Interferometer standardization assessed

Robert E. Parks

Major manufacturers of phase measuring interferometers joined Standards Committee members during the OSA Annual Meeting in Santa Clara to discuss standardization among the various instruments. As representatives from Breault Research Organization, Phase Shift Technologies, WYKO, and ZYGO described the similarities and differences in their instruments and responded to questions, members were surprised to learn of the relative similarity of data handling that already exists among the instruments. The committee was also pleased to learn that the companies are willing to work with members in furthering standardization and in writing a handbook on optical figure measurement.

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