Frederick Mullavey has been named director of quality at Janos Technology Inc., a Townshend, Vt.-based precision optics manufacturer. . . . The National Institute of Standards and Technology (NIST) has released a an electronic mass measurement training course to alleviate a training backlog of officials from government and industrial mass calibration laboratories. The free CD-ROM covers NIST’s basic one-week mass metrology courses. 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As a result, when compared with the Twyman-Green, the Fizeau interferometer has...COMPANIESLaCroix Precision OpticsOptics that Defend, Build, Cure and Discover The LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have placed LaCroix Precision Optics...Photonics Buyers' GuideBMV Optical Technologies Inc.BMV Optical Technologies Inc. provides manufacturing services for optical components, systems, and thin-film coatings. Products include lenses (cylindrical and spherical), Gaussian reflectivity...Photonics Buyers' GuideOptikos CorporationThe Optical Engineering Experts® Optikos designs and manufactures metrology products for measuring and assuring optical image quality; and provides optical engineering design, development,...Photonics Buyers' GuideAndover CorporationWith over 40 years of experience, Andover Corporation is a recognized world leader in the manufacture of high-quality optical coatings and optical filters. 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