Request InfoGuild Optical Associates Inc.As small as 1 mm in diameter or as large as 305 mm, custom sapphire windows from Guild Optics are made right here in the USA. Our abilities in flatness, parallelism and surface quality are top tier, and our prices are hard to beat. Put Guild Optical Associates’ 23+ years of sapphire experience to work for your company today.See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 4/9/2024PAM4 Modulator DriverThe TS8401/02 from TeraSignal is an intelligent 400-G (4×100G) PAM4 modulator driver for addressing AI bandwidth needs in data centers. 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