Non-destructive observations of small crack using scanning laser-induced acoustic microscope

Authors: Atsuhiro KOYAMA, Toru TAKASE, Fumitaka MOTOMURA, Hiroki KOGA, Satoshi RYU, Yoji SHIBUTANI

Source: Mechanical Engineering Journal, Vol 3, Iss 6, Pp 16-00147-16-00147 (2016)

Subject Terms: scanning laser-induced acoustic microscope, non-destructive observation, crack, thermal stress wave, acoustic wave, Mechanical engineering and machinery, TJ1-1570

File Description: electronic resource

Relation: https://www.jstage.jst.go.jp/article/mej/3/6/3_16-00147/_pdf/-char/en; https://doaj.org/toc/2187-9745

Access URL: https://doaj.org/article/a0c701d5d5244bb8a6bc2cdb77ca3d06

Performance of THz-TDS using 1.5 μm femtosecond fiber laser with InP Schottky and DAST emitters

Authors: Masayoshi Tonouchi, Hiroki Koga, Kei Takeya, Iwao Kawayama, Hironaru Murakami, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori

Source: 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on. :1-2 May, 2008

Relation: 2008 Conference on Lasers and Electro-Optics (CLEO) & 2008 Conference on Quantum Electronics & Laser Science (QELS)

Wave absorbing properties of polymer-carbon nanocomposites in the THz region

Authors: Kenichiro Tanaka, Yukihiro Fujiyama, Ryota Tomokane, Hiroki Koga, Seiji Akita, Toshikazu Nosaka, Yoshikazu Nakayama, Masayoshi Tonouchi

Source: 2007 Joint 32nd International Conference on Infrared and Millimeter Waves and the 15th International Conference on Terahertz Electronics Infrared and Millimeter Waves, 2007 and the 2007 15th International Conference on Terahertz Electronics. IRMMW-THz. Joint 32nd International Conference on. :346-347 Sep, 2007

Relation: 2007 Joint 32nd International Conference on Infrared and Millimeter Waves and 15th International Conference on Terahertz Electronics

Recent progress in laser terahertz emission microscopy toward high-resolution imaging

Authors: Sunmi Kim, Hiroki Koga, Hironaru Murakami, Masayoshi Tonouchi

Source: 2007 Joint 32nd International Conference on Infrared and Millimeter Waves and the 15th International Conference on Terahertz Electronics Infrared and Millimeter Waves, 2007 and the 2007 15th International Conference on Terahertz Electronics. IRMMW-THz. Joint 32nd International Conference on. :1006-1008 Sep, 2007

Relation: 2007 Joint 32nd International Conference on Infrared and Millimeter Waves and 15th International Conference on Terahertz Electronics

This result is not displayed to guests.
Login for full access.

Clarify Sit-to-Stand Muscle Synergy and Tension Changes in Subacute Stroke Rehabilitation by Musculoskeletal Modeling

Authors: Ruoxi Wang, Qi An, Ningjia Yang, Hiroki Kogami, Kazunori Yoshida, Hiroshi Yamakawa, Hiroyuki Hamada, Shingo Shimoda, Hiroshi R. Yamasaki, Moeka Yokoyama, Fady Alnajjar, Noriaki Hattori, Kouji Takahashi, Takanori Fujii, Hironori Otomune, Ichiro Miyai, Atsushi Yamashita, Hajime Asama

Source: Frontiers in Systems Neuroscience, Vol 16 (2022)

Subject Terms: muscle tension, muscle synergy, sit-to-stand (STS), stroke, subacute rehabilitation, EMG normalization, Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fnsys.2022.785143/full; https://doaj.org/toc/1662-5137

Access URL: https://doaj.org/article/1a2594ee300e45d9aeadf45323f52131

This result is not displayed to guests.
Login for full access.

Basic Properties of the (t, n)-Threshold Visual Secret Sharing Scheme with Perfect Reconstruction of Black Pixels.

Authors: Hiroki Koga, Etsuyo Ueda

Source: Designs, Codes & Cryptography; Jul2006, Vol. 40 Issue 1, p81-102, 22p

This result is not displayed to guests.
Login for full access.

This result is not displayed to guests.
Login for full access.

This result is not displayed to guests.
Login for full access.