The design, the manufacturing and the low power test results for the overmoded 30 GHz power line will be presented.
Possible scenarios for a CTF3 30 GHz pulse compressor will be discussed.

Sergey presented the High-Power Low-Loss TE₀₁ Transmission Line for CTF-3. He showed details of the different components making up the line and presented the assembly and low power tests done in CTF2. The line behaves very close to the theoretical expectation.

Then he presented ideas and tests for multi-moded SLED-II pulse compressors. Large volume TE₀₁ mode cavities can be very efficient delay lines, much shorter than classical delay lines, allowing for a reduction of 10-50 times the length of the lines. He showed the idea of one-channel SLED-II pulse compressor based on ring-like cavities, where different modes travel in the opposite directions, and compressors based on multi-mirror delay lines.