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Updated: Jul 1, 2025

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Published on: August 17, 2017

Low divergence cold-wall oven for loading ion traps.

Anand Prakash¹, Akhil Ayyadevara¹, E Krishnakumar¹

¹Raman Research Institute, C. V. Raman Avenue, Sadashivanagar, Bangalore 560080, India.

The Review of Scientific Instruments

|March 13, 2024

Summary

This summary is machine-generated.

We developed a simple, low-power cold-wall oven for producing a collimated atomic beam of calcium ions. This compact device enables efficient loading of miniature ion traps, crucial for atomic physics experiments.

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Area of Science:

Atomic, Molecular, and Optical Physics
Quantum Information Science

Background:

Miniature ion traps require precise loading of atomic species.
Generating collimated atomic beams is essential for efficient trap loading.

Purpose of the Study:

To present a novel, compact cold-wall oven design for producing a collimated atomic beam.
To characterize the performance of the cold-wall oven for loading calcium ions into ion traps.

Main Methods:

A metal-loaded capillary is heated by electrical current to generate an atomic beam.
Doppler-sensitive, resonant fluorescence measurements are used for characterization.
The oven assembly is mounted on a CF16 feedthrough for integration.

Main Results:

A low-divergence (14 mrad) atomic beam of calcium is produced.
Atom emission begins within ~70 s of activation with <10 W power consumption.
Measured flow rate is 1.5 ± 0.2 × 10^9 atoms/s at 702 ± 7 K.

Conclusions:

The compact cold-wall oven is a simple and effective solution for producing collimated atomic beams.
The design is suitable for loading miniature ion traps with calcium ions.
The technology is adaptable for other atomic species, broadening its applicability.