• 1225 Citations
  • 19 h-Index
19992019
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Research Output 1999 2019

  • 1225 Citations
  • 19 h-Index
  • 150 Article
  • 54 Conference contribution
  • 8 Patent
  • 1 Chapter
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Conference contribution
2019

Development of in Situ Methods for Battery Using a THz Chemical Microscope

Fujiwara, K., Akiwa, Y., Sakai, K., Kiwa, T. & Tsukada, K., Apr 25 2019, 2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018. Institute of Electrical and Electronics Engineers Inc., 8699770. (2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

electric batteries
Microscopes
microscopes
containers
Containers

Evaluation of Penetration of Cosmetic Liquid with Terahertz Time-Of-Flight Method

Morimoto, T., Kuroda, T., Sakai, K., Kiwa, T. & Tsukada, K., Apr 25 2019, 2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018. Institute of Electrical and Electronics Engineers Inc., 8699868. (2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cosmetics
penetration
evaluation
Liquids
liquids

Immune Assay Using a Micro-Flow Channels Detected by a Terahertz Chemical Microscopy

Kamiya, T., Iida, M., Sakai, K., Kiwa, T. & Tsukada, K., Apr 25 2019, 2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018. Institute of Electrical and Electronics Engineers Inc., 8699616. (2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

channel flow
Channel flow
Assays
Microscopic examination
Antigen-antibody reactions
2018

A sensitive AC magnetometer using a resonant excitation coil for magnetic fluid characterization in nonlinear magnetization region

Saari, M. M., Suhaimi, N. S., Lah, N. A. C., Sakai, K., Kiwa, T. & Tsukada, K., Oct 24 2018, 2018 IEEE International Magnetic Conference, INTERMAG 2018. Institute of Electrical and Electronics Engineers Inc., 8508784

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic fluids
Magnetometers
magnetometers
Magnetization
alternating current

Characterizing of corrosion backside of steel plates using extremely low-frequency eddy current testing with multiple-frequency magnetic-field exposure

Goda, T., Haga, Y., Tomioka, T., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2018, Electromagnetic Non-Destructive Evaluation (XXI). IOS Press, p. 130-135 6 p. (Studies in Applied Electromagnetics and Mechanics; vol. 43).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Eddy current testing
Inspection
Corrosion
Magnetic fields
Nondestructive examination

Concentration Dependence of IgG Immobilized on a Sensing Plate for Higher Sensitivity of a Terahertz Chemical Microscope

Iida, M., Kamiya, T., Sakai, K., Kiwa, T. & Tukada, K., Oct 25 2018, 2018 43rd International Conference on Infrared Millimeter and Terahertz Waves, IRMMW-THz 2018. IEEE Computer Society, Vol. 2018-September. 8509884

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antigen-antibody reactions
Labels
Microscopes
1 Citation (Scopus)

Detection Method Using a Dual-channel Magnetic Sensor for Steel Cracks in Complicated Structures

Hayashi, M., Nakamura, Y., Sakai, K., Kiwa, T., Tanikura, I. & Tsukada, K., Jan 1 2018, Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018. Su, Z., Yuan, S. & Sohn, H. (eds.). NDT.net, p. 580-586 7 p. (Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic sensors
Steel
Cracks
Eddy current testing
Noise

Detection of Ions in Solutions with Sub-Micro Liter Volumes Using a Terahertz Chemical Microscope

Maeno, Y., Kamiya, T., Kiwa, T., Sakai, K. & Tsukada, K., Oct 25 2018, 2018 43rd International Conference on Infrared Millimeter and Terahertz Waves, IRMMW-THz 2018. IEEE Computer Society, Vol. 2018-September. 8510464

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microscopes
Ions
Ion selective membranes
Sodium

Development of in situ methods for battery using a THz chemical microscope

Fujiwara, K., Akiwa, Y., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2018, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2018. OSA - The Optical Society, Vol. Part F113-CLEOPR 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microscopes
Containers
Electrodes

Evaluation of hardened and non- ardened regions using eddy current testing

Sakai, K., Ito, T., Kiwa, T. & Tsukada, K., Jan 1 2018, Electromagnetic Non-Destructive Evaluation (XXI). IOS Press, p. 1-8 8 p. (Studies in Applied Electromagnetics and Mechanics; vol. 43).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Eddy current testing
Hardness
Inspection
Steel
Automobiles

Evaluation of Li-ion battery using a Terahertz Chemical Microscope

Akiwa, Y., Fujiwara, K., Yoshikawa, Y., Teranisi, T., Sakai, K., Kiwa, T. & Tsukada, K., Oct 25 2018, 2018 43rd International Conference on Infrared Millimeter and Terahertz Waves, IRMMW-THz 2018. IEEE Computer Society, Vol. 2018-September. 8509878

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz waves
Microscopes
Lithium
Lithium-ion batteries

Evaluation of penetration of cosmetic liquids using terahertz time of flight method

Kuroda, T., Morimoto, T., Sakai, K., Kiwa, T. & Tsukada, K., Oct 25 2018, 2018 43rd International Conference on Infrared Millimeter and Terahertz Waves, IRMMW-THz 2018. IEEE Computer Society, Vol. 2018-September. 8510287

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cosmetics
Skin
Liquids

Evaluation of penetration of cosmetic liquid with Terahertz time-of-flight method

Morimoto, T., Kuroda, T., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2018, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2018. OSA - The Optical Society, Vol. Part F113-CLEOPR 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cosmetics
Liquids
Masks

Immune assay using a micro-flow channels detected by a terahertz chemical microscopy

Kamiya, T., Iida, M., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2018, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2018. OSA - The Optical Society, Vol. Part F113-CLEOPR 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Channel flow
Assays
Microscopic examination
Antigen-antibody reactions
Chemical reactions

Improvement in the detection performance of extremely low-frequency eddy current testing for application in underground steel corrosion detection

Wakabayashi, S., Tomioka, T., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2018, Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018. Su, Z., Yuan, S. & Sohn, H. (eds.). NDT.net, p. 512-518 7 p. (Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Underground corrosion
Eddy current testing
Steel corrosion
Corrosion
Steel

Thickness measurements using extremely low frequency eddy current testing via TMR sensors operated with AC modulation

Majima, Y., Nakamura, Y., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2018, Electromagnetic Non-Destructive Evaluation (XXI). IOS Press, p. 199-204 6 p. (Studies in Applied Electromagnetics and Mechanics; vol. 43).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Eddy current testing
Thickness measurement
Modulation
Sensors
Corrosion
2017
1 Citation (Scopus)

Detecting internal defects of a steel plate by using low-frequency magnetic flux leakage method

Song, N., Haga, Y., Goda, T., Sakai, K., Kiwa, T. & Tsukada, K., Apr 6 2017, SAS 2017 - 2017 IEEE Sensors Applications Symposium, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7894069

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel
Magnetic flux
magnetic flux
leakage
steels

Detection of inner cracks in thick steel plates using non-saturated AC magnetic flux leakage testing with a magnetic resistance gradiometer

Tsukada, K., Majima, Y., Nakamura, Y., Yasugi, T., Sakai, K. & Kiwa, T., Aug 10 2017, 2017 IEEE International Magnetics Conference, INTERMAG 2017. Institute of Electrical and Electronics Engineers Inc., 8007857

Research output: Chapter in Book/Report/Conference proceedingConference contribution

gradiometers
dams
Chemical plants
Steel
Magnetic flux
2016

A terahertz technology for label-free immune assay

Kiwa, T., Ogawa, M., Akimune, K., Nino, H., Sakai, K. & Tsukada, K., Jan 7 2016, 2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 3. 7376392

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Labels
Assays
microscopy
Microscopic examination
Lectins

Simultaneously detection two types of ions using THz chemical microscopy

Akimune, K., Okawa, Y., Sakai, K., Kiwa, T. & Tsukada, K., Jan 7 2016, 2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 3. 7376395

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microscopic examination
microscopy
Ions
ions
Radiation
2015

Automatic scanning system for back-side defect of steel structure using magnetic flux leakage method

Sakai, K., Morita, K., Haga, Y., Kiwa, T., Inoue, K. & Tsukada, K., Jul 14 2015, 2015 IEEE International Magnetics Conference, INTERMAG 2015. Institute of Electrical and Electronics Engineers Inc., 7157125

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel structures
Magnetic flux
Scanning
Defects
Inspection
2014

A terahertz chemical microscopy for an agar culture medium

Nino, H., Nakamura, A., Omura, K., Sakai, K., Kiwa, T. & Tsukada, K., Oct 17 2014, 2014 31th URSI General Assembly and Scientific Symposium, URSI GASS 2014. Institute of Electrical and Electronics Engineers Inc., 6930088

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microscopic examination
Microscopes
Glucose
Metabolism
Imaging techniques

Catalytic reactions of the fuel cells visualized by THz chemical microscope

Kusaka, T., Koiso, K., Sakai, K., Kiwa, T. & Tsukada, K., 2014, Optics InfoBase Conference Papers. Optical Society of American (OSA)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

fuel cells
Fuel cells
Microscopes
microscopes
Electrodes

Label-free detection of proteins using a terahertz chemical microscopy

Ogawa, M., Nakamura, A., Omura, K., Sakai, K., Kiwa, T. & Tsukada, K., Oct 17 2014, 2014 31th URSI General Assembly and Scientific Symposium, URSI GASS 2014. Institute of Electrical and Electronics Engineers Inc., 6930087

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antigen-antibody reactions
Labels
Microscopic examination
Proteins
Chemical potential

Multi-ion sensing in solutions by a terahertz chemical microscopy

Akimune, K., Okawa, Y., Hagiwara, T., Sakai, K., Kiwa, T. & Tsukada, K., Oct 17 2014, 2014 31th URSI General Assembly and Scientific Symposium, URSI GASS 2014. Institute of Electrical and Electronics Engineers Inc., 6930079

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microscopic examination
Ions
Membranes
Chemical potential
Chemical reactions
2013

Development of a compact magnetometer with an AC/DC magnetic field using HTS-SQUID

Takagi, R., Saari, M. M., Sakai, K., Kiwa, T. & Tsukada, K., 2013, 2013 IEEE 14th InternationalSuperconductive Electronics Conference, ISEC 2013. 6604309

Research output: Chapter in Book/Report/Conference proceedingConference contribution

SQUIDs
Magnetometers
Magnetic field measurement
Magnetic fields
Pickups

Evaluation of work function of the catalytic electrode in the fuel cells

Kiwa, T., Hagiwara, T., Kusaka, T., Sakai, K. & Tsukada, K., 2013, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. 6600102

Research output: Chapter in Book/Report/Conference proceedingConference contribution

fuel cells
Fuel cells
Anodes
Microscopes
Cathodes

Hydrogen gas response of meta-materials made from the catalytic metal

Sono, T., Shinomiya, M., Sakai, K., Kiwa, T. & Tsukada, K., 2013, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. 6600256

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hydrogen
transmittance
Gases
Metals
Substrates

Improvement of sensitivity for a compact magnetometer using HTS-SQUID with rotating sample

Hamasaki, D., Okamoto, N., Saari, M. M., Sakai, K., Kiwa, T. & Tsukada, K., 2013, 2013 IEEE 14th InternationalSuperconductive Electronics Conference, ISEC 2013. 6604306

Research output: Chapter in Book/Report/Conference proceedingConference contribution

SQUIDs
Magnetometers
Diamagnetic materials
Magnetic fields
Dewars

Nondestructive inspection of SiGe films using laser terahertz emission microscopy

Nakamura, A., Omura, K., Sakai, K., Kiwa, T. & Tsukada, K., 2013, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. 6600524

Research output: Chapter in Book/Report/Conference proceedingConference contribution

inspection
Microscopic examination
Inspection
microscopy
Lasers

Terahertz properties from the surface of strained SiGe on Si multilayered structure

Omura, K., Nakamura, A., Kiwa, T., Yamashita, Y., Sakai, K. & Tsukada, K., 2013, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. 6665819

Research output: Chapter in Book/Report/Conference proceedingConference contribution

LSI circuits
Carrier mobility
Lasers

Visualization of the catalytic reactions in the fuel cells using THz chemical microscope

Hagiwara, T., Kusaka, T., Kiwa, T., Sakai, K. & Tsukada, K., 2013, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. 6665916

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fuel cells
Microscopes
Visualization
Terahertz waves
Electrodes
2010

Chemical imaging of μ-TAS using terahertz chemical microscope

Kiwa, T., Minami, Y., Kondo, Y., Hashimoto, Y., Kawayama, I., Tonouchi, M. & Tsukada, K., 2010, IRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide. 5613018

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chemical potential
Microscopes
Ultrashort pulses
Imaging techniques
Wavelength

Control of terahertz wave front using arrayed terahertz emission device

Beppu, K., Sugimoto, T., Kiwa, T. & Tsukada, K., 2010, IRMMW-THz 2010 - 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Conference Guide. 5612739

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz waves
Bias voltage
2009
2 Citations (Scopus)

Dual gate FET hydrogen gas sensor

Tsukada, K., Kariya, M., Yamaguchi, T., Kiwa, T., Yamada, H., Maehara, T., Yamamoto, T. & Kunitsugu, S., 2009, Proceedings of IEEE Sensors. p. 517-519 3 p. 5398290

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Field effect transistors
Chemical sensors
Gates (transistor)
Hydrogen
Sensors

Evaluation of the catalytic metal for the hydrogen sensor using terahertz chemical microscope

Sugimoto, T., Kondo, Y., Kiwa, T., Kawayama, I., Tonouchi, M. & Tsukada, K., 2009, 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. 5325729

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Platinum
Microscopes
Hydrogen
Chemical potential
Sensors

Hydrogen gas diffusion imaging using multiple FET type gas sensors

Kiwa, T., Yamaguchi, T., Tsubota, K., Naruyama, W., Yamada, H. & Tsukada, K., 2009, Proceedings of the 2009 IEEE International Conference on Networking, Sensing and Control, ICNSC 2009. p. 282-286 5 p. 4919287

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Diffusion in gases
Field effect transistors
Chemical sensors
Imaging techniques
Hydrogen

Redox reaction imaging using THz chemical microscope

Minami, Y., Kiwa, T., Kawayama, I., Tonouchi, M. & Tsukada, K., 2009, 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. 5324691

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Redox reactions
Microscopes
Imaging techniques
Chemical potential
Sapphire
2008

Redox reactions of enzymes measured by terahertz chemical microscope

Kiwa, T., Kondo, J., Kawayama, I., Tonouchi, M. & Tsukada, K., 2008, 33rd International Conference on Infrared and Millimeter Waves and the 16th International Conference on Terahertz Electronics, 2008, IRMMW-THz 2008. 4665724

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Redox reactions
Microscopes
Enzymes
Terahertz waves
Surface potential
2007
2 Citations (Scopus)

Hydrogen response mechanism of a proton pumping gate FET gas sensor

Tsukada, K., Yamaguchi, T., Kiwa, T. & Yamada, H., 2007, Proceedings of IEEE Sensors. p. 1326-1329 4 p. 4388655

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Field effect transistors
Chemical sensors
Protons
Hydrogen
Modulation

Laser-terahertz emission from the chemical sensing plate

Kiwa, T., Kondo, J., Oka, S., Kawayama, I., Yamada, H., Tonouchi, M. & Tsukada, K., 2007, IRMMW-THz2007 - Conference Digest of the Joint 32nd International Conference on Infrared and Millimetre Waves, and 15th International Conference on Terahertz Electronics. p. 285-286 2 p. 4516500

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lasers
Protons
Thin films
Bias voltage
Ultrashort pulses

Laser-terahertz emission readout of chemical sensors

Kiwa, T., Kondo, J., Oka, S., Kawayama, I., Yamada, H., Tonouchi, M. & Tsukada, K., 2007, TRANSDUCERS and EUROSENSORS '07 - 4th International Conference on Solid-State Sensors, Actuators and Microsystems. p. 1915-1918 4 p. 4300533

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chemical sensors
Lasers
Thin films
Silicon
Silicon oxides
2006

Low frequency eddy current imaging using MR sensor detecting tangential magnetic components for non-destructing evaluation

Tsukada, K., Kiwa, T., Kawata, T. & Ishihara, Y., 2006, INTERMAG 2006 - IEEE International Magnetics Conference. p. 887 1 p. 4262320

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Eddy currents
Imaging techniques
Sensors
2005

Spatial analysis of the three dimensional components of a magnetocardiogram

Tsukada, K., Kiwa, T., Ogata, K., Miyashita, T. & Kandori, A., 2005, INTERMAG ASIA 2005: Digests of the IEEE International Magnetics Conference. p. 620 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz emission from catalytic-metal/semiconductor interface of hydrogen sensors

Kiwa, T., Tsukada, K., Suzuki, M., Tonouchi, M., Migitaka, S. & Yokosawa, K., 2005, Optics InfoBase Conference Papers. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Semiconductor materials
Hydrogen
sensors
Sensors
hydrogen

Terahertz emission properties from palladium/silicon interface

Kiwa, T., Tsukada, K., Suzuki, M., Tonouchi, M., Migitaka, S. & Yokosawa, K., 2005, Digest of Technical Papers - International Conference on Solid State Sensors and Actuators and Microsystems, TRANSDUCERS '05. Vol. 1. p. 263-266 4 p. 2C1.2

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Palladium
Silicon
Hydrogen
Radiation
Sensors
2004
1 Citation (Scopus)

Evaluation of spatial resolution in Laser-Terahertz emission microscope for inspecting electric faults in integrated circuits

Yamashita, M., Kiwa, T., Tonouchi, M. & Kawase, K., 2004, Proceedings of SPIE - The International Society for Optical Engineering. Hwu, R. J. (ed.). Vol. 5354. p. 104-111 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric fault currents
integrated circuits
Integrated circuits
Microscopic examination
Microscopes
3 Citations (Scopus)

Laser terahertz emission microscope for inspecting electrical failures in integrated circuits

Yamashita, M., Kiwa, T., Tonouchi, M., Nikawa, K., Otani, C. & Kawase, K., 2004, IMFEDK 2004 - International Meeting for Future of Electron Devices, Kansai. Institute of Electrical and Electronics Engineers Inc., p. 29-30 2 p. 1566392

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Integrated circuits
Microscopes
Lasers
Semiconductor devices
Inspection

Magnetic flux letters visualized by a laser-terahertz emission microscope

Tonouchi, M., Kiwa, T., Fukui, T. & Murakami, H., 2004, Proceedings of SPIE - The International Society for Optical Engineering. Hwu, R. J. (ed.). Vol. 5354. p. 112-120 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic flux
magnetic flux
Microscopes
microscopes
Terahertz waves
2 Citations (Scopus)

Non-contact measurement of MOSFET with zero bias voltage using the Laser-THz emission microscope

Yamashita, M., Kiwa, T., Tonouchi, M., Nikawa, K., Otani, C. & Kawase, K., 2004, Conference Digest of the 2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics. Thumm, M. & Wiesbeck, W. (eds.). p. 515-516 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

LSI circuits
Bias voltage
Microscopes
Lasers
Failure analysis