BOSTON, June 30 -- FiberGrade Inc., a Boston startup developer of optical transmission monitoring technologies, has been acquired by PXIT, a manufacturer of high-performance optical and electrical test equipment based in Dublin, Ireland, with an office in Lexington, Mass. The acquisition was funded by a total investment of over $3 million, primarily from the venture capital company 4th Level, in addition to an investment from existing shareholders Delta Partners. FiberGrade was founded in 2002 by Fadi Daou, its president and CTO, from the Photonics Center at Boston University (BU)....Read full articleRelated content from Photonics MediaArticlesMulticolor Photochromic Fibers Deliver Interactive Wearable DisplaysFiber, as a wearable material, offers breathability, flexibility, and resistance to wear, making it an ideal substrate for wearable devices. 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