ArticleSensors (Basel, Switzerland)2022
Full-Stokes Retrieving and Configuration Optimization in a Time-Integration Imaging Polarimeter.
Article in Sensors (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Integrated Polarimetric Spectral Imaging Sensor Combining Spectral Imaging and Polarization Modulation Techniques.Sensors (Basel, Switzerland) · 2025Article
- Quantitative assessment of parameter requirements in a division of focal plane polarimeter.Scientific reports · 2025Article
- The Structural Types of the Polarization Detection Unit in Imaging Polarimeter Based on the Stokes Parameter Method.Sensors (Basel, Switzerland) · 2025Review
- In-Orbit Calibration of Phase Retardance for Channeled Spectropolarimeter.Sensors (Basel, Switzerland) · 2023Article
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4 authors.
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Abstract
A time-integration imaging polarimeter with continuous rotating retarder is presented, and its full-Stokes retrieving and configuration optimization are also demonstrated. The mathematical expression between the full-Stokes vector and the time-integration light intensities is derived. As a result, the state of polarization of incident light can be retrieved by only one matrix calculation. However, the modulation matrix deviates from the initial well-conditioned status due to time integration. Thus, we re-optimize the nominal angles for the special retardance of 132° and 90° with an exposure angle of 30°, which results in a reduction of 31.8% and 16.8% of condition numbers comparing to the original configuration, respectively. We also give global optimization results under different exposure angles and retardance of retarder; as a result, the 137.7° of retardance achieves a minimal condition number of 2.0, which indicates a well-conditioned polarimeter configuration. Besides, the frame-by-frame algorithm ensures the dynamic performance of the presented polarimeter. For a general brushless DC motor with a rotating speed of over 2000 rounds per minute, the speed of polarization imaging will achieve up to 270 frames per second. High precision and excellent dynamic performance, together with features of compactness, simplicity, and low cost, may give this traditional imaging polarimeter new life and attractive prospects.
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