Power loss in open cavity diodes and a modified Child Langmuir Law
Plasma Physics
2009-11-10 v2 General Physics
Abstract
Diodes used in most high power devices are inherently open. It is shown that under such circumstances, there is a loss of electromagnetic radiation leading to a lower critical current as compared to closed diodes. The power loss can be incorporated in the standard Child-Langmuir framework by introducing an effective potential. The modified Child-Langmuir law can be used to predict the maximum power loss for a given plate separation and potential difference as well as the maximum transmitted current for this power loss. The effectiveness of the theory is tested numerically.
Keywords
Cite
@article{arxiv.physics/0411173,
title = {Power loss in open cavity diodes and a modified Child Langmuir Law},
author = {Debabrata Biswas and Raghwendra Kumar and R. R. Puri},
journal= {arXiv preprint arXiv:physics/0411173},
year = {2009}
}
Comments
revtex4, 11 figures