Materials: monocrystalline germanium, monocrystalline silicon, zinc selenide (ZnSe), zinc sulfide (ZnS), Barium fluoride (BaF2), magnesium fluoride (MgF2), chalcogenide glass and other infrared materials.

Surface accuracy: PV better than λ/10, RMS better than λ/70.

Aperture range: Φ5mm～Φ200mm.

Coatings: various anti-reflection films (incl DLC films) and spectroscopic films, etc.