Diamond-shaped aperture copper mesh filters provide >90% peak transmission and 5-15% bandwidth at 1.5-5.5 THz, with measured 1.9, 2.5, and 4.7 THz filters matching FEM simulations.
Development of metal mesh based quasi -optical selective components and their application in high - power experiments at novosibirsk terahertz FEL,
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THz Metal-Mesh Bandpass Filters with Diamond-shaped Apertures for Sensitive THz Receivers
Diamond-shaped aperture copper mesh filters provide >90% peak transmission and 5-15% bandwidth at 1.5-5.5 THz, with measured 1.9, 2.5, and 4.7 THz filters matching FEM simulations.