Product Description

FOCtek offers dielectric coated mirrors and metal coated mirrors which are made of substrate such as Bk7,K9, Fused Silica, Sapphire and so on.
 
Specification of FOCtek mirror :
Material :BK7, K9, Fused Silica, etc.
Typical Diameter (Фmm): *0.0, *2.7, *5.0, *0.0, *5.4, *0.0, *0.8, etc.
Diameter Tolerance (mm): *0.0/*0.2 (General), *0.0/*0.*2 (High Precision)
Typical Thickness (mm): 2.0, 3.0, 6.0, 6.*5
Thickness Tolerance (mm):±0.2 (General),±0.**5 (High Precision)
Clear Aperture: >*0% (Small Size), >*5% (Large Size)
Flatness (* *@********************>λ(General),λ/*0 (High Precision)
Incidence Angle:*0 or **0
Surface Quality:*0/*0 (General), *0/5 (High Precision)
Parallelism:3 min. (General), 3 sec. (High Precision)
Bevel (face width x **0):<0.*5mm
Coating :Dielectric coated AR, HR, PR or metal coated Al, Ag, Au etc.