  Traveling wave SRF cavity is a new technology and requires a multi-stage
process for development. Conceptual designs have been proposed to adopt TW
resonance in an SRF cavity The early stages of developments have been funded by
several SBIR grants to Euclid Techlabs which were completed in collaboration
with Fermilab. A 3-cell proof-of-principle TW cavity was fabricated as part of
that and demonstrated the TW resonance excitation at room temperature. A TW
resonance control tuner for the 3-cell was also fabricated and the preliminary
tests were performed. Now, the 3-cell cavity is being processed and prepared
for the first cryogenic testing.
