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Xiaobo Tian1, Xingzhou Tu1, Kimiko Della Croce2

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We developed a snapshot multi-wavelength quantitative polarization and phase microscope (MQPPM) to measure spectral polarization and phase. This tool can analyze live cells and birefringent samples simultaneously across visible spectra.

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Area of Science:

  • Optical microscopy
  • Biophysics
  • Materials science

Background:

  • Quantitative polarization and phase measurements are crucial for analyzing birefringent materials and biological samples.
  • Existing methods often lack simultaneous spectral and polarization information capture.
  • Advancements in imaging technology are needed for real-time analysis of dynamic samples.

Purpose of the Study:

  • To introduce a novel snapshot multi-wavelength quantitative polarization and phase microscope (MQPPM).
  • To enable simultaneous measurement of spectral-dependent polarization and phase information.
  • To provide a tool for analyzing birefringent and biological samples in visible spectra.

Main Methods:

  • Integration of a polarized light microscope and a snapshot quantitative phase microscope.
  • Utilization of a novel full-Stokes camera operating in the red, green, and blue (RGB) spectrum.
  • Simultaneous measurement of linear retardance and fast axis orientation.

Main Results:

  • Demonstration of spectral-dependent quantitative polarization and phase measurement capabilities.
  • Successful analysis of liquid crystal and various biological samples.
  • Validation of the MQPPM through theoretical analysis and experimental results.

Conclusions:

  • The MQPPM system successfully measures spectral polarization and phase information.
  • The microscope is capable of analyzing birefringent and biological samples simultaneously.
  • MQPPM is a promising tool for quantitative analysis of live cells and other dynamic samples.