Please fill the form to let us know your need.
Our sales will get in touch with you ASAP.
Silicon (Si) circle IR blanks are high-purity silicon discs, essential for manufacturing optical components in the infrared spectrum. These blanks are predominantly used in creating lenses and mirrors for IR applications such as telecommunications, security systems, and infrared spectroscopy, leveraging silicon's outstanding optical properties and thermal stability.
Material | Si | |||||
Specification | Customized | |||||
Diameter Tolerance | ≤0.03mm | |||||
Curvature Radius | △Sag<0.005 | |||||
Center Thickness Tolerance | ≤0.025mm | |||||
Edge Thickness | ≤0.03mm | |||||
Surface Quality | 40/20 | |||||
Transmittance | 1.AR ≥97% 2.DLC+AR≥90% | |||||
Surface | N<2 △N<1 | |||||
Flatness | <10μm | |||||
Decentration | 1.Window<30′2.Lens<1.5′ |