing of photoelectric products.
