The following input will simulate a 1:1 array of GRIN rods (see Figure 2):
;}E$>]*Yn Nvj0MD{ X Kuy0Ci e]@R'oM?#` RDM;LEN
fMZzR|_18 TIT 1:1 GRIN ARRAY
mv\S1[<T NAO 0.1
^.~m4t`U TEL ! Telecentric
<^Sp4J DIM M
&24$*Oe WL 633
ewORb YOB -5 5 0 -10 10
)G=hgqy PRV ! GRIN material (SELFOC form)
~Op~~
m PWL 633
(YKkJ 'SLSPRV' 1.5
r0/o{Y|l6 SEL 1 ! Grin step size
Yi+$g