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Automated Delivery of Microfabricated Targets for Intense Laser Irradiation Experiments

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Linear induction accelerators made from pulse-line cavities with external pulse injection.

¹Ian Smith Incorporated, Alameda, California 94501, USA.

The Review of Scientific Instruments

|June 1, 1979

Summary

This summary is machine-generated.

A novel linear induction accelerator design achieves 100% energy coupling efficiency to the beam using externally driven cavities and bidirectional voltage pulses. This advancement in accelerator technology offers higher accelerating gradients compared to previous designs.

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Area of Science:

Physics
Engineering

Background:

Previous linear induction accelerators faced energy loss issues due to induced currents.
Existing designs utilized either external pulse injection with ferromagnetic materials or self-forming pulse cavities with bidirectional waveforms to mitigate losses.

Purpose of the Study:

To introduce a third type of linear induction accelerator design.
To achieve 100% efficient energy coupling to the particle beam.
To present a novel pulse generator and cavity designs for enhanced accelerator performance.

Main Methods:

Development of externally driven accelerator cavities.
Design of a 100% efficient pulse generator producing bidirectional voltage waveforms with a zero voltage-time integral.
Implementation of two cavity designs for efficient pulse coupling, including a voltage-doubling option.

Main Results:

The new design achieves 100% energy coupling efficiency.
The pulse generator is highly efficient and compatible with existing pulse power techniques.
The proposed cavity designs effectively couple the pulse to the beam.
Comparison indicates potentially higher accelerating gradients than previous induction accelerator types.

Conclusions:

The described linear induction accelerator design offers a significant improvement in energy transfer efficiency.
This approach minimizes parallel current losses, leading to more effective acceleration.
The technology is well-suited for advancements in high-gradient particle acceleration.