Table 5. Average spot size objective function results and focal distances on three runs for ABC, GA, NSGA-II, PSO algorithms.

	Run 1		Run 2		Run 3
	q1 (mm)	q2 (mm)	q1 (mm)	q2 (mm)	q1 (mm)	q2 (mm)	Average spot size (mm2)	X-axis (mm)	Z-axis (mm)
ABC	2033	68294	2071	63869	2071	69047	0.499	0.4881	0.1027
GA	2089	62637	2058	68787	2108	69541	0.481	0.4669	0.1158
NSGA-II	2025	62692	2069	69557	2036	68609	0.0194	0.0188	0.0047
PSO	2050	68247	2140	59042	2083	69326	0.0190	0.0186	0.0039