9712411

Retardation order: multiple                               
Wedge / Parallelism error: <3 arcsec                                          
Transmitted wavefront distortion, PV: <λ/8 @ 632.8 nm   
Retardation:   λ @ 358.3 nm + λ/2 @ 537.5 nm                                                                                                                                                                                                      
Mount: Mounted in Ø12.7 mm black anodized metal mount                                                     
Material: Crystalline Quartz                               
Clear Aperture: 8                                          
AR coatings: AR (R<0.5%) @ 350 – 550 nm on each surface                                                       
Surface quality, S-D: 20-10