Various design parameters for one-element lens design.

Table 1: Various design parameters for one-element lens design.

		α = 0.6			α = 1			α = 2
	k	0.5	1	2	0.5	1	2	0.5	1	2
(50%) of central lobe	r_o	2			1.2			0.6
(50%) of central lobe	r_i	0.84	1.68	3.36	0.5	1.0	2.0	0.25	0.50	1.0
(95%) of central lobe	r_o	3.8			2.28			1.14
(95%) of central lobe	r_i	1.04	2.08	4.16	0.62	1.24	2.48	0.31	0.62	1.24