finesse.components.beamsplitter.Beamsplitter.abcd21y¶
- property Beamsplitter.abcd21y¶
Numeric ABCD matrix from port 2 to port 1 in the sagittal plane.
Equivalent to
beamsplitter.ABCD(2, 1, "y")
.- Getter
Returns a copy of the (numeric) ABCD matrix for this coupling (read-only).