eSource Optics Custom P/N ES # 120-5080-010-CC:eSource Optics to supply Custom VUV-UV Lyman Alpha Broadband Plano-Concave Spherical Mirrors coated with ES # 120 VUV-UV High Reflectance broadband metallic Al & MgF2 Mirrors having >=77-80% Reflectance* at 121.6nm, Normal Incidence, per the following:

Diameter (Dia = Ø) & Tolerance:  50.8mm +/-0.254mm

Edge Thickness & Tolerance: 8.0mm ±0.50mm

Radius of Curvature:103.0mm Concave

Surface Figure:   ~1/10 wave @ 633nm nominal Concave Coated Side, before coating

Surface Finish:  20-10 Scratch-Dig Concave Coated Side, before coating

Clear Aperture:  Central 85% Diameter minimum

Chamfer:  ~ 0.5mm x 45 deg. typical 

Substrate Material:   Fused Silica or N-BK7

Rear (uncoated) Surface:Polished 

                                                

                                                   
         eSource Optics / PMB 126, 1225 Providence Rd, Whitinsville, MA 01588

       VUV-UV Optical Filters & Mirrors/ VUV-UV Windows/Lenses & Prisms