Part 8/10:
- Energy Transfer in Bunching: In the second cavity, however, the bunches are predominantly decelerated, transferring their kinetic energy into electromagnetic oscillations. This energy is then extracted as a larger output signal.
Multi-Cavity Klystrons for Greater Amplification
While a simple two-cavity klystron achieves modest amplification, more sophisticated designs involve multiple cavities:
Cascading Resonators: Sequential cavities amplify the signal incrementally, with each new cavity enhancing the bunching process.
Small Signal Amplification: The initial cavity handles a very weak input signal; subsequent cavities build upon this to achieve large overall gain.