Ryo Katayama

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An optical disk system which uses a high numerical aperture (NA) objective lens is effective for achieving high recording density. However, in such a system, it is necessary to detect and compensate for the radial tilt of the disk, because the coma aberration which deteriorates the read/write characteristics increases and the radial tilt margin becomes(More)
Photo-thermal displacement measurement by laser interferometry involves the measurement of temperature change caused by illumination of the sample. To develop a system of detecting unlabeled homogeneous proteins based on laser interferometric measurement of photo-thermal displacement, we studied the interaction between aptamers and their target molecules by(More)
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