finesse.components.node.OpticalNode.q

property OpticalNode.q

Beam parameter value at this node.

Getter

Returns the beam parameter at this node. If the beam parameters in the tangential and sagittal planes are different then it returns a tuple of the two parameters.

Setter

Sets the beam parameter at this node. If the argument provided is a 2-tuple then the parameter is set astigmatically for the node.