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Related Experiment Video

Updated: Aug 23, 2025

Simulating the Mechanics of Lens Accommodation via a Manual Lens Stretcher

Simulating the Mechanics of Lens Accommodation via a Manual Lens Stretcher

Published on: February 23, 2018

Experimental Studies on Fabricating Lenslet Array with Slow Tool Servo.

Wenjun Kang¹, Masafumi Seigo¹, Huapan Xiao²

¹Wyant College of Optical Science, The University of Arizona, Tucson, AZ 85719, USA.

|October 27, 2022

Summary

This summary is machine-generated.

This study optimizes diamond turning parameters for precision lenslet arrays. Real-time monitoring ensures uniform, high-fidelity surfaces for optical systems.

Keywords:

diamond turning lenslet array optics fabrication position following error slow tool servo

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Area of Science:

Optical Engineering
Manufacturing Technology
Materials Science

Background:

Precision lenslet arrays are crucial for low-cost, miniaturized optical systems.
Diamond turning is a key fabrication method for lenslet arrays and their molds.

Purpose of the Study:

To quantitatively study and optimize diamond turning parameters for lenslet array fabrication.
To achieve uniform and high-fidelity surface topography across the entire lenslet array.
To provide a reference for selecting cutting parameters for both convex and concave lenslet arrays.

Main Methods:

Real-time monitoring of slow tool servo position following error.
Quantitative analysis and optimization of fabrication parameters (sampling strategy, inverse feed, arc-length).
Fabrication validation to assess surface topography fidelity.

Main Results:

Optimized fabrication parameters achieved uniform and high-fidelity surface topography.
Successful demonstration of a smooth zonal machining strategy toolpath for concave lenslet arrays.
Validated effectiveness of real-time monitoring for parameter optimization.

Conclusions:

The study provides an effective method for optimizing diamond turning parameters for lenslet arrays.
The findings offer a detailed reference for selecting cutting parameters in lenslet array manufacturing.
Advanced toolpath strategies enhance fabrication quality for complex geometries.