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Ray tracing through a toric refracting surface.

G A Fry, D S Loshin

American Journal of Optometry and Physiological Optics

|April 1, 1975

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A new procedure traces light rays through toric surfaces using a coordinate system. This method accurately models how light bends for improved optical design.

Area of Science:

Optics
Optical Engineering
Computational Optics

Background:

Toric surfaces are common in ophthalmic lenses and optical instruments.
Accurate ray tracing is crucial for predicting image quality and lens performance.
Existing methods may lack efficiency or generality for complex toric designs.

Purpose of the Study:

To develop a robust and efficient procedure for tracing rays through toric refracting surfaces.
To provide a method applicable to optical systems utilizing toric components.

Main Methods:

The procedure defines the toric surface using a rectangular coordinate system.
Ray paths are specified by initial point coordinates and direction-cosines.
Mathematical formulations are used to calculate ray intersection and refraction.

Related Experiment Videos

Main Results:

A validated procedure for simulating light propagation through toric surfaces.
Demonstration of the method's applicability in optical design scenarios.

Conclusions:

The developed procedure offers a precise and systematic approach to ray tracing for toric optics.
This method can enhance the design and analysis of optical systems containing toric elements.