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Spectral reflectivity and interferometry for optical lens analysis

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David Rideout, Olympus America Inc.

There are more than 500 companies in the US alone that make optical equipment. The number of products with built-in lenses is increasing. Few cell phones or personal computers are sold today without a still or video camera included. We see the predominance of microlenses in CCD arrays and the move toward the use of LED lighting as a green alternative. One day, every Christmas light might even include a lens. Today’s optical lenses are being manufactured according to ever-increasing requirements for precision, rendering easy, accurate and reportable inspection critical. In addition,...Read full article

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