110 GHz notch filter in 63.5 mm corrugated waveguide.
Bragg Reflection Notch Filters from General Atomics:
- > 30 dB attenuation over 1% bandwidth or
- > 40 dB attenuation over 2% bandwidth
- ~ 1 dB attenuation away from the notches
- also attenuate harmonics
- 82.6 GHz, 84 GHz, and 110 GHz filters have been made