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Materials and Applied Technology (MAT) Lab
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The research group works on laser materials, magnetic field visualization, cultural heritage, and superconductivity.
AboutAbout the lab
Exploring a wide range of applications, starting from laser materials.
The Materials and Applied Technology group of the Composite Photonics research area (Chikumoto Lab) conducts research on developing next-generation laser materials and their applications.
In addition to developing long-lifetime laser materials, the group works on measurements that visualize magnetic field distributions with light and on studies of cultural heritage using laser spectroscopy.
Its superconductivity research deals with cable joining technology needed for DC power transmission using high-temperature superconductors.
Research on applications of visible semiconductor lasers in the same lab is led by Project Professor Kazuhisa Yamamoto and others.
Key terms
- Magneto-optical imaging
- A method that uses the Faraday effect, one of the magneto-optical effects, to observe the distribution of magnetic flux density with light.
- Faraday effect
- A phenomenon in which, when light travels through a magnetic material, its plane of polarization rotates according to the direction of magnetization.
- High thermal conductivity
- The ability to conduct heat easily. For laser materials, it is said to be essential for lasing at a high repetition rate.
NewsLab news
Assistant Professor Tamaru received the 49th 2025 Progress Award (The Laser Society of Japan)
A paper by Professor Chikumoto and colleagues was published in IEEE Transactions on Applied Superconductivity
ResearchResearch themes
The Materials and Applied Technology group started in fiscal 2024 and pursues a wide range of research in cooperation with other labs at the Institute of Laser Engineering, outside research institutions, and companies. In addition to developing long-lifetime laser materials for next-generation power lasers, it works on magneto-optical imaging, cultural heritage research, and the development of superconducting conductors.
*Illustrative imageDeveloping next-generation laser materials
The key to applying power lasers is a longer laser material lifetime, and high thermal conductivity is essential for lasing at a high repetition rate. The group searches for materials with better thermal conductivity than conventional ones, using methods such as trace substitution with light elements.
*Illustrative imageVisualizing magnetic field distributions with light
The group uses magneto-optical imaging, which uses the Faraday effect to measure the distribution of magnetic flux density as changes in light intensity. It investigates the magnetic field and current characteristics of superconducting and magnetic materials.
*Illustrative imageCultural heritage research with laser spectroscopy
Using non-destructive analysis such as laser spectroscopy as a clue, the group traces the origins of various cultural heritage items, starting with ceramics. It collaborates with a joint research group within the Institute of Laser Engineering, the Graduate School of Humanities at Osaka University, and several research institutions.
*Illustrative imageCable joining technology for superconducting power transmission
DC power transmission using high-temperature superconductors is said, in principle, to carry large currents compactly with low loss. As a cable joining technology essential for long-distance systems, the group studies room-temperature diffusion bonding.
MembersFaculty
The members of the Chikumoto Lab consist of professors, associate professors, assistant professors, project professors, project researchers, and doctoral, master's, and undergraduate students.
- ProfessorNoriko Chikumoto
- Assistant ProfessorYuki Tamaru
- Project ProfessorKazuhisa Yamamoto
- Project ProfessorMasato Ishino
- Project ProfessorHiroshi Fuji
- Project ProfessorYoshio Manabe
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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: “6 Maiman Laser Ruby Crystal” Guy Immega / CC0 (cropped)
- Developing next-generation laser materials: “Thermal Conductivity Measurement, Modified Transient Plane Source Technique” JimRocket / CC BY-SA 3.0 (cropped)
- Visualizing magnetic field distributions with light: “Bar-magnets-repelling-iron-filings-max” MikeRun, Vera Wurmsdobler / CC BY-SA 4.0 (cropped)
- Cultural heritage research with laser spectroscopy: “Service dessert Victoria Franz-Joseph Vienna inv 191” Jebulon / CC0 (cropped)
- Cable joining technology for superconducting power transmission: “High-Temperature Superconducting Cables ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (レーザー材料科学
（LMO） ): “High-power laser welding” Krorc / CC BY-SA 3.0 (cropped) - Related lab (テラヘルツサイエンス
（THZ） ): “Colourimeter” University of Dundee Museum Services / CC BY-SA 4.0 (cropped) - Related lab (超
広帯域フォトニクス （UP） ): “Ultraviolet laser effects” www.LaserLightShow.ORG / CC BY-SA 3.0 (cropped) - Related lab (ニュークリアフォトニクス
（NP） ): “VULCAN target chamber 2003” Colin N. Danson et al. / CC BY 4.0 (cropped)
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