A polarisation‐analysing CMOS image sensor for sensitive polarisation modulation detection

In this study, a polarisation‐analysing CMOS image sensor is fabricated for sensitive polarisation modulation detection. Although the image sensor with on‐pixel polarisers can image the incident polarisation collectively, its sensitivity to a weak polarisation change is not high. With the proposed m...

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Bibliographic Details
Published in:Electronics letters 2021-06, Vol.57 (12), p.472-474
Main Authors: Okada, R., Sasagawa, K., Haruta, M., Takehara, H., Tashiro, H., Ohta, J.
Format: Article
Language:English
Subjects:
CMOS
CMOS integrated circuits
Ethanol
Image enhancement
Image sensors
Light
Polarization modulation
Polarizers
Sensitivity analysis
Sensors
Signal processing
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Summary:In this study, a polarisation‐analysing CMOS image sensor is fabricated for sensitive polarisation modulation detection. Although the image sensor with on‐pixel polarisers can image the incident polarisation collectively, its sensitivity to a weak polarisation change is not high. With the proposed method, an external polariser is used to enhance the polarisation modulation sensitivity with a polarisation image sensor. The performance of this highly sensitive polarisation image sensor and imaging experiments are evaluated using a flow channel.
ISSN:0013-5194
1350-911X
DOI:10.1049/ell2.12169