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Related Experiment Video

Updated: May 30, 2026

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

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Published on: April 1, 2020

Closed form analytical inverse solutions for Risley-prism-based beam steering systems in different configurations.

¹yajun_li@yahoo.com

|August 12, 2011

Summary

This study presents an exact solution for nonparaxial ray tracing through Risley prisms, crucial for free-space optical communications. The findings enable precise beam steering and customizable scan patterns for advanced optical systems.

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Area of Science:

Optics and Photonics
Free-Space Optical Communications

Background:

Risley prisms are optical components used for beam steering.
Accurate modeling is essential for applications like free-space optical communications.

Purpose of the Study:

To derive an exact solution for nonparaxial ray tracing through Risley prisms.
To compare the exact solution with existing third-order theory.
To explore the synthesis of scan patterns using Risley prisms.

Main Methods:

Nonparaxial ray tracing was performed for four Risley prism configurations.
The exact solution was compared against predictions from third-order theory.
The generalized exact solution was used to investigate scan pattern synthesis.

Main Results:

The exact solution provides accurate predictions for Risley prism systems.
Differences between the exact solution and third-order theory were quantified for various materials.
The study demonstrates control over scan pattern generation through prism motion.

Conclusions:

The exact solution offers a more precise method for analyzing Risley prism performance.
This work advances the understanding and application of Risley prisms in optical systems.
The findings facilitate the design of systems with tailored beam steering and scanning capabilities.