Design, fabrication and characterization of a polarization-sensitive focal plane array

Dmitry Vorobiev; Zoran Ninkov

doi:10.1117/12.2083391

13 March 2015 Design, fabrication and characterization of a polarization-sensitive focal plane array

Dmitry Vorobiev, Zoran Ninkov

Proceedings Volume 9403, Image Sensors and Imaging Systems 2015; 94030A (2015) https://doi.org/10.1117/12.2083391
Event: SPIE/IS&T Electronic Imaging, 2015, San Francisco, California, United States

Abstract

Measurement of polarization is a powerful yet underutilized technique, with potential applications in remote sensing, astronomy, biomedical imaging and optical metrology. We present the design, fabrication and characterization of a CCD-based polarization-sensitive focal plane array (FPA). These devices are compact permanently aligned detectors capable of determining the degree and angle of linear polarization in a scene, with a single exposure, over a broad spectral range. To derive the polarization properties, we employ a variation of the division-of-focal plane modulation strategy. The devices are fabricated by hybridizing a micropolarizer array (MPA) with a CCD. The result is a "general-purpose" polarization-sensitive imaging sensor, which can be placed at the focal plane of a wide number of imaging systems (and even spectrographs). We present our efforts to date in developing this technology and examine the factors that fundamentally limit the performance of these devices.

Citation Download Citation

Dmitry Vorobiev and Zoran Ninkov "Design, fabrication and characterization of a polarization-sensitive focal plane array", Proc. SPIE 9403, Image Sensors and Imaging Systems 2015, 94030A (13 March 2015); https://doi.org/10.1117/12.2083391

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