-   Material: N-BK7
-   Separation angle: 90° ± 5’

     On request : 90° ± 1’ to 10’’
-   Surface flatness: λ/2 to λ (550nm)

     On request: λ/4 to λ/10
-   Assembly: cemented / on request : optically contacted

The four outer faces are all Anti-Reflection (AR) coated.

-   Standard value:

Reflection = Transmission = 0.5 ± 0.05 from 450 to 650nm
                                             = 0.5 ± 0.1 from 400 to 450nm and from 650 to 700nnm

-   Other values:

        - R = 0.4 /  T = 0.6   

        - R = 0.3 / T = 0.7

        - R = 0.2 / T = 0.8

        - R = 0.1 / T = 0.9

-   On request:

        - Other dimensions 

        - Other spectral ranges : 500 - 800 nm /  600 - 900 nm / 800 - 1300 nm ...

        - R and T values for specific wavelength and polarization.

        - Hybrid non-polarizing beamsplitter : Rs=Rp=Ts=Tp ± 0.05 , absorption < 0.1

Other types of cubes are available (polarizing cube beamsplitter / faire un lien avec l’article “polarizing cube beamsplitter”, alignment cube…)