Integrated polarization-analyzing CMOS image sensor for detecting incoming light ray direction

Integrated polarization-analyzing CMOS image sensor for detecting incoming light ray direction

A CMOS image sensor with an integrated wire grid polarizer to sense the polarization of light is presented. The chip consists of an array of 128 by 128 pixels, it occupies an area of 5 × 4 mm 2 and it has been designed and fabricated in a CMOS 180 nm process. The integrated grid polarizer is oriente...

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Bibliographische Detailangaben
Hauptverfasser: Sarkar, M., San Segundo Bello, D., van Hoof, C., Theuwissen, A.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
CMOS image sensor
CMOS image sensors
Image sensors
Insects
Light scattering
Metal grid
Navigation
Optical arrays
Optical polarization
Polarization
Sensor arrays
Stokes parameters
Sun
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Beschreibung
Zusammenfassung:A CMOS image sensor with an integrated wire grid polarizer to sense the polarization of light is presented. The chip consists of an array of 128 by 128 pixels, it occupies an area of 5 × 4 mm 2 and it has been designed and fabricated in a CMOS 180 nm process. The integrated grid polarizer is oriented in various directions to compute the Stokes parameters which can be used to determine the degree of polarization of the incoming light ray.
DOI:10.1109/SAS.2010.5439404