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Outline

Our team investigates new optical technologies for solving world-wide environmental and energy problems. We are mainly developing remote-sensing system of poisonous gas, lidar as an atmospheric monitor for high energy cosmic ray observation, and solar-pumped laser for advanced energy source. We are also developing tunable laser-based biosensors for biomedical and agricultural applications. These researches will contribute to build and to maintain social environment that humans can live safely. Moreover, we are investigating fundamental research topics including particle control with high power Lyman α coherent source, and development of laser pumped neutron source. New applied researches were performed on the basis of basic research of laser materials, and nonlinear optics.

Fields

Engineering, Physics, Biology / Biochemistry, Agricultural Sciences, Medicine, dentistry, and pharmacy

Keywords

Particle control and measurement, Medical and agricultural measurement, Trace gas measurement, Natural energy, Space applications

Subjects

1. Mid-infrared Electronic Wavelength Tuning via Intracavity Differencefrequency Mixing in Cr:ZnSe Laser
2. Development of Next-Generation Agri-photonics Research
3. Development of laser irradiation technology and a laser for space
4. Development of renewable energy supply systems for hydrogen energy production, storage,and utilization
5. Visualizing human judgment in diagnostics of infrastructure
6. Application to biomedical, agricultural, and industrial measurement using lasers and photoacoustic wave

Selected Publications

1. Mao, Z., Fukuma, Y., Tsukada, H., and Wada, S.: “Risk prediction of chronic diseases with a two-stage semi-supervised clustering method” , Preventive Medicine Reports, Volume 32, 102129 (2023).
2. Yumoto, M., Miyata, K., Kawata Y., and Wada, S.: “Mid-infrared electronic wavelength tuning through intracavity difference-frequency mixing in Cr:ZnSe laser” , Scientific Reports, volume 12, Article number 16576 (2022).
3. Tsuno, K., Wada, S., Ogawa, T., Saito, N., Fukushima, T., Ebisuzaki, T., Nakamura, Y., and Sasoh, A.: “Laser ablation induced impulse study for removal of space debris mission using small satellite” , Applied Physics A, volume 128, Article number 932 (2022).
4. Yumoto, M., Kawata, Y., and Wada, S.: “Mid infrared scanning cavity ring down CH2F2 detection using electronically tuned Cr:ZnSe laser” , Scientific Reports, volume 12, Article number 7879 (2022).
5. Lo, CW., Matsuura, R., Iimura, K., Wada, S., Shinjo. A., Benno, Y., Nakagawa, M., Takei, M., and Aida, Y.: “UVC disinfects SARS-CoV-2 by induction of viral genome damage without apparent effects on viral morphology and proteins", Scientific Reports, 11, 13804 (2021).

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