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Teachers List

上原 日和
Assistant Professor

UEHARA, Hiyori

Teaching content

Our research theme is plasma diagnostics by using high power laser sources.

To achieve a high-precision prasma diagnostics (sensitivity, time resolution, spatial resolution), we are developing the high performance laser sources with high power, high pulse energy, high conversion efficiency, high beam quality and so on.

We are also interested in the laser sources with emission wavelengths of new wavelength region (e.g. UV, mid-IR and far-IR), which will open up the novel measurement techniques of plasma conditions or environment at around LHD.

Various applications are expected using new optical devices mounting our laser souces, in the field of not only plasma physics but also analytical chemistry, medicine, and industrial field (e.g. remote sensing, laser processing…).

Course Division of Fusion System
Affiliation High-Temperature Plasma Physics Research Division
Department Laser Diagnostics Research Section
Degree Doctor of Engineering
Works -Hiyori Uehara, Takanori Tsunai, Bingyu Han, Kenji Goya, Ryo Yasuhara, Fedor Potemkin, Junji Kawanaka, and Shigeki Tokita, “40  kHz, 20  ns acousto-optically Q-switched 4  µm Fe:ZnSe laser pumped by a fluoride fiber laser,” Optics Letters 45(10), 2788-2791 (2020).

-Hiyori Uehara, Daisuke Konishi, Kenji Goya, Ryo Sahara, Masanao Murakami, and Shigeki Tokita, “Power scalable 30-W mid-infrared fluoride fiber amplifier,” Optics Letters 44(19), 4777-4780 (2019).

-Hiyori Uehara, Shigeki Tokita, Junji Kawanaka, Daisuke Konishi, Masanao Murakami, Seiji Shimizu and Ryo Yasuhara, “Optimization of laser emission at 2.8 μm by Er:Lu2O3 ceramics,” Optics Express 26(3), 3497-3507 (2018).
Research Map


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