eSource Optics # ES #120 Coating: 

Description: ES # 120 VUV-UV Broadband Mirror Coating, having 77-80%* R @ 121.6nm N.I. on of Customer Supplied Material (CSM*) on a “Best-Efforts” only as follows:

1 piece Plano-Concave Spherical glass substrate to be coated on One Concave surface with eSource Optics VUV-UV ES # 120 Broadband Mirror 

- Material:  H-K9L A grade or N-BK7

Size:  25.4mm diameter +0.0/-0.1mm 
Edge Thickness:  8mm +/- 0.1mm
ROC:  50mm +/- 0.1mm
Center Hole:  8mm +/- 0.1mm
Backside: ground or clear

                                                

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

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