12 Oct 2009 FOCtek offers dielectric coated mirrors and metal coated mirrors which are made of substrate such as Bk7,K9, Fused Silica, CaF2 , Sapphire and so on. Specification of FOCtek mirror :
Material :BK7, K9, Fused Silica, etc.
Typical Diameter (Фmm): 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8, etc.
Diameter Tolerance (mm): +0.0/-0.2 (General), +0.0/-0.02 (High Precision)
Typical Thickness (mm): 2.0, 3.0, 6.0, 6.35
Thickness Tolerance (mm):±0.2 (General), ±0.005 (High Precision)
Clear Aperture: >80% (Small Size), >95% (Large Size)
Flatness (per 25mm@633nm):λ(General),λ/10 (High Precision)
Incidence Angle:00 or 450
Surface Quality:60/40 (General), 10/5 (High Precision)
Parallelism:3 min. (General), 3 sec. (High Precision)
Bevel (face width x 450):<0.25mm
Coating :Dielectric coated AR, HR, PR or metal coated Al, Ag, Au etc.
Please contact us for more information !
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