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Measuring Aspheres in a 3-D World

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Author: Justin Tracy
Monday, April 1, 2019
LaCroix Precision Optics

This white paper provides a basic practical guide on the benefits of 3-D measurements of aspheres as well as a couple of real-world examples of parts that we have manufactured. This white paper also goes into detail why one may prefer measuring aspheres in 3-D over 2-D, not to review the merits of the individual technologies as they apply to specific shapes. Also, we will distinguish the difference between measuring aspheres in 2-D (waviness) and 3-D (irregularity).
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SIMILAR WHITE PAPERS AND APPLICATION NOTES
Manufacturing Considerations for Tolerancing AspheresAs aspheres become more prevalent in optical systems, it is important for lens designers to consider the various tolerances when designing an aspheric lens. The following is provided from the...
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