Table 5: Terahertz metal mesh filters companies.

Company Filter type website BR-labs Bandpass filter between 0.4 to 10 THz or custom made. http://www.br-labs.com/ QMC instruments Low pass filter with edges between 0.3 to 20 THz. http://www.terahertz.co.uk/ Virginia diodes Bandpass filter between 0.35 to 5 THz or custom made. http://www.vadiodes.com/ Mutsumi corporation Bandpass filter between 0.2 to 2 THz. http://www.science-mall.co.jp/en/