Material

Bk7,K9

Dimension Tolerance

+0.0/-0.15

Surface Quality

60/40

surface perfection

IV

Flatness

<λ/4   632.8nm

Beam Deviation

< 3 arc minutes

Extinction Ratio

Tp / Ts > 100: 1

632.80nm

Splitting Ratio

5:5

T/R

50/50±5%

T=(TS+TP)/2, R=(RS+RP)/2

T/R Tol

+/-5%

Wavelength

450-650nm

Incident Angle

0 degreee±3‘

Angle Tolerance

+/- 3 arc minutes

 Clear Aperture

 90%

 Bevel

  0.3mm x 45 deg

  Design wavelength

632.8nm