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Diffraction on periodic surface microrelief grating with positive or negative optical anisotropy.

Victor V Belyaev, Alexey S Solomatin, Hakob Margaryan

|September 25, 2020

Summary

This study details the calculation of diffraction parameters for optical elements using advanced software. These findings enable the creation of novel diffraction optical elements for various light spectrum applications.

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Area of Science:

Optics and Photonics
Materials Science

Background:

Diffraction optical elements (DOE) are crucial for image display and processing systems.
Materials exhibiting both positive and negative birefringence significantly improve DOE performance.

Purpose of the Study:

To calculate diffraction parameters for optically anisotropic gratings.
To analyze the behavior of TE- and TM-waves in materials with optical anisotropy.

Main Methods:

Utilized original Exedeep software for ray diffraction calculations.
Simulated diffraction for transmitted and reflected waves.

Main Results:

First-time calculation of diffraction parameters for materials with positive and negative optical anisotropy.
Analysis of both transmitted and reflected TE- and TM-waves.

Conclusions:

Simulation results provide a basis for developing advanced DOE.
Applications span visible, UV, IR, and THz spectral ranges.