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Related Experiment Video

Updated: Dec 25, 2025

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

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

Published on: April 1, 2020

Optical system optimization method for as-built performance based on nodal aberration theory.

Zhiyuan Gu, Yang Wang, Changxiang Yan

|April 1, 2020

Summary

This summary is machine-generated.

This study introduces an analytical method to optimize optical system as-built performance by integrating tolerance allocation with performance optimization. This approach improves the design of real-world optical systems, unlike traditional methods.

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Area of Science:

Optical Engineering
Optical Design
System Performance Analysis

Background:

Traditional optical design separates performance optimization and tolerance allocation, hindering optimal as-built performance.
Achieving optimal performance in fabricated optical systems remains a challenge due to this separation.

Purpose of the Study:

To propose an analytical method for optimizing the as-built performance of optical systems.
To integrate system performance optimization and tolerance allocation into a unified design process.

Main Methods:

Utilizes nodal aberration theory to estimate wavefront aberration under surface decenter and tilt tolerances.
Develops an as-built performance evaluation model requiring only paraxial marginal ray and principal ray tracking.
The model serves as an error function within optical design software for optimization.

Main Results:

The proposed method enables direct optimization of as-built performance, unlike traditional approaches.
The analytical method requires significantly less computation than extensive ray tracing.
Demonstrated effectiveness using a Cooke triplet system example, comparing against commercial software and traditional methods.

Conclusions:

The developed analytical method effectively optimizes optical system as-built performance.
This approach offers a computationally efficient alternative to traditional methods and commercial software for tolerance-aware optical design.