Product Announcements:
Aspheric Lenses

Avantier manufactures custom Germanium lenses from precision-polished material for reliable performance in demanding infrared applications. Offering excellent durability, corrosion resistance, high refractive index, and low dispersion, our Germanium lenses are well suited for thermal imaging, IR sensing, analytical instruments, and harsh outdoor environments. Read more...

Avantier designs and manufactures infrared germanium aspheric lenses (5–400mm) for thermal imaging, surveillance, remote sensing, and IR spectroscopy. Combining germanium's broad 2–14 µm IR transmission with precise aspheric surfaces, these lenses correct aberrations while reducing element count and weight, with custom AR coatings available. Read more...

CASTECH provides high-precision aspherical lenses with advanced CNC polishing technology for laser systems, imaging equipment, and demanding optical applications from DUV to IR wavelengths. Read more...

Avantier designs custom aspheric lenses that minimize spherical aberration for improved optical performance. Materials include germanium for thermal imaging, lightweight plastics for AR/VR, and laser-grade substrates for precision collimation, supporting high image quality and compact system integration. Read more...

Freeform optics enable advanced optical systems with enhanced performance and flexibility. Avantier designs and manufactures custom freeform optics for advanced imaging, illumination, AR/VR, aerospace, quantum, defense, medical, and industrial systems. Capabilities include optical design, precision fabrication, coatings, metrology, and integration for compact, high-performance optical as... Read more...