After dielectric HR coating, the mirror have the very high reflection for specified single wavelength or broadband wavelength. For laser application, the mirror surface has been coated with very high reflection (general >99.8%) at the laser wavelength.                              

Substrate: Tempotec precision window or lens.           

Specifications:             
Laser wavelength: 1064nm, 532nm, 632.8nm, 488nm, or others.              
Dimension: dia.25.4 (+0/-0.2) x 6.35 (+/-0.2) mm typically               
Clear aperture: >85%             
Surface figure: λ/10@632.8nm              
Surface quality: 20-10 (substrate), 40-20 (after HR coating)                  
Protective chamfer               
Coating:             
HR coating on S1, R>99.5% for random polarization @ laser wavelength                    
Rs>99.9%, Rp>99.2%, R=(Rs+Rp)/2               
Unocated on S2                 

Custom designed size and wavelength are available upon request.