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Journal Articles

Impedance-matched high-overtone bulk acoustic resonator

M. Kurosu, D. Hatanaka, R. Ohta, H. Yamaguchi, Y. Taniyasu, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 122201 (2023)
https://doi.org/10.1063/5.0141405
Published: March 2023
View articletitled, Impedance-matched high-overtone bulk acoustic resonator
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Includes: Supplementary data
Journal Articles

Scattering mechanism of hole carriers in organic molecular semiconductors deduced from analyses of terahertz absorption spectra using Drude–Anderson model

Y. Han, T. Miyamoto, T. Otaki, N. Takamura, N. Kida, N. Osakabe, J. Tsurumi, S. Watanabe, T. Okamoto, J. Takeya, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 053302 (2022)
https://doi.org/10.1063/5.0073133
Published: February 2022
View articletitled, Scattering mechanism of hole carriers in organic molecular semiconductors deduced from analyses of terahertz absorption spectra using Drude–Anderson model
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Includes: Supplementary data
Journal Articles

Long-term stabilization of carrier envelope phases of mid-infrared pulses for the precise detection of phase-sensitive responses to electromagnetic waves

T. Yamakawa, N. Sono, T. Kitao, T. Morimoto, N. Kida, T. Miyamoto, H. Okamoto
Journal: AIP Advances
AIP Advances 10, 025311 (2020)
https://doi.org/10.1063/1.5143049
Published: February 2020
View articletitled, Long-term stabilization of carrier envelope phases of mid-infrared pulses for the precise detection of phase-sensitive responses to electromagnetic waves
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Includes: Supplementary data
Journal Articles

Evaluating intrinsic mobility from transient terahertz conductivity spectra of microcrystal samples of organic molecular semiconductors

H. Yada, H. Sekine, T. Miyamoto, T. Terashige, R. Uchida, T. Otaki, F. Maruike, N. Kida, T. Uemura, S. Watanabe, T. Okamoto, J. Takeya, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 115, 143301 (2019)
https://doi.org/10.1063/1.5118262
Published: September 2019
View articletitled, Evaluating intrinsic mobility from transient terahertz conductivity spectra of microcrystal samples of organic molecular semiconductors
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Includes: Supplementary data
Journal Articles

Elliptically polarized terahertz radiation from a chiral oxide

R. Takeda, N. Kida, M. Sotome, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 131114 (2015)
https://doi.org/10.1063/1.4932378
Published: October 2015
View articletitled, Elliptically polarized terahertz radiation from a chiral oxide
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Includes: Supplementary data
Journal Articles

Optically induced strong intermodal coupling in mechanical resonators at room temperature

R. Ohta, H. Okamoto, R. Hey, K. J. Friedland, H. Yamaguchi
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 091906 (2015)
https://doi.org/10.1063/1.4930149
Published: September 2015
View articletitled, Optically induced strong intermodal coupling in mechanical resonators at room temperature
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Journal Articles

Autoresonances with a damping force

H. Higaki, Y. Abo, K. Ito, H. Okamoto, K. Gomberoff
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1668, 050006 (2015)
https://doi.org/10.1063/1.4923125
Published: June 2015
View articletitled, Autoresonances with a damping force
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Journal Articles

Production of Arq+ ions with a tandem linear Paul trap

H. Higaki, K. Nagayasu, T. Iwai, K. Ito, H. Okamoto
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1668, 040006 (2015)
https://doi.org/10.1063/1.4923119
Published: June 2015
View articletitled, Production of Arq+ ions with a tandem linear Paul trap
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Journal Articles

A pseudo-single-crystalline germanium film for flexible electronics

H. Higashi, K. Kasahara, K. Kudo, H. Okamoto, K. Moto, J.-H. Park, S. Yamada, T. Kanashima, M. Miyao, I. Tsunoda, K. Hamaya
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 041902 (2015)
https://doi.org/10.1063/1.4906612
Published: January 2015
View articletitled, A pseudo-single-crystalline germanium film for flexible electronics
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Journal Articles

Self-imaging confirmed in plasmonic channel waveguides at visible wavelengths

H. Okamoto, K. Kusaka, K. Yamaguchi, T. Ohtsu, M. Haraguchi, T. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 221106 (2014)
https://doi.org/10.1063/1.4903177
Published: December 2014
View articletitled, Self-imaging confirmed in plasmonic channel waveguides at visible wavelengths
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Journal Articles

Carrier dynamics of rubrene single-crystals revealed by transient broadband terahertz spectroscopy

H. Yada, R. Uchida, H. Sekine, T. Terashige, S. Tao, Y. Matsui, N. Kida, S. Fratini, S. Ciuchi, Y. Okada, T. Uemura, J. Takeya, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 143302 (2014)
https://doi.org/10.1063/1.4897530
Published: October 2014
View articletitled, Carrier dynamics of rubrene single-crystals revealed by transient broadband terahertz spectroscopy
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Includes: Supplementary data
Journal Articles

Visualization of ferroelectric domains in a hydrogen-bonded molecular crystal using emission of terahertz radiation

M. Sotome, N. Kida, S. Horiuchi, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 041101 (2014)
https://doi.org/10.1063/1.4890939
Published: July 2014
View articletitled, Visualization of ferroelectric domains in a hydrogen-bonded molecular crystal using emission of terahertz radiation
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Includes: Supplementary data
Journal Articles

Photocarrier dynamics in anatase TiO2 investigated by pump-probe absorption spectroscopy

H. Matsuzaki, Y. Matsui, R. Uchida, H. Yada, T. Terashige, B.-S. Li, A. Sawa, M. Kawasaki, Y. Tokura, H. Okamoto
Journal: Journal of Applied Physics
J. Appl. Phys. 115, 053514 (2014)
https://doi.org/10.1063/1.4864219
Published: February 2014
View articletitled, Photocarrier dynamics in anatase TiO2 investigated by pump-probe absorption spectroscopy
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Journal Articles

Development of aerosol and cloud retrieval algorithms using ATLID and MSI data of EarthCARE

T. Nishizawa, A. Higurashi, N. Sugimoto, I. Matsui, A. Shimizu, H. Okamoto
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1531, 472–475 (2013)
https://doi.org/10.1063/1.4804809
Published: May 2013
View articletitled, Development of aerosol and cloud retrieval algorithms using ATLID and MSI data of EarthCARE
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Journal Articles

Large second-order optical nonlinearity in a ferroelectric molecular crystal of croconic acid with strong intermolecular hydrogen bonds

R. Sawada, H. Uemura, M. Sotome, H. Yada, N. Kida, K. Iwano, Y. Shimoi, S. Horiuchi, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 162901 (2013)
https://doi.org/10.1063/1.4802727
Published: April 2013
View articletitled, Large second-order optical nonlinearity in a ferroelectric molecular crystal of croconic acid with strong intermolecular hydrogen bonds
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Includes: Supplementary data
Journal Articles

Fermi level shift in La2−xSrxCuO4 probed by heteroepitaxial junctions with Nb-doped SrTiO3

B.-S. Li, A. Sawa, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 111606 (2013)
https://doi.org/10.1063/1.4798252
Published: March 2013
View articletitled, Fermi level shift in La2−xSrxCuO4 probed by heteroepitaxial junctions with Nb-doped SrTiO3
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Journal Articles

Charge modulation infrared spectroscopy of rubrene single-crystal field-effect transistors

R. Uchida, H. Yada, M. Makino, Y. Matsui, K. Miwa, T. Uemura, J. Takeya, H. Okamoto
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 093301 (2013)
https://doi.org/10.1063/1.4794055
Published: March 2013
View articletitled, Charge modulation infrared spectroscopy of rubrene single-crystal field-effect transistors
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Journal Articles

An electromechanical membrane resonator

D. Hatanaka, I. Mahboob, H. Okamoto, K. Onomitsu, H. Yamaguchi
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 063102 (2012)
https://doi.org/10.1063/1.4742868
Published: August 2012
View articletitled, An electromechanical membrane resonator
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Journal Articles

Consideration of sub-cooled LN2 circulation system for HTS power machines

Shigeru Yoshida, Hirokazu Hirai, N. Nara, T. Nagasaka, M. Hirokawa, H. Okamoto, H. Hayashi, Y. Shiohara
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1434, 1649–1656 (2012)
https://doi.org/10.1063/1.4707097
Published: June 2012
View articletitled, Consideration of sub-cooled LN2 circulation system for HTS power machines
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Journal Articles

Neon turbo-Brayton cycle refrigerator for HTS power machines

Hirokazu Hirai, M. Hirokawa, Shigeru Yoshida, N. Nara, S. Ozaki, H. Hayashi, H. Okamoto, Y. Shiohara
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1434, 1672–1679 (2012)
https://doi.org/10.1063/1.4707100
Published: June 2012
View articletitled, Neon turbo-Brayton cycle refrigerator for HTS power machines
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