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Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

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A solid-state Marx generator driven Einzel lens chopper.

T Adachi¹, T Arai, K W Leo

¹High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan.

The Review of Scientific Instruments

|September 8, 2011

Summary

This summary is machine-generated.

A novel Einzel lens chopper was developed to control ion beam pulses. This system uses a solid-state Marx generator to create precise high-voltage pulses, enabling efficient beam modulation for experiments.

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Area of Science:

Physics
Accelerator Technology
Ion Beam Manipulation

Background:

Precise control of ion beams is crucial for various scientific experiments.
Existing pulse chopping methods may have limitations in speed or efficiency.
Electron Cyclotron Resonance (ECR) ion sources are widely used for generating ion beams.

Purpose of the Study:

To introduce and describe a new type of pulse chopper: the Einzel lens chopper.
To demonstrate the feasibility and effectiveness of this novel chopper system.
To report the successful experimental validation of the Einzel lens chopper.

Main Methods:

An Einzel lens was integrated directly after an electron cyclotron resonance ion source.
A newly developed solid-state Marx generator was employed to produce high-voltage pulses.
A rectangular negative barrier pulse-voltage was precisely timed to gate the ion beam.

Main Results:

The Einzel lens chopper system successfully modulated the ion beam.
The solid-state Marx generator provided reliable high-voltage pulse generation.
Experimental results confirmed the effective operation of the barrier pulse for beam control.

Conclusions:

The developed Einzel lens chopper offers a new method for ion beam pulse control.
The system's design, utilizing a solid-state Marx generator, proved successful in experiments.
This technology has potential applications in experiments requiring modulated ion beams.