Transfer of energy from charged transmission lines with applications to pulsed high-current accelerators

Abstract

An analysis has been performed of charged transmission-line configurations for use in high-current electron accelerators. Conditions for maximum efficiency and maximum energy transfer to the beam load are derived for ideal constant-impedance lines. It is shown that, in the lossless-line approximation, asymmetric line-pair configurations exist with which both a high accelerating voltage and nominal 100% efficiency can be achieved. The configurations would also have application as a pulse-forming network for use with other switched loads.

Evaluation of pulsed-power architectures for active detection

“…6) was based on induction cells having radial versions of a bipolar output transmission line due to Pavlovskii. The design used here, due to Eccleshall and Temperley [14], has advantages including an output voltage 1.5 times the charge voltage and a flatter output pulse. We use it here in a coaxial rather than radial form.…”

Induction voltage adders and the induction accelerator family

“…7(a) [8] was used in Soviet/Russian accelerators at up to 30 MeV [9] and that in Fig. 7(b) [10] in a test cavity built at Sandia [11]. Figures 7(a) and 7(b) are the first two in an infinite series of designs formed [12] by folding the switched line of a Darlington network about its midpoint to form the cavity, and Fig.…”

“…The example in Fig. 7(d) [10] was also built as a test cavity at Sandia, and with Fig. 7(a) it forms the first two of another infinite series of 100% efficient designs.…”