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Advanced Beam Systems Engineering Lab
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A lab that generates multiply charged ion beams from ECR plasma and puts them to use.
AboutAbout the lab
Toward a universal source that produces diverse ions.
The Advanced Beam Systems Engineering Lab studies the development of ion sources that produce multiply charged ions using ECR plasma, and the applications of the ion beams extracted from them.
Plasma, also called the fourth state of matter, consists of charged particles and neutral particles and behaves differently from a gas.
ECR ion sources can produce relatively high-density plasma even at low pressure, and are used in a wide range of fields, including ion implantation, heavy-ion cancer therapy, ion engines, the search for new elements, and endohedral fullerenes.
The lab aims to realize a universal source that can produce a variety of ion species with a single device.
Key terms
- Plasma
- Also called the fourth state of matter; consists of charged particles and neutral particles. Observed in lightning and auroras
- ECR ion source
- An ion source that uses electron cyclotron resonance. It creates plasma with a magnetic field and microwaves and extracts ions from it
- Heavy-ion cancer therapy
- A cancer treatment that uses carbon ion beams. It can keep damage to normal cells small
- Universal source
- An ion source that can produce a variety of ion species with a single device. The device the lab aims to realize
ResearchResearch themes
This lab conducts research and education on the development of multiply charged ion sources using ECR plasma and on applications of the ion beams extracted from them. Applications include heavy-ion cancer therapy, satellites, and bio- and nanomaterials.
*Illustrative imageCompact Accelerator for Heavy-Ion Cancer Therapy
In joint research with the National Institute of Radiological Sciences, the lab is working toward the next generation of compact, advanced accelerators for heavy-ion cancer therapy. It investigates the effect of mixing light-element gases to increase the ion beam yield, and a new heating mechanism to add to the ECR.
*Illustrative imageProduction and Application of Bio- and Nanomaterials
Carbon nanotubes (CNTs) and fullerenes show a variety of properties when impurities are encapsulated inside them. The lab is developing evaporation sources for fullerenes and iron and attempting to encapsulate iron inside fullerenes, which is expected to find applications such as MRI contrast agents.
*Illustrative imageEffects of Ion Irradiation on Satellite Materials
Xe ion beams emitted from ion engines hit the satellite surface and shorten the satellite's lifetime. Using a device that can decelerate a single ion beam and irradiate materials with it, the lab studies the evaluation of the resulting damage jointly with companies.
*Illustrative imageFundamentals of ECR Plasma and Ion Beams
To produce plasma efficiently, the lab measures its dependence on pressure and microwave power. It also builds electrodes for extracting ion beams, controls beam convergence and divergence, measures beam quality (emittance measurement), and irradiates targets.
MembersFaculty
The members of the Advanced Beam Systems Engineering Lab are faculty members and master's and undergraduate students.
- Associate ProfessorYushi Kato
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Plasma de laboratoire et magnétisme” Josselin Doc / CC BY-SA 4.0 (cropped)
- Compact Accelerator for Heavy-Ion Cancer Therapy: “Particle accelerator DSC09089” David Monniaux / CC BY-SA 3.0 (cropped)
- Production and Application of Bio- and Nanomaterials: “Endohedral fullerene” Hajv01 / CC BY-SA 4.0 (cropped)
- Effects of Ion Irradiation on Satellite Materials: “BEAM SHIELDED 8 CM CENTIMETER ION THRUSTER - NARA - 17469227” Martin Brown / Public domain (cropped)
- Fundamentals of ECR Plasma and Ion Beams: “Mass spectrometer ei ci ion source” Fulvio314 / CC BY-SA 3.0 (cropped)
- Related lab (Extreme Plasma Engineering Lab): “The moment a high-power laser pulse interacts with a target to produce a plasma is captured at the Vulcan PW facility ( )” Science and Technology Facilities Council / CC BY-SA 2.0 (cropped)
- Related lab (Media Integrated Communication Engineering Lab): “ShakeAlert Sensor Site” Paul Laustsen Public Affairs - Western States Communications and Publishing / Public domain (cropped)
- Related lab (Nanomaterial Electronics Lab): “Microchip for Carbon Nanotube Field Effect Transistors fabrication” Aidar Kemelbay / CC BY-SA 4.0 (cropped)
- Related lab (Data Generation Engineering Lab): “Aerial View of a city in night” Chinmayee Mishra / CC BY-SA 4.0 (cropped)
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