Journal article
105 GHz Notch Filter Design for Collective Thomson Scattering
In
Fusion Science and Technology
—
2011, Volume 59, Issue 4, pp. 670-677
Abstract
A millimeter-wave notch filter with 105-GHz center frequency, >20-GHz passband coverage, and 1-GHz rejection bandwidth has been constructed. The design is based on a fundamental rectangular waveguide with cylindrical cavities coupled by narrow iris gaps, i.e., small elongated holes of negligible thickness.
We use numerical simulations to study the sensitivity of the notch filter performance to changes in geometry and in material conductivity within a bandwidth of ±10 GHz. The constructed filter is tested successfully using a vector network analyzer monitoring a total bandwidth of 20 GHz. The typical insertion loss in the passband is
| Language: | English |
|---|---|
| Publisher: | Taylor & Francis |
| Year: | 2011 |
| Pages: | 670-677 |
| ISSN: | 19437641 and 15361055 |
| Types: | Journal article |
| DOI: | 10.13182/FST11-A11732 |
| ORCIDs: | Michelsen, Poul , Leipold, Frank , Korsholm, Søren Bang , Nielsen, Stefan Kragh , Salewski, Mirko and Stejner Pedersen, Morten |
