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Quantum Beam Physics and Engineering Lab
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A lab that makes X-ray mirrors with the aim of building the world's highest-performance X-ray microscope.
AboutAbout the lab
Aiming for the world's highest-performance X-ray microscope
The Matsuyama Lab develops a variety of X-ray microscopes that use high-precision X-ray mirrors.
The lab aims to realize an X-ray microscope that rivals electron microscopes and can resolve details finer than 10 nm.
It studies everything from X-ray mirrors to microscopes and their applications, working to open up new fields in materials science, medicine, biology, and more.
Experiments are mainly carried out at large synchrotron radiation facilities such as SPring-8 and SACLA, where students can acquire skills in optics, programming, and design.
Key terms
- Synchrotron radiation
- Very bright light and X-rays emitted when electrons traveling at nearly the speed of light are bent. It is produced at large accelerator facilities
- Deformable mirror
- A mirror whose surface shape can be finely changed by applying voltage. It is used to correct image distortion
- Deconvolution
- A method of removing blur from a captured image by computation
- Piezoelectric single crystal
- A single large crystal with piezoelectricity, the property of expanding and contracting when voltage is applied
NewsLab news
Held a joint information session on graduate admissions for the Department of Materials Science and the Department of Applied Physics
A master's student receives the Outstanding Presentation Award for a master's thesis
A student receives the Company Award at the Spring Meeting of the Japan Society for Precision Engineering
Develops a long bimorph deformable mirror that uses no adhesive
Assistant Professor Takato Inoe receives the 30th Japanese Society for Synchrotron Radiation Research Encouragement Award
ResearchResearch themes
Aiming to realize the world's highest-performance X-ray microscope, the lab develops X-ray mirrors, deformable mirrors, techniques for correcting mirror shapes, and techniques for measuring X-ray wavefronts. It focuses in particular on realizing an adaptive X-ray microscope that combines deformable mirrors with machine learning.
*Illustrative imageAdaptive X-ray Microscope
Because a full-field imaging X-ray microscope does not need to scan the sample, it can in principle observe in a short time. However, errors in mirror fabrication are a major problem because they lower the resolution. The lab is developing an adaptive X-ray microscope that solves this problem using deformable mirrors whose shape can be changed freely.
*Illustrative imageDeconvolution Microscope
Blur in an image can also be removed by computation after the image is taken, which is called deconvolution. As methods that make this easy and highly accurate for X-rays, the lab is developing X-ray Fourier ptychography and a new method that combines machine learning with sample rotation.
*Illustrative imageUltrathin Deformable Mirrors
Ordinary deformable mirrors are made by bonding a mirror substrate to piezoelectric ceramics, so they are several millimeters or more thick. The lab studies how to make an extremely thin, monolithic deformable mirror made only of a piezoelectric single crystal.
MembersFaculty
The Matsuyama Lab consists of faculty members, administrative assistants, and master's and undergraduate students.As of 2026
- ProfessorSatoshi Matsuyama
- Assistant ProfessorTakato Inoe
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: “Hard X-Ray Nanoprobe Beamline - geograph.org.uk - 6074848” Bill Nicholls / CC BY-SA 2.0 (cropped)
- Adaptive X-ray Microscope: “Adaptive optics deformable mirror (inst-ao-mirror)” ESO / CC BY 4.0 (cropped)
- Deconvolution Microscope: “Lab based Soft X-ray Microscope- SiriusXT” Ananya Vatsa / CC BY-SA 4.0 (cropped)
- Ultrathin Deformable Mirrors: “MAD deformable mirror (deformable mirror)” ESO / CC BY 4.0 (cropped)
- Related lab (構造物性工学研究グループ): “Double slit x-ray simulation polychromatic false-color” Timm Weitkamp (talk) / CC BY 3.0 de (cropped)
- Related lab (放射光応用物質科学研究グループ): “Particle-accelerator” Jan von Holleben / CC BY-SA 3.0 (cropped)
- Related lab (レオロジー物理工学研究グループ): “Hand in a non-newtonian fluid 05” ElisaG87 / CC BY 4.0 (cropped)
- Related lab (電子機能材料研究グループ): “Example of a Close Space Sublimation setup” Ash Pera / CC BY-SA 4.0 (cropped)
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