March 2, 2024
150mm Lightweight Zerodur Mirrors
Our processing case showcases a 150mm coaxial aspherical primary mirror, meticulously crafted from Zerodur. Its precise aspherical design effectively eliminates optical aberrations, ensuring clarity and accuracy in imaging. This primary mirror, subject to precision machining and strict quality control, achieves high standards in surface accuracy and optical performance. With its moderate diameter, it is well-suited for medium-scale observation and imaging needs. It boasts excellent stability and durability, meeting long-term observational demands. This optical component is widely used in observatories, research institutions, and by astronomy enthusiasts for astronomical observation, astrophotography, and optical imaging, among other applications.
The main technical specifications include: 1) Surface accuracy: RMS ≤ 0.02λ at 632.8nm, PV ≤ 0.1λ at 632.8nm; 2) Component thickness uniformity: error ≤ 1 arcminute; 3) Post-coating reflectivity: reflectance ≥ 99%; 4) Component application: for use in space satellites.
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Machining
Processing - CNC Machining
The CNC machining stage is crucial in shaping and setting the initial precision of optical components, laying the groundwork for later polishing and finishing. We conduct thorough inspections throughout and after the process to ensure all specifications are met.
Grinding
Processing - Grinding
Grinding involves using abrasives of varying grits to remove substantial material from the blank, approximating the final shape and reducing surface roughness. This crucial step ensures component precision and optical performance, requiring precise control over factors like abrasive type, pressure, and speed, setting the stage for subsequent polishing.
Polishing
Processing - Polishing Stage
We utilize a variety of advanced polishing techniques, including CCOS small tool polishing, robotic polishing, Ion Beam Figuring (IBF), and Magnetorheological Finishing (MRF). By integrating these sophisticated methods, we ensure our optical components achieve the ultra-precise surface accuracy required during the cold working process, meeting the stringent demands of high-end optical applications.
Metrology
If you cannot measure it, you cannot make it
The packaging and shipping stage for ultra-precision optical components is a process that requires extreme care and meticulous handling. To ensure the optical components you receive remain intact during transit, we pay great attention to every detail.
Shipment
Packaging and shipping, every details matters
As your trusted partner in precision optical solutions, Yudi excels not only in the field of precision optics manufacturing but also works tirelessly with customers to explore optical applications.
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