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Resampling the transmission matrix in an aberration-corrected Bessel mode basis
Optics Express
|December 28, 2020
Summary
Researchers accurately measured light transport statistics using Bessel modes to overcome limitations of conventional methods. This approach faithfully recovers key properties of light propagation through air.
Area of Science:
- Optics and Photonics
- Wave Phenomena
Background:
- The optical transmission matrix (TM) provides insights into light transport through scattering media.
- Accurate TM characterization relies on orthogonal and complete measurement bases.
- Conventional methods face challenges from sampling effects and optical aberrations.
Purpose of the Study:
- To investigate light transport statistics through a sample.
- To develop an experimental method for accurate TM measurement.
- To recover singular values, eigenvalues, and eigenmodes of light propagation.
Main Methods:
- Utilized a basis of Bessel modes of the first kind for TM measurement.
- Employed an experimental setup to probe light propagation through a finite thickness of air.
- Focused on overcoming sampling effects and optical aberrations inherent in traditional techniques.
Main Results:
- Successfully recovered singular values and eigenvalues of the TM.
- Identified the eigenmodes of light propagation.
- Demonstrated the fidelity of Bessel modes in capturing TM properties.
Conclusions:
- Bessel modes provide an accurate basis for optical transmission matrix measurements.
- This method overcomes limitations of conventional techniques for characterizing light transport.
- The study successfully recovered key optical properties of light propagation through air.
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