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Related Experiment Video

Updated: Jul 12, 2026

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

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Published on: August 17, 2017

An integrated wire harp and readout electronics inside vacuum.

Mou Chatterjee¹, P Y Nabhiraj¹

¹Department of Atomic Energy, Variable Energy Cyclotron Centre, 1/AF.Bidhannagar, Kolkata, India.

The Review of Scientific Instruments

|April 3, 2015

Summary

This summary is machine-generated.

A novel integrated wire harp and readout electronics system is now placed inside vacuum beam lines for simpler operation and more accurate measurement of small beam currents in particle accelerators. This design reduces electrical feedthroughs significantly.

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Area of Science:

Particle accelerator instrumentation
Beam diagnostics and measurement

Background:

Traditional wire harps for beam diagnostics require external readout electronics, complicating setup and operation.
Existing systems necessitate numerous electrical feedthroughs for signal transmission, increasing complexity and potential failure points.

Purpose of the Study:

To develop an integrated wire harp system with internal readout electronics for enhanced simplicity and accuracy in beam current measurement.
To reduce the number of required electrical feedthroughs for beam instrumentation systems.

Main Methods:

Designed and implemented a wire harp with integrated readout electronics placed directly within the beam line vacuum (10^-7 Torr).
All signal conversion and processing are performed internally, minimizing external connections.

Main Results:

Achieved a simplified system design that is easier to operate.
Enabled more accurate measurement of small beam currents.
Reduced the number of electrical feedthroughs from 32 to 4 for a 13x13 channel harp.

Conclusions:

The integrated in-vacuum wire harp system offers a significant advancement in beam instrumentation.
This novel approach simplifies operation, improves accuracy for small beam currents, and reduces hardware complexity.