Wholesale K9 optical glass clear glasses manufacturers 30mm sapphire dome cemented fused silica sapphire optical lens
In the field of precision photonics, the 30mm Fused Silica Lens represents the pinnacle of material purity and thermal endurance. Unlike standard optical glasses, this lens is fabricated from high-grade synthetic fused silica, a material renowned for its near-zero coefficient of thermal expansion and exceptional transmission from the deep ultraviolet (UV) through the near-infrared (NIR) spectrum.
This specific 30mm diameter is an industry-standard size, optimized for integration into high-performance laser systems, medical diagnostic tools, and semiconductor inspection equipment where thermal stability is a non-negotiable requirement.
The manufacturing process involves meticulous cold-processing and super-polishing techniques. Because fused silica is significantly harder than crown glasses, creating this lens requires specialized diamond tooling and interferometric monitoring to ensure surface accuracy meets diffraction-limited standards.
| Materials | BK7 or other optical glass, quartz, sapphire, Ge, Si, ZnSe, CaF2 etc |
|---|---|
| Diameter | 1.5~300mm |
| Radius | R0.8mm-∞ |
| Focal length | -30000mm~+30000mm |
| Center thickness tolerance | +/-0.01mm |
| Diameter tolerance | +/-0.005mm |
| Focal length tolerance | +/-1% |
| Surface accuracy | N=1~3 |
| Irregularity | ΔN=0.1~0.5 |
| Decenter | 3''~1'' |
| Surface quality | 10/5~60/40 |
| Coating | Upon request |
| Application area | Imaging, Lighting, Laser etc |





Shanghai Advance Optical-Electronics Technology Co., Ltd. is a technology-based production enterprise, officially established in September 2009. The plant is located in Qingpu Industrial Park, Shanghai, only half an hour's drive from Shanghai Hongqiao International Airport.
The company gathers several excellent technicians in the optical industry and has comprehensive supporting capabilities including optical mechanical and electrical design, processing, and sales services. We provide high-quality and convenient products and services to each customer.
Optical mechanical and electrical module development, precision optical element processing, camera lens design and processing, optical design and optical path optimization solutions, technical consultation and after-sales service.
Machine vision, artificial intelligence, biomedical, smart city, high-end monitoring, testing instruments, equipment, laser etching, special lighting, scientific research institutions.