finesse.components.beamsplitter.Beamsplitter.abcd31y

property Beamsplitter.abcd31y

Numeric ABCD matrix from port 3 to port 1 in the sagittal plane.

Equivalent to beamsplitter.ABCD(3, 1, "y").

Getter:

Returns a copy of the (numeric) ABCD matrix for this coupling (read-only).