3DI: A novel ion composition and three-dimensional velocity analyzer for the topside ionosphere
Ogasawara, Keiichi, George, Don E., Goldstein, Jerry, Hwang, Kyoung-Joo, Nishimura, Yukitoshi, Ruggles, David A., Stange, Jason L.
Published in Scientific reports (14.05.2020)
Published in Scientific reports (14.05.2020)
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Journal Article
A double-cusp type electrostatic analyzer for high-cadence solar-wind suprathermal ion observations
Ogasawara, Keiichi, Allegrini, Frédéric, Desai, Mihir I, Ebert, Robert W, Fuselier, Stephen A, Jahn, Jörg-Micha, Livi, Stefano A, McComas, David J
Published in Review of scientific instruments (01.11.2018)
Published in Review of scientific instruments (01.11.2018)
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Journal Article
Seven Sisters: a mission to study fundamental plasma physical processes in the solar wind and a pathfinder to advance space weather prediction
Nykyri, Katariina, Ma, Xuanye, Burkholder, Brandon, Liou, Yu-Lun, Cuéllar, Roberto, Kavosi, Shiva, Borovsky, Joseph E., Parker, Jeff, Rosen, Mitchell, De Moudt, Lauren, Ebert, Robert Wilkes, Ogasawara, Keiichi, Opher, Merav, Sibeck, David Gary, Di Matteo, Simone, Viall, Nicholeen, Wallace, Samantha, Jorgensen, Therese M., Hesse, Michael, West, Matthew J., Adhikari, Laxman, Argall, Matthew R., Egedal, Jan, Wilder, Frederick, Broll, Jeffrey, Poh, Gangkai, Wing, Simon, Russell, Christopher
Published in Frontiers in astronomy and space sciences (22.05.2023)
Published in Frontiers in astronomy and space sciences (22.05.2023)
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Journal Article
Avalanche photodiode based time-of-flight mass spectrometry
Ogasawara, Keiichi, Livi, Stefano A, Desai, Mihir I, Ebert, Robert W, McComas, David J, Walther, Brandon C
Published in Review of scientific instruments (01.08.2015)
Published in Review of scientific instruments (01.08.2015)
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Journal Article
Estimation of surface area of methane hydrate in the sand sediment using a dissociation-rate model
Nakayama, Takafumi, Ogasawara, Keiichi, Kiyono, Fumio, Torii, Honoka, Yamasaki, Akihiro, Sato, Toru
Published in Marine systems & ocean technology : journal of SOBENA--Sociedade Brasileira de Engenharia Naval (01.03.2018)
Published in Marine systems & ocean technology : journal of SOBENA--Sociedade Brasileira de Engenharia Naval (01.03.2018)
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Journal Article
Development and performance of a suprathermal electron spectrometer to study auroral precipitations
Ogasawara, Keiichi, Grubbs, 2nd, Guy, Michell, Robert G, Samara, Marilia, Stange, Jason L, Trevino, John A, Webster, James, Jahn, Jörg-Micha
Published in Review of scientific instruments (01.05.2016)
Published in Review of scientific instruments (01.05.2016)
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Journal Article
UV-Grade Silicon Photomultipliers for Direct Counting of Low-Energy Electrons and Protons
Ogasawara, Keiichi, Allegrini, Frederic, Dayeh, Maher A., Desai, Mihir I., Livi, Stefano A., Hakamata, Yasuo, Sato, Kenichi, Ujihara, Kotaro, Yamada, Ryuta
Published in IEEE transactions on nuclear science (01.10.2017)
Published in IEEE transactions on nuclear science (01.10.2017)
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Journal Article
Diamond Scattering Detectors for Compton Telescopes
Bloser, Peter F., Ogasawara, Keiichi, Trevino, John A., Legere, Jason S., Ryan, James M., McConnell, Mark L.
Published in 2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) (01.10.2019)
Published in 2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) (01.10.2019)
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Conference Proceeding
CONNECTION PART POLISHING DEVICE FOR TROLLEY WIRE
OKAWA TORU, KANATANI YUDAI, OTAKE YOSHIYUKI, UCHIMURA KAZUAKI, OGASAWARA KEIICHI, UENO SHINICHI
Year of Publication 11.01.2018
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Year of Publication 11.01.2018
Patent
Avalanche Photodiode Arrays Enable Large-Area Measurements of Medium-Energy Electrons
Ogasawara, K., Livi, S., Dayeh, M.A., Allegrini, F., Desai, M.I., McComas, D.J.
Published in IEEE transactions on nuclear science (01.08.2009)
Published in IEEE transactions on nuclear science (01.08.2009)
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Journal Article
Application of single-sided silicon strip detector to energy and charge state measurements of medium energy ions in space
Kasahara, S., Mitani, T., Ogasawara, K., Takashima, T., Hirahara, M., Asamura, K.
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21.05.2009)
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21.05.2009)
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Journal Article