Chalcogenide Aspherical Molded Lens

Chalcogenide Aspherical Molded Lens

It is a cost-effective infrared optical element formed in one step via precision molding by leveraging the low softening point property of chalcogenide glass. It enables athermal design of infrared imaging systems and serves as a core lens for lightweight, low-cost mass production in scenarios such as vehicle night vision, security monitoring and industrial temperature measurement.We provide customers with services covering chalcogenide glass melting, spherical and small-ball preform processing, as well as precision molding and coated products. Currently four grades of chalcogenide glass are available: WIRG02, WIRG04, WIRG05, WIRG06, which can be fabricated into products of various forms.


Product Detail

Product Tags

Project Capability
Outer Diameter Chalcogenide:Φ5mm-Φ25mm
Outer Diameter Tolerance ±0.005mm
Center Thickness Tolerance ±0.05mm
Surface RMS Figure Error ≤0.1um
Surface Irregularity (AS) ≤0.1um
Irregularity PV ≤0.3um
Surface Decenter ≤5um
Surface tilt ≤90″
Coating / Appearance As per customer requirements




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    Wavelength has been focused on providing high precision optical products for 20 years