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Record Nr. |
UNINA9910512159003321 |
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Autore |
He Xin |
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Titolo |
Multispectral Image Sensors Using Metasurfaces / / by Xin He, Paul Beckett, Ranjith R Unnithan |
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Pubbl/distr/stampa |
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Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2021 |
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ISBN |
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Edizione |
[1st ed. 2021.] |
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Descrizione fisica |
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1 online resource (122 pages) |
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Collana |
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Progress in Optical Science and Photonics, , 2363-510X ; ; 17 |
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Disciplina |
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Soggetti |
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Optics |
Metamaterials |
Nanotechnology |
Materials - Analysis |
Imaging systems |
Optics and Photonics |
Nanoengineering |
Imaging Techniques |
Nanoscale Design, Synthesis and Processing |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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Introduction to Metasurfaces for Optical Applications -- Metasurfaces and Multispectral Imaging -- Transmission Enhancement in Coaxial Hole Array Based Plasmonic Color Filters -- CMY Camera using Nanorod Filter Mosaic Integrated on a CMOS Image Sensor -- A Single Sensor Based Multispectral Imaging Camera -- Hybrid Color Filters for Multispectral Imaging -- Conclusions and Future Outlook. |
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Sommario/riassunto |
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This book presents how metasurfaces are exploited to develop new low-cost single sensor based multispectral cameras. Multispectral cameras extend the concept of conventional colour cameras to capture images with multiple color bands and with narrow spectral passbands. Images from a multispectral camera can extract significant amount of additional information that the human eye or a normal camera fails to capture and thus have important applications in precision agriculture, forestry, medicine, object identifications, and classifications. |
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Conventional multispectral cameras are made up of multiple image sensors each externally fitted with a narrow passband wavelength filters, optics and multiple electronics. The need for multiple sensors for each band results in a number of problems such as being bulky, power hungry and suffering from image co-registration problems which in turn limits their wide usage. The above problems can be eliminated if a multispectral camera is developed using one single image sensor. |
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