Numerical and Experimental Study of the Structural Color by Widening the Pore Size of Nanoporous Anodic Alumina

Table 1

The photograph under microscope of 11 NAA films with different widening process times.

Sample	1	2	3	4	5	6	7	8	9	10
Widening time (min)	15	30	40	50	60	65	70	75	80	85
Color