A Simple Approach To Common Lens Design

Ronald R. Willey

doi:10.1117/12.940209

10 June 1987 A Simple Approach To Common Lens Design

Ronald R. Willey

Proceedings Volume 0766, Recent Trends in Optical Systems Design and Computer Lens Design Workshop; (1987) https://doi.org/10.1117/12.940209
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Most of the problems solved by designers and engineers on a daily basis are small but important details, instead of extremely complex tasks. Optical design tends to be no exception. The tools for day to day problem solving need to be easy to learn and use. In today's environment of computer availability, many engineers have an occasional need for optical design and evaluation, but do not spend all of their time designing optics. These people need a tool which is powerful enough to solve or evaluate their problems but that is simple and easy to understand, remember, and use. This is the user that the TRACE V program set addresses. The programs allow the evaluation of most of the types of optical systems that may be encountered. These include those with aspherics, tilts, decentrations, toroids, etc. The images of points are displayed on the screen and the lens configuration can be drawn and examined. Simplicity is maintained in the merit function used for optimization. It is based on: the RMS size of the image of an on-axis and off-axis image, the curvature of the focal plane on which the images lie, the distortion shown by those images, and violations of boundary conditions. The images can be heterochromatic combinations of three colors, one central and two half power wavelengths. The programs have evolved from practical application over 25 years of use on a variety of computers and are now best suited for the personal computer. There are more appropriate and powerful tools for the career lens designer, but this is a practical and easy to use tool for the occasional optical design engineer.

Citation Download Citation

Ronald R. Willey "A Simple Approach To Common Lens Design", Proc. SPIE 0766, Recent Trends in Optical Systems Design and Computer Lens Design Workshop, (10 June 1987); https://doi.org/10.1117/12.940209

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KEYWORDS

Optical design

Modulation transfer functions

Diffraction

Distortion

Lens design

Ray tracing

Software

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