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Plasma Bio-Application Engineering Lab
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A lab that tackles everything from applications of low-temperature plasma to nuclear fusion through both experiments and theory.
AboutAbout the lab
Creating the future of humanity with plasma technology.
The Plasma Bio-Application Engineering Lab studies low-temperature plasmas for environmental and biological applications, and high-temperature plasmas for realizing fusion reactors.
The lab approaches both topics from the two sides of experiments and theoretical analysis.
Divided into research groups led by individual faculty members, the lab works on measurement using interferometers and CT, plasma–material interactions, simulation, and more.
Key terms
- Low-temperature plasma
- A plasma in which only the electrons have high energy and the plasma as a whole stays close to room temperature. It can be applied to objects and to the body.
- Refractive index
- A value expressing how much slower light travels inside a material. It changes with temperature and gas concentration, and determines how light bends.
- Atmospheric-pressure plasma
- Plasma generated at ordinary air pressure, without creating a vacuum.
ResearchResearch themes
With the aim of "creating the future of humanity with plasma technology," the lab studies low-temperature plasmas for use in the environment and in living organisms, and high-temperature plasmas for fusion reactors. In groups led by individual faculty members, researchers take both experimental and theoretical-analysis approaches.
*Illustrative imageMeasuring inside a flame with an interferometer
From the interference fringes measured with a shearing interferometer, the phase shift of laser light is determined, and the three-dimensional refractive index distribution near flame gas is reconstructed. This research measures gas distributions in three dimensions without disturbing them (Project Professor Tomioka's group).
*Illustrative imageInvestigating dental treatment through simulated experiments
In treatment of the dental root canal (the canal inside the root of a tooth) with high-frequency current, the treatment promotes disinfection. The group is trying to clarify the reason for this through simulated experiments (Associate Professor Yamauchi's group).
*Illustrative imageModeling atmospheric-pressure plasma
This research uses simulation to clarify the characteristics of atmospheric-pressure plasma, which is expected to have a wide range of applications. The calculated density distributions are turned into animations for examination (Assistant Professor Matsumoto's group).
*Illustrative imageSimplifying an enormous number of chemical reactions
An enormous number of chemical reactions take place in atmospheric-pressure low-temperature plasma. The group is developing a method to reduce these reactions to a simpler form using structural sensitivity analysis (Assistant Professor Higashi's group).
MembersFaculty
The members of the Plasma Bio-Application Engineering Lab consist of faculty members and students.As of 2024
- Project ProfessorSatoshi Tomioka
- Associate ProfessorYuji Yamauchi
- Assistant ProfessorYutaka Matsumoto
- Assistant ProfessorNaoki Higashi
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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: “LHD plasma vacuum vessel” National Institute for Fusion Science / CC BY-SA 4.0 (cropped)
- Measuring inside a flame with an interferometer: “Convecting-candles” Andrew Davidhazy / CC BY 4.0 (cropped)
- Investigating dental treatment through simulated experiments: “Root Canal Illustration” 作者不詳 / Public domain (cropped)
- Modeling atmospheric-pressure plasma: “Buse plasma à pression atmosphérique” Acxys / CC BY-SA 3.0 (cropped)
- Simplifying an enormous number of chemical reactions: “SocialNetworkAnalysis” Martin Grandjean / CC BY-SA 4.0 (cropped)
- Related lab (Plasma Environmental Process Lab): “Plasma-lamp 2” Luc Viatour / CC BY-SA 3.0 (cropped)
- Related lab (Plasma Materials Engineering Lab): “Plasma generation in air” Rcaravit / CC BY 4.0 (cropped)
- Related lab (Space Environment Systems Engineering Lab): “Rocket Engine Hot Fire” camelNotation / CC0 (cropped)
- Related lab (Quantum Energy Conversion Materials Lab): “TEM image of gold nanoparticles and nanorods” Fionán / CC BY-SA 4.0 (cropped)
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