Search Results - "Ikezawa, Satoshi"
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Demonstration of focal length tuning by rotational varifocal moiré metalens in an ir-A wavelength
Published in Optics express (23-11-2020)“…This paper reports an experimental demonstration of moiré metalens which shows wide focal length tunability from negative to positive by mutual angle rotation…”
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2
Metasurface holographic movie: a cinematographic approach
Published in Optics express (03-08-2020)“…Animation for a metasurface hologram was achieved using a cinematographic approach. Time-lapsed images were reconstructed using sequentially arranged…”
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3
Demonstration of a multicolor metasurface holographic movie based on a cinematographic approach
Published in Optics express (09-05-2022)“…This study uses a dielectric metasurface to demonstrates a multicolor holographic movie. Overlapping of multiple-wavelength images at 445 nm, 532 nm, and 633…”
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4
Linear polarization-separating metalens at long-wavelength infrared
Published in Optics express (03-07-2023)“…We designed and fabricated a linear polarization-separation metalens (PSM) made of single-crystal silicon (sc-Si) for long-wavelength infrared (LWIR) imaging…”
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5
Polarization-separating Alvarez metalens
Published in Optics express (12-02-2024)“…The rapid advancements in optical communication technologies have highlighted traditional optical components' limitations, particularly in size, adaptability,…”
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Micro-Optical Line Generator Metalens for a Visible Wavelength Based on Octagonal Nanopillars Made of Single-Crystalline Silicon
Published in IEEE sensors journal (01-08-2022)“…Conventionally, silicon is less often selected as the material of dielectric metasurfaces in the visible band than other lossless materials, including titanium…”
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7
Rotational varifocal moiré metalens made of single-crystal silicon meta-atoms for visible wavelengths
Published in Nanophotonics (Berlin, Germany) (14-01-2022)“…Metasurface lenses (metalenses) offer an ultrathin and simple optical system with dynamic functions that include focal length tuning. In this study, a…”
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Highly-efficient full-color holographic movie based on silicon nitride metasurface
Published in Nanophotonics (Berlin, Germany) (2024)“…Metasurface holograms offer various advantages, including wide viewing angle, small volume, and high resolution. However, full-color animation of…”
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Shallow resistivity structure around the 2018 craters of Mt. Motoshirane of Kusatsu-Shirane Volcano, Japan, revealed by audio-frequency magnetotellurics
Published in Earth, planets, and space (01-12-2023)“…In 2018, a phreatic eruption occurred at Mt. Motoshirane, a pyroclastic cone group of the Kusatsu-Shirane Volcano in central Japan. The eruption was abrupt,…”
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10
Development of an optical pressure‐sensitive membrane based on plasmon resonance on a gold island film
Published in Electronics and communications in Japan (01-06-2021)“…In this paper, an optical pressure‐sensitive membrane based on plasmon resonance absorption has been designed, fabricated, and demonstrated. The membrane…”
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11
Endoscopic System Based on Intraoral Camera and Image Processing
Published in IEEE transactions on biomedical engineering (01-04-2019)“…Objective: In dentistry, dentists perform many treatments with a few visually magnified information. About deep area of root canals, it commonly relies on…”
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Fabrication of Two Different Probe Architectures for Ultra-Compact Image Sensors for Root Canal Observations
Published in IEEE sensors journal (01-07-2016)“…With the development of dental instruments, such as dental microscopes and cone beam computed tomography, the precision of current dental diagnosis and…”
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13
Fcγ Receptor Regulation of Citrobacter rodentium Infection
Published in Infection and Immunity (01-04-2008)“…Citrobacter rodentium, a murine model pathogen for enteropathogenic Escherichia coli, colonizes the colon utilizing attaching and effacing lesions to adhere…”
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14
Color animation by dielectric metasurface hologram made of silicon nanopillar
Published in 2021 Fifteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials) (20-09-2021)“…A multicolor holographic animation was designed and demonstrated by using dielectric metasurface hologram that consists of silicon nanopillars at the…”
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Conference Proceeding -
15
Highly efficient multifunctional metasurface integrating lens, prism, and wave plate
Published in Optics express (29-07-2024)“…The miniaturization of optical systems is crucial for various applications, including compact augmented reality/virtual reality devices, microelectromechanical…”
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Real scene capturing using spherical single-element lens camera and improved restoration algorithm for radially variant blur
Published in Optics express (03-12-2012)“…A camera module employing spherical single-element lens imaging system (SSLIS) is introduced in this study. This type of imaging system can be used in compact…”
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Optical Analytical Technique for Carbonaceous Particles Using Laser-Induced Electro-Avalanche Fluorescence and Laser-Induced Incandescence
Published in Sensors and materials (01-01-2013)“…This report describes an optical sensing system for fine particle detection using a combination of two techniques: laser-induced breakdown spectroscopy (LIBS)…”
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Successful treatment for advanced hepatocellular carcinoma by hepatic arterial infusion of CDDP powder as second-line chemotherapy
Published in Gan to kagaku ryoho (01-04-2006)“…A 72-year-old man with type C liver cirrhosis had suffered from hepatocellular carcinoma (HCC) since April, 2001. HCC spread diffusely all over the right lobe…”
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High Transmittance and High Diffraction Efficiency with SiN Metasurface Holograms
Published in 2024 IEEE 37th International Conference on Micro Electro Mechanical Systems (MEMS) (21-01-2024)“…The high 92% transmittance and 73% diffraction efficiency were achieved in polarization-independent full-color metasurface holograms made of silicon nitride…”
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Conference Proceeding -
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Outcomes of treatment with gemcitabine for unresectable pancreatic cancer
Published in Gan to kagaku ryoho (01-02-2004)“…The efficacy and safety of gemcitabine were investigated in 16 patients with unresectable pancreatic cancer (Arm A), compared with 16 patients who received…”
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