Polarisation-analysing CMOS photosensor with monolithically embedded wire grid polariser
Electronics letters, 2009•search.proquest.com
A novel polarisation-analysing CMOS photosensor is proposed, and its application
demonstrated. A wire grid structure configured with a metal wiring layer on a photosensor
pixel is used as an embedded polariser. The polarisation-dependent sensitivity of the
photosensor is demonstrated even in a wavelength region that is smaller than the grid pitch.
The polarimetric measurement of a sucrose solution is also demonstrated successfully.
demonstrated. A wire grid structure configured with a metal wiring layer on a photosensor
pixel is used as an embedded polariser. The polarisation-dependent sensitivity of the
photosensor is demonstrated even in a wavelength region that is smaller than the grid pitch.
The polarimetric measurement of a sucrose solution is also demonstrated successfully.
Abstract
A novel polarisation-analysing CMOS photosensor is proposed, and its application demonstrated. A wire grid structure configured with a metal wiring layer on a photosensor pixel is used as an embedded polariser. The polarisation-dependent sensitivity of the photosensor is demonstrated even in a wavelength region that is smaller than the grid pitch. The polarimetric measurement of a sucrose solution is also demonstrated successfully.
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