Journal
OPTICA
Volume 8, Issue 7, Pages 984-994Publisher
OPTICAL SOC AMER
DOI: 10.1364/OPTICA.422836
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Funding
- National Natural Science Foundation of China [61927818]
- Natural Science Foundation of Chongqing [cstc2020jcyj-cxttX0005]
- Fundamental Research Funds for the Central Universities [10611CDJXZ238826]
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The article introduces a polarization-conversion-based optical microscope that directly acquires the distribution of three orthogonal polarizations in focused light and demonstrates its validity by characterizing super-resolution focused light with different incident polarizations.
Polarization is a significant factor in a great variety of optical phenomena, playing an important role in determining the focusing properties of lenses, in the resolution of optical systems, and in the performance during laser processing. Knowing the polarization distribution in focused light is critical to understanding and designing relevant optical devices and systems. However, it remains challenging to characterize the vectorial polarization distribution in optical fields. We develop a polarization-conversion-based optical microscope for directly acquiring the distribution of three orthogonal polarizations in focused light and theoretically prove and experimentally demonstrate its validity by characterizing super-resolution focused light with different incident polarizations. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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