Unified description of three-dimensional optical diffraction microscopy: from transmission microscopy to optical...

Area of Science:

• Optical microscopy
• Materials science
• Electromagnetism

Background:

• Optical diffraction microscopy provides rich data about sample properties.
• Relating microscope data to material characteristics like permittivity is crucial for advanced analysis.
• Existing models may be limited to specific microscope configurations.

Purpose of the Study:

• To present a general, versatile model for linking optical diffraction microscope data to sample permittivity.
• To provide a unified framework applicable across diverse microscopy techniques.
• To extend the analysis to include vector fields for a comprehensive understanding.

Main Methods:

• Development of a general theoretical model based on diffraction principles.
• Analysis of data from various optical diffraction microscope configurations (transmission, reflection, scanning, full-field).
• Inclusion of interferometric measurements and vector field generalizations.

Main Results:

• A unified model successfully links optical diffraction microscope data to sample permittivity.
• The model's applicability is demonstrated across a wide range of microscope setups and measurement modes.
• The framework is extended to handle vector fields, offering a more complete description.

Conclusions:

• The presented general model provides a powerful tool for quantitative analysis in optical diffraction microscopy.
• This unified approach simplifies the interpretation of data from diverse microscopic techniques.
• The model facilitates accurate determination of sample permittivity, crucial for materials characterization.