The following input will simulate a 1:1 array of GRIN rods (see Figure 2):
;E{k+vkqy ?k7z5ow Gj%cU@2 ![OKmy RDM;LEN
|z`kFil% TIT 1:1 GRIN ARRAY
<E`Ygac NAO 0.1
$<[Q8V- TEL ! Telecentric
t"]+}]O DIM M
4Sq[I WL 633
TrBBV]4 YOB -5 5 0 -10 10
`?H yDny PRV ! GRIN material (SELFOC form)
M-Tjp'=* PWL 633
b?~%u+'3 'SLSPRV' 1.5
?k*%r;e> SEL 1 ! Grin step size
'p{N5eM SEL C1 .076 ! First coeff. of SELFOC formula
+oT/