finesse.components.beamsplitter.Beamsplitter.abcd12y

property Beamsplitter.abcd12y

Numeric ABCD matrix from port 1 to port 2 in the sagittal plane.

Equivalent to beamsplitter.ABCD(1, 2, "y").

Getter

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