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    Chapter

    Dielectric Elastomer Transducer (High-Efficiency Actuator and Power Generation System)

    In recent years, much research has been conducted on how to utilize dielectric elastomer (DE) transducers in order to build a sustainable social infrastructure in an energy recycling society. As one of the eff...

    S. Chiba, M. Waki, Y. Hirota, N. Nishikawa in EcoDesign for Sustainable Products, Servic… (2023)

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    Chapter and Conference Paper

    Sophisticated Rate Control of Respiration and Pulse during Sleep Studied by Body Motion Wave

    The purpose of the present study is to consider how respiration and pulse are controlled by autonomic nervous system during sleep, i.e., unconscious state. In addition, how and why slee** posture change occu...

    H. Okawai, T. Yajima, T. Imamatsu, J. Wada in XIII Mediterranean Conference on Medical a… (2014)

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    Chapter and Conference Paper

    Sol–gel synthesized powder and pulsed laser deposited film of amorphous indium zinc oxides doped with Fe

    Amorphous indium and zinc oxides (IZO) doped with various concentration of Fe were prepared by a sol–gel method. 1% Fe do** indicated the ferromagnetic behavior and showed the magnetic relaxation peaks in ad...

    K. Nomura, Y. Suzuki, S. Iio, T. Yajima, Y. Yamada, Y. Hirose, T. Hasegawa in ICAME 2007 (2009)

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    Chapter and Conference Paper

    Elasticity Distribution Imaging of Sliced Liver Cirrhosis and Hepatitis using a novel Tactile Map** System

    In the recent past, it has been indicated that the liver consistency can be useful to estimate functional reserve for hepatectomy however, it is still unknown how the liver gets hardened when it becomes chroni...

    Yoshinobu Murayama, T. Yajima, H. Sakuma in 11th Mediterranean Conference on Medical a… (2007)

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    Chapter and Conference Paper

    Ultrafast Relaxation of Excitons and Photopolymerization Process in Fullerenes

    We have studied relaxation dynamics of photoexcitation and initial processes of the photopolymerization in C60 molecules and solids by means of time- resolved spectroscopies. The femtosecond pump and probe spectr...

    A. Nakamura, M. Ichida, M. Sakai, T. Yajima in Relaxations of Excited States and Photo-In… (1997)

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    Chapter

    Fluorometric Determination of L-Kynurenine with Glycolaldehyde by High Performance Liquid Chromatography

    L-Kynurenine (KYN) is one of the metabolites of L-tryptophan(Trp) on the kynurenine pathway. The first step of the kynurenine pathway is an oxidative cleavage of the indole ring of Trp, which is catalyzed by t...

    H. Iizuka, H. Sugano, T. Yajima in Recent Advances in Tryptophan Research (1996)

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    Chapter and Conference Paper

    Femtosecond Quantum Beats in Excitons of a Layered Semiconductor BiI3

    In recent years, ultrafast relaxation processes of excitons in solids have been widely studied with the development of femtosecond lasers and measuring technique. With a coherent transient spectroscopy we can ...

    T. Tokizaki, A. Nakamura, Y. Ishida, T. Yajima, I. Akai in Ultrafast Phenomena VII (1990)

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    Chapter and Conference Paper

    Ultrafast Self-Phase Modulation in a Colliding Pulse Mode-Locked Ring Dye Laser

    In recent years, generation and application of ultrashort pulses from colliding pulse mode-locked (CPM) ring dye lasers [1–3] have attracted much attention for the study of ultrafast phenomena in the femtoseco...

    Yuzo Ishida, Kazunori Naganuma, T. Yajima, L. H. Lin in Ultrafast Phenomena IV (1984)

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    Chapter and Conference Paper

    Investigation of Subpicosecond Dephasing Processes by Transient Spatial Parametric Effect in Resonant Media

    The determination of dephasing time T2 (or transverse relaxation time) associated with excited states of materials is of importance for its significant influences on light-matter interaction. The values of T2 are...

    T. Yajima, Y. Ishida, Y. Taira in Picosecond Phenomena II (1980)

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    Chapter and Conference Paper

    Relaxation Study in the Extremely Short Time Region by Stationary and Transient Nonlinear Optical Spectroscopy

    An outline of new nonlinear spectroscopic methods which are developed for13 measuring ultrashort relaxation times of excited states in a range of 10−13– 10−14 s. They are all based on the third-order nonlinear op...

    T. Yajima, H. Souma, Y. Ishida, Y. Taira in Relaxation of Elementary Excitations (1980)

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    Chapter and Conference Paper

    Resonant Rayleigh-Type Mixing Spectroscopy Using a Picosecond Dye Laser System

    Resonant Rayleigh-type optical mixing [1–5] has recently been used as a useful method to determine the ultrashort relaxation times of far below 1 psec associated, for example, with electronic transitions of dy...

    H. Souma, Y. Taira, T. Yajima in Picosecond Phenomena (1978)