Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Masanobu IWANAGA"'
Autor:
Masanobu Iwanaga
Publikováno v:
Photonics, Vol 11, Iss 11, p 1053 (2024)
Metasurfaces composed of silicon nanogap units have a variety of optical resonances, including bound states in the continuum (BIC). We show comprehensive numerical results on metasurfaces of Si-nanogap units, analyze the optical resonances, and clari
Externí odkaz:
https://doaj.org/article/ea04471d97884279b379964a9929378f
Autor:
Masanobu Iwanaga
Publikováno v:
Nanomaterials, Vol 13, Iss 24, p 3081 (2023)
Refractive-index optical sensors have been extensively studied. Originally, they were surface plasmon resonance sensors using only a flat gold film. Currently, to develop practically useful label-free optical sensors, numerous proposals for refractiv
Externí odkaz:
https://doaj.org/article/3487d687d3634413a4a277f6ef1bfeba
Autor:
Masanobu Iwanaga
Publikováno v:
Biosensors, Vol 13, Iss 3, p 377 (2023)
One of the most significant characteristics, which biosensors are supposed to satisfy, is robustness against abundant molecules coexisting with target biomolecules. In clinical diagnoses and biosensing, blood, plasma, and serum are used daily as samp
Externí odkaz:
https://doaj.org/article/8ae48f8ff82f449d80047d97147463c3
Autor:
Masanobu Iwanaga, Wanida Tangkawsakul
Publikováno v:
Biosensors, Vol 12, Iss 11, p 981 (2022)
COVID-19 (or SARS-CoV-2) has deeply affected human beings worldwide for over two years, and its flexible mutations indicate the unlikeliness of its termination in a short time. Therefore, it is important to develop a quantitative platform for direct
Externí odkaz:
https://doaj.org/article/53627447f9c347e4ac2717d73cc3fa7c
Autor:
Masanobu Iwanaga
Publikováno v:
Biosensors, Vol 12, Iss 11, p 987 (2022)
Worldwide infection due to SARS-CoV-2 revealed that short-time and extremely high-sensitivity detection of nucleic acids is a crucial technique for human beings. Polymerase chain reactions have been mainly used for the SARS-CoV-2 detection over the y
Externí odkaz:
https://doaj.org/article/5568214862794b8a8b0ae2daf1a7c641
Publikováno v:
Nanoscale Research Letters, Vol 13, Iss 1, Pp 1-13 (2018)
Abstract This study focuses on the experimental and numerical investigations for the degradation characteristics of a metasurface polarizer. The metasurface has a stacked complementary structure that exhibits a high extinction ratio of the order of 1
Externí odkaz:
https://doaj.org/article/56feaf59bc9b41d58da4f243c914f29b
Autor:
Masanobu Iwanaga
Publikováno v:
Biosensors, Vol 11, Iss 2, p 33 (2021)
Worldwide infection disease due to SARS-CoV-2 is tremendously affecting our daily lives. High-throughput detection methods for nucleic acids are emergently desired. Here, we show high-sensitivity and high-throughput metasurface fluorescence biosensor
Externí odkaz:
https://doaj.org/article/0ab3903744d941009c3e2792235f2464
Autor:
Masanobu Iwanaga
Publikováno v:
Nanomaterials, Vol 10, Iss 9, p 1739 (2020)
Metasurfaces are artificially designed, on-top, thin structures on bulk substrates, realizing various functions in recent years. Most metasurfaces have been conceived of for attaining optical functions, based on elaborate human knowledge-based design
Externí odkaz:
https://doaj.org/article/204f3f2d1e004d958541af6a9b47f85e
Autor:
Masanobu Iwanaga
Publikováno v:
Photonics, Vol 2, Iss 2, Pp 468-482 (2015)
Metamaterials (MMs) are subwavelength-structured materials that have been rapidly developed in this century and have various potentials to realize novel phenomena, such as negative refraction, cloaking and super-resolution. Theoretical proposals for
Externí odkaz:
https://doaj.org/article/b7e2545e1f0d4736aec442d05fe2dce0
Autor:
Masanobu Iwanaga
Publikováno v:
Applied Sciences, Vol 8, Iss 8, p 1328 (2018)
All-dielectric metasurfaces are an emerging subfield in photonics. Light-wave manipulation has been extensively explored in these metasurfaces. Although light–matter interaction has also been investigated in these metasurfaces, only a limited numbe
Externí odkaz:
https://doaj.org/article/3e05c82e74d54774acbf0c4e89606a0b