Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Natsuhiko Mizutani"'
Autor:
Natsuhiko Mizutani, Kazuhisa Okano, Kazuhiro Ban, Sunao Ichihara, Akira Terao, Tetsuo Kobayashi
Publikováno v:
AIP Advances, Vol 4, Iss 5, Pp 057132-057132-7 (2014)
In a compact optically pumped atomic magnetometer (OPAM), there is a plateau in the sensitivity where the dependence of the sensitivity on pumping power is small compared with that predicted by the uniform polarization model. The mechanism that gener
Externí odkaz:
https://doaj.org/article/928aa0ca38504f1bba3d1bebf4118653
Publikováno v:
IEEE Transactions on Magnetics. 52:1-9
Highly sensitive magnetic sensors for biomagnetic measurements are often used in gradiometers to suppress the magnetic noise from the environment. We propose a differential measurement method in optically pumped atomic magnetometers, where the freque
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd3763bc3a4bacb02fec7563cfd9e80d
https://doi.org/10.1109/tmag.2016.2547364
https://doi.org/10.1109/tmag.2016.2547364
Autor:
Natsuhiko Mizutani, Tetsuo Kobayashi
Publikováno v:
IEEE Transactions on Magnetics. 48:4096-4099
The motion of spin polarization in a high-sensitivity optically pumped atomic magnetometer is described by the Bloch equation. We propose a magnetometer having two nonparallel probe beams to measure both the x and y components of spin polarization, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0636c07d6557338c644de9ba27c1cf14
https://doi.org/10.1109/tmag.2012.2200657
https://doi.org/10.1109/tmag.2012.2200657
Autor:
Yasuyuki Sugihara, Natsuhiko Mizutani, Shuji Taue, Tetsuo Kobayashi, Sunao Ichihara, Kiyoshi Ishikawa
Publikováno v:
IEEE TRANSACTIONS ON MAGNETICS. 46(9):3635-3638
We developed a highly sensitive optically pumped atomic magnetometer for measuring biomagnetic fields from the human body noninvasively. The sensor head was a cubic Pyrex glass cell containing potassium metal and buffer gases. A pump laser beam for s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbfef16c703704542670c5fe3e060662
http://hdl.handle.net/2433/146695
http://hdl.handle.net/2433/146695
Autor:
Yasuhisa Inao, Toshiki Ito, Takako Yamaguchi, Akira Terao, Tomohiro Yamada, Natsuhiko Mizutani, Ryo Kuroda
Publikováno v:
Microelectronic Engineering. 84:690-693
Near-field lithography (NFL) has no fundamental limit such as the diffraction limit of light. However, in order to fabricate resist patterns with hp 32nm, thorough optimization of various processes are indispensable. Previously, we reported on the us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8304fd6ea62f31ed1abee0daff99ca6
https://doi.org/10.1016/j.mee.2007.01.115
https://doi.org/10.1016/j.mee.2007.01.115
Publikováno v:
Journal of Photopolymer Science and Technology. 20:591-598
Polyhydroxystyrenes protected with three kinds of o-nitrobenzyl (NB) group are synthesized: 4,5- dimethoxy NB group (DNB), 4- monomethoxy NB group (MNB) and $alpha;-methyl 4,5- dimethoxy NB group (ADNB). Their solutions are formulated as photo-deprot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a08e2279864f673c70168bc975d4b4f0
https://doi.org/10.2494/photopolymer.20.591
https://doi.org/10.2494/photopolymer.20.591
Publikováno v:
Optics express. 23(5)
In the field of biomagnetic measurement, optically-pumped atomic magnetometers (OPAMs) have attracted significant attention. With the improvement of signal response and the reduction of sensor noise, the sensitivity of OPAMs is limited mainly by envi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60ff7440775706ebf00fc3d7a057faa9
https://pubmed.ncbi.nlm.nih.gov/25836917
https://pubmed.ncbi.nlm.nih.gov/25836917
Autor:
Kazuya Tsujimoto, Kazuhiro Ban, Akira Terao, Natsuhiko Mizutani, Osamu Tabata, Tetsuo Kobayashi, Yoshikazu Hirai
Publikováno v:
2015 Joint Conference of the IEEE International Frequency Control Symposium & the European Frequency and Time Forum.
An array system of optically pumped atomic magnetometers (OPAMs) that uses potassium vapor cells requires the quantity of potassium enclosed in the cells to be uniform. We describe a tablet-shaped potassium source, which generates a fixed amount of p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c2d0279aff038abd9328f0157f3fb41
https://doi.org/10.1109/fcs.2015.7138817
https://doi.org/10.1109/fcs.2015.7138817
Autor:
Masaya Ogino, Ryo Kuroda, Tomohiro Yamanaka, Yasuhisa Inao, Takako Yamaguchi, Natsuhiko Mizutani, Toshiki Ito
Publikováno v:
Journal of Photopolymer Science and Technology. 18:435-441
A resist pattern of half-pitch (hp) 50 nm, 120 nm deep was fabricated with near-field lithography (NFL) of i-line (l = 365 nm) using a positive-tone chemically amplified resist and a tri-layer resist process developed for NFL. The experimental result
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96179f9a3207ef068f83159f66d25a43
https://doi.org/10.2494/photopolymer.18.435
https://doi.org/10.2494/photopolymer.18.435
Autor:
Takahiro Numai, Natsuhiko Mizutani
Publikováno v:
Journal of Lightwave Technology. 19:222-229
A semiconductor ring laser is expected to be used as a tiny ring laser gyro with low power consumption, which is suitable for mobile systems. However, its corner mirrors may be beveled due to its fabrication processes. Therefore, in this paper, refle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0ae435f5cc42ddc9476f074dd912183
https://doi.org/10.1109/50.917887
https://doi.org/10.1109/50.917887