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Plasma Science and Engineering (Yukihiko Yamagata) Lab
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A lab that measures and controls plasma using lasers.
AboutAbout the lab
Mastering plasma through measurement and control.
Associate Professor Yukihiko Yamagata's lab studies the measurement and control of plasmas produced by electrical discharges and lasers.
In device fabrication and environmental purification, it is necessary to quickly measure and control phenomena that occur at the atomic and molecular level.
Many aspects of these phenomena are still not fully understood, and there is a need to establish control techniques based on measurement and diagnostics.
On the researcher information page, the lab's website is linked under the name "Homepage of the Ionization Reaction Engineering Lab."
Key terms
- Plasma
- A state in which the atoms and molecules of a gas have separated into electrically charged particles that move freely. It is produced by electrical discharges or lasers.
- Laser ablation
- A method in which laser light is directed at a material to eject material from its surface. The ejected material becomes plasma.
- EUV
- Short for Extreme Ultraviolet. Its wavelength is very short, and it is used as a light source in semiconductor manufacturing.
ResearchResearch themes
Temporally and spatially controlled discharge plasmas and high-power lasers have become essential for device fabrication, including in the semiconductor industry, and for purifying the air and water environment. This lab uses laser measurement to investigate the state of plasma and applies the results to controlling reactions.
*Illustrative imageMeasurement and control of EUV-excited hydrogen plasma
The lab studies the measurement of various parameters and the control of reactions in hydrogen plasma that is photoexcited by EUV plasma produced with a laser. It also investigates particle motion.
*Illustrative imageFabricating porous SiO2 thin films with lasers
This research fabricates low-k porous SiO2 thin films by laser ablation using a deep ultraviolet laser. It also covers the generation of nanoparticles.
*Illustrative imageParticle measurement in laser ablation plasma
The lab measures particles in plasma produced by laser ablation using laser measurement methods, and studies how to control reactions. Particle motion and nanoparticle generation are also covered.
*Illustrative imageCreating electric field environments for freshness preservation
This research builds optimal electric field environments for freshness preservation systems for agricultural, marine, and livestock products. It involves electric field systems and electric field analysis simulation.
MembersFaculty
- Associate ProfessorYukihiko Yamagata
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: “Frame extra terrible resolution” Joshualudwig / CC BY-SA 4.0 (cropped)
- Measurement and control of EUV-excited hydrogen plasma: “Extreme ultraviolet (EUV) frequency comb ( )” National Institute of Standards and Technology / Public domain (cropped)
- Fabricating porous SiO2 thin films with lasers: “Dopeeritud räniplaat, mis on kaetud õhukese ränidioksiidi kihiga” Saiauss / CC BY-SA 4.0 (cropped)
- Particle measurement in laser ablation plasma: “Laser Ablation of Asteroid Like Sample” Travis Brashears / CC BY 4.0 (cropped)
- Creating electric field environments for freshness preservation: “Illuminated facade of a restaurant serving traditional food with fresh vegetables in Chiyoda, Tokyo” Basile Morin / CC BY-SA 4.0 (cropped)
- Related lab (Plasma Science and Engineering Lab): “Plasma ball w laser pointer ( )” Colin Knowles from Vancouver / CC BY-SA 2.0 (cropped)
- Related lab (Resources Processing Engineering (Gde Pandhe Wisnu Suyantara) Lab): “Flotation cell” Dhatfield / CC BY-SA 3.0 (cropped)
- Related lab (Protein Engineering Lab): “Smallpox vaccine” Photo Credit: James Gathany Content Providers(s): CDC / Public domain (cropped)
- Related lab (Protein Engineering Lab (Jose Caaveiro)): “SHOC2 protein crystal structure” Achaparro0600 / CC BY-SA 4.0 (cropped)
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