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: L/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.