We can manufactrure flat/concave/convex Mirror,Hot/cold Mirror,Laser Mirror Dielectric Mirror,Metal Coated HR Mirror and Hyperbolical Mirror.
The specification as follow:
Material:Bk7 A glass,Quartz,CaF2 or crystals.
Dia tolerance:+/-0.1mm
Squares/Rectangles:1mm~110mm+/-0.2mm
Center thickness tolerance:+/-0.1mm
Surface quality:60-40~20/10
Surface flatness:λ/10inch@632.8nm