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Related Experiment Video

Updated: Jun 12, 2026

Scanning Light Scattering Profiler (SLPS) Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Scanning Light Scattering Profiler (SLPS) Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Published on: June 6, 2017

Ray-tracing simulation method using piecewise quadratic interpolant for aspheric optical systems.

Shin-Ya Morita¹, Yohei Nishidate, Takashi Nagata

¹VCAD System Research Program, RIKEN, Saitama 351-0198, Japan. morishin@riken.jp

|June 22, 2010

Summary

This study introduces a precise ray-tracing method for aspheric lenses, accounting for fabrication errors. The new technique significantly reduces computational resources for accurate optical simulations.

Related Experiment Videos

Last Updated: Jun 12, 2026

Scanning Light Scattering Profiler (SLPS) Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Scanning Light Scattering Profiler (SLPS) Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses

Published on: June 6, 2017

Area of Science:

Optics and Photonics
Computational Science
Materials Science

Background:

Aspheric lenses are crucial in optical systems but their fabrication introduces surface errors.
Accurate simulation of light propagation through aspheric lenses with these errors is computationally intensive.
Existing methods often struggle to balance precision with computational efficiency.

Purpose of the Study:

To develop a novel, precise, and efficient ray-tracing simulation method for aspheric lenses.
To incorporate the effects of mid-spectral frequency surface errors arising from fabrication.
To accelerate the ray-tracing process for practical applications.

Main Methods:

Utilizing the Nagata patch, a quadratic interpolant for surface meshes, to represent lens geometry.
Implementing improved algorithms for ray-patch intersection calculations.
Developing acceleration techniques for the ray-tracing simulation.

Main Results:

The Nagata patch effectively represents aspheric lens geometry with mid-spectral surface errors.
The proposed method achieves significant speed-up in ray-tracing simulations.
The technique requires substantially fewer patches compared to polygonal approximations (10^5 to 10^9 times fewer).

Conclusions:

The developed ray-tracing method provides precise simulation of aspheric lenses with fabrication errors.
This efficient technique is suitable for applications like optical disk pick-up objectives.
The method offers a practical solution for complex optical system design and analysis.