Continuously Varying Thickness Interference Bandpass Filter for the Visible Spectral Range: Using Ion Beam Sputter Deposition

Table 6

Material thicknesses (Th.) of the quarter-wave bandpass filter design [22].

Layer no.	Material	Thickness (nm)
1	Nb2O5	10.4
2	SiO2	238.6
3	Nb2O5	33.8
4	SiO2	84.6
5	Nb2O5	24.1
6	SiO2	64.7
7	Nb2O5	43.5
8	SiO2	87.5
9	Nb2O5	41.9
10	SiO2	53.4
11	Nb2O5	34
12	SiO2	83.4
13	Nb2O5	45
14	SiO2	81.2
15	Nb2O5	33.5
16	SiO2	60.6
17	Nb2O5	40.3
18	SiO2	84.2
19	Nb2O5	36.4
20	SiO2	70
21	Nb2O5	128.6
22	SiO2	95.9
23	Nb2O5	62.7
24	SiO2	147.8
25	Nb2O5	80.1
26	SiO2	97.2
27	Nb2O5	67
28	SiO2	149.6
29	Nb2O5	69
30	SiO2	101.5
31	Nb2O5	76.3
32	SiO2	142.6
33	Nb2O5	65
34	SiO2	105.6
35	Nb2O5	83.7
36	SiO2	129.2
37	Nb2O5	71.9
38	SiO2	116.4
39	Nb2O5	99
40	SiO2	137.7
41	Nb2O5	112.3
42	SiO2	114.2
43	Nb2O5	89.1
44	SiO2	141.9
45	Nb2O5	70.3
46	SiO2	191.3
47	Nb2O5	116.3
48	SiO2	155.2
49	Nb2O5	49
50	SiO2	179.3
51	Nb2O5	65.1
52	SiO2	185.4
53	Nb2O5	89.3
54	SiO2	165.6
55	Nb2O5	57.6
56	SiO2	149
57	Nb2O5	97.4
58	SiO2	191.8
59	Nb2O5	103
60	SiO2	142.2
61	Nb2O5	118
62	SiO2	180.4
63	Nb2O5	94.1
64	SiO2	188.5
65	Nb2O5	122.5
66	SiO2	148
67	Nb2O5	116.6
68	SiO2	197.9
69	Nb2O5	99.2
70	SiO2	140.1
71	Nb2O5	103.2
72	SiO2	196.7
73	Nb2O5	95.1
74	SiO2	165.5
75	Nb2O5	150.7
76	SiO2	199
77	Nb2O5	125.1
78	SiO2	143.7
79	Nb2O5	109