圆柱相切( $r=0.2\text{μm}$ , $a=0.4\text{μm}$ )

圆柱不相切( $r=0.2\text{μm}$ , $a=0.6\text{μm}$ )

n = 1.5 (窄带的中心波长，宽带隙的范围)

0.55, 0.58, 1.05~1.15

0.42, 0.48, 0.68~0.75, 1.30~1.46

n = 1.8 (窄带的中心波长，宽带隙的范围)

0.65, 0.68, 1.2~1.37

0.54, 0.58, 0.78~0.88, 1.38~1.58

n = 2.5 (窄带的中心波长，宽带隙的范围)

0.52, 0.68~0.7, 0.88~0.94, 1.5~1.8

0.52~0.56, 0.65~0.8, 0.8~0.9, 0.92~1.18, 1.58~1.75

最宽的的带隙

0.30 μm

0.26 μm