A research group led by Professor Kazuto Yamauchi of the Graduate School of Engineering, Osaka University has developed the world's first method for freely controlling the beam size of X-rays, paving the way for the realization of an unprecedented multifunctional X-ray microscope. Open.The results of this joint research with Hokkaido University and RIKEN were published in Scientific Reports in April this year.

 X-ray analysis represented by X-ray equipment is widely used not only in the medical field but also in various research and industrial fields.However, X-ray analysis and X-ray microscopes have the drawback of lacking the flexibility of measurement that electron microscopes have.In other words, in the case of X-rays, since one device can irradiate only a certain focused beam, the analysis range that can be performed by one device must be extremely limited.
In this research, we tried to solve this problem by developing a new shape-variable mirror that can change its shape freely. By combining four variable shape mirrors and changing these shapes, we created a condensing optical system with a different numerical aperture and succeeded in controlling the condensing spot size for the first time.

 The first expectation of this success is the realization of a multifunctional X-ray microscope, which will carry out various X-ray analysis and X-ray microscopes without changing the experimental setup including the sample position with one experimental device. Things will be possible.In addition to this, during valuable beam time in advanced X-ray light sources such as X-ray free electron lasers, which are only two in the world (Japan and the United States), and ultra-low emittance radiation sources that each country is competing to develop. It is expected that a new and efficient experimental style will be introduced, in which materials are thoroughly examined by various analytical methods.

Osaka University

The "true value" of each person becomes the "evolution" of Osaka University.To a university that lives in the community and extends to the world

Osaka University is a research-based university with 11 faculties and 23 departments. Since its founding in 1931, with the motto of "living in the region and extending to the world," we have created an outstanding "foundation" and "power" that weaves advanced education and research capabilities, the harmony of faculty and staff, and the weight of tradition and the advantage of Osaka. I have.Taking advantage of these excellent potentials […]

Hokkaido University

Strong cooperation with industry and regions "Practical science unique to Hokkaido University" leads the world

The origin of Hokkaido University dates back to Sapporo Agricultural College, which was established in 1876.Throughout its long history, we have cultivated the basic principles of "frontier spirit," "cultivating internationality," "education for all," and "emphasis on practical studies."Based on this philosophy, he has a high level of academic background that is internationally accepted, and has accurate judgment and a leader […].

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