Cross-Shaped Terahertz Metal Mesh Filters: Historical Review and Results

Table 1

Band pass metal mesh filters results from different authors.

Author	Frequency (THz)	G (microns)	K (microns)	J (microns)	Transmission (%)	Bandpass width (%)	Fabrication process
Page [25]	0.138	972	892	28	91	35	Mylar photolithography
Page [25]	0.174	842	762	35.5	85	41	Mylar photolithography
Page [25]	0.282	504	444	22.5	92	46	Mylar photolithography
Page [25]	0.384	438	288	7.5	72	17	Mylar photolithography
Page [25]	0.480	376	226	11.5	66	16	Mylar photolithography
Page [25]	0.510	286	226	15	78	33	Mylar photolithography
Porterfield [7]	0.587	402	251	66	97	17.3	Free UV photolithography
Porterfield [7]	1.195	201	126	33	100	16.9	Free UV photolithography
Ma [13]	1.5	106.3	81.4	22.6	51	40	HDPE photolithography
Porterfield [7]	1.523	154	98	28	97	18.6	Free UV photolithography
Ma [13]	1.77	76.5	66.4	12.6	54	51	HDPE photolithography
Porterfield [7]	2.084	113	71	19	100	15	Free UV photolithography
Ma [13]	2.91	60	38	10	52	13.7	HDPE photolithography
Kuznetsov [12]	3.75	41.4	29.4	6	59	30	Polyimide LIGA*
Kuznetsov [12]	6.5	28.5	18.5	5	64	30	Polyimide LIGA*
Smith [26]	7.9	22	12.8	3.5	52	15	Polyimide Optical photolithography
Möller [27]	8.3	26.4	23.2	2.4	50	14	Free UV photolithography
Möller [27]	13	16.7	14.7	1.5	60	17	Free UV photolithography
Möller [27]	14	16.4	13.9	2.5	80	23	Free UV photolithography

*LIGA is a german acronym for Lithography, Electroplating and Molding.