1.

Record Nr.

UNINA9910512159003321

Autore

He Xin

Titolo

Multispectral Image Sensors Using Metasurfaces / / by Xin He, Paul Beckett, Ranjith R Unnithan

Pubbl/distr/stampa

Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2021

ISBN

981-16-7515-5

Edizione

[1st ed. 2021.]

Descrizione fisica

1 online resource (122 pages)

Collana

Progress in Optical Science and Photonics, , 2363-510X ; ; 17

Disciplina

771

Soggetti

Optics

Metamaterials

Nanotechnology

Materials - Analysis

Imaging systems

Optics and Photonics

Nanoengineering

Imaging Techniques

Nanoscale Design, Synthesis and Processing

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

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.

Sommario/riassunto

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.



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.