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Masashi Yoshimura, Professor
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The Photon and Quantum Devices research area (Yoshimura Lab) studies nonlinear optical crystals that change the wavelength of laser light, as well as devices for deep-ultraviolet lasers. Professor Masashi Yoshimura's group works on reducing crystal defects, aiming to realize high-power deep-ultraviolet laser processing machines through industry-academia collaboration. Assistant Professor Tomoaki Nambu's group studies fingertip-sized compact deep-ultraviolet laser sources and "unbreakable" optical elements for ultra-large power lasers. As a cooperating chair of the School of Engineering and the Graduate School of Engineering, the lab is in charge of research supervision for undergraduate and graduate students.

Hideo Nagatomo, Professor
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The Radiation Hydrodynamic Plasma Physics research area is a lab at the Institute of Laser Engineering, Osaka University, and Professor Hideo Nagatomo and Assistant Professor Kazunori Shibata belong to it. In the Institute of Laser Engineering's introduction of its research groups, Professor Nagatomo is in charge of Physics Informatics in the Theory and Computational Science division, and conducts research that seeks to "understand plasma, from fundamentals to applications, using computational science and AI." In the graduate school, the lab is listed as a research area of the Laser Energy Science Chair in the Electrical Engineering Course of the Division of Electrical, Electronic and Infocommunications Engineering, Graduate School of Engineering, and students can conduct research in this area.

Shohei Shimizu, Professor
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The Intelligent Reasoning Lab is a data science and AI lab that focuses on causal discovery. The lab aims to establish causal discovery as a standard analysis method in scientific research and in industry and policy settings, laying the foundation for a society where causal inference is used routinely. Working with researchers and practitioners in fields ranging from the natural and social sciences to engineering and medicine, the lab studies mathematical methodologies for uncovering causal relationships. The lab develops new methodologies that can estimate causal relationships from observational data, even in situations where interventional experiments are difficult.

Kazunori Komatani, Professor
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The Knowledge Science Lab (Komatani Lab) studies spoken dialogue systems that can talk with people, using speech recognition and natural language processing technologies. It is a field with two sides: the engineering side of writing programs and building systems, and the scientific side of asking what it means for people to understand each other in conversation. Because the lab deals with the language people use, it also draws on knowledge from linguistics and social psychology. The lab belongs to the Institute of Scientific and Industrial Research and is positioned as a cooperating research group in the Graduate School of Engineering.

Noriko Chikumoto, Professor
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The Composite Photonics Lab (Chikumoto Lab) is located at the Institute of Laser Engineering, Osaka University, and studies a broad range of topics, including the development of laser materials that open up new applications, system applications, and nanofabrication applications. Lasers play a role in many fields of science, medicine, communications, and industry, such as high-precision optical instruments, optical communications, and laser processing. In addition to laser technology, the lab works on superconducting materials in which electrons are in a coherent state, and on their application technologies. Research is carried out in groups for materials and application technologies, semiconductor laser system engineering, and power laser photonics.

Akira Oiwa, Professor
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The lab studies quantum information processing, centered on semiconductors, that makes use of the quantum-mechanical properties of electron spins and photons. Spintronics, based on the creation and integration of new optical, electronic, and spin materials, is also a main focus of the lab's research. The lab covers the whole process, from creating and characterizing materials to precise quantum transport measurements, with the aim of discovering new phenomena brought about by quantum nanostructures. It is a research division of the Institute of Scientific and Industrial Research at Osaka University, and the lab's website introduces it under the name "Oiwa Lab."

Jun Yamasaki, Professor
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The lab develops measurement methods and techniques for electron microscopes, which visualize the invisible fine world at the micron, nano, and atomic scales. It uses a variety of state-of-the-art electron microscopes, including the 3-million-volt ultrahigh-voltage electron microscope, which has the highest accelerating voltage in the world. The lab works on methods for precisely measuring ultrafine materials in three dimensions and on establishing new lensless nanoimaging methods. It is a research division of the Research Center for Ultrahigh Voltage Electron Microscopy, and in the graduate school it is a cooperating research group of the Division of Electrical, Electronic and Infocommunications Engineering, Graduate School of Engineering.

Yoshitaka Imaizumi, Visiting Professor
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The lab conducts research to advance risk management across the entire life cycle of chemical substances. It studies the movement, accumulation, and release into the environment of chemical substances, as well as their environmental fate, and develops methodologies for doing so. The lab examines how environmental risks of chemical substances should be assessed and managed, not only in normal times but also during disasters and accidents. It is a collaborative field with the National Institute for Environmental Studies (a cooperative graduate school arrangement) and is one of the fields in the Environmental Engineering Course.

Yoshiki Mikami, Professor
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The Joining Structural Design Field (Reliability Design Division) studies how to evaluate the performance and reliability of welded and joined members and various structures. The lab approaches evaluation along two axes: a time axis called "through-process," which spans the whole life cycle of a structure, and a spatial axis called "trans-scale," which ranges from micro to macro. In particular, the lab develops methods to evaluate the effects of thermal processing, typified by residual stress and distortion, from both microscopic and macroscopic perspectives. The lab aims to build a design science that can contribute to advancing structure-building processes that use welding and joining.

Ninshu Ma, Professor
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The Mathematical Analysis Field studies welding and joining technology for ships, which are huge structures built from metal. The lab mathematically models various phenomena in which welding heat sources, welding materials, and mechanical loads combine, and investigates them through numerical simulation. This technology can be applied to all kinds of structures, not only ships, and research on modeling and simulation is expected to lead to the evaluation of joining technologies for future transport equipment. To evaluate the safety of structures, the lab also addresses the thermodynamic phenomena of solid-state joining and additive manufacturing through research and development of numerical analysis software and measurement methods.
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