OLAN optics technology co.supply all kinds of the optical infrared components material from VIR, UV, NIR to IR application. Such as Germanium window, Germanium lens, Zinc Selenide lens, Zinc Selenide windows, Silicon lens, Silicon windows, Calcium Fluoride windows, Calcium Fluoride lens,. To manufacture custom design and coating.

Radius of curvature: +/-5.0mm ~+/-500mm

Centration: <3 arc minutes  

Clear Aperture: >90% 

Surface Figure: 1/4Lambda at 632.8 nm 

Surface Quality: 60-40 scratch and dig