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Zygo is a name associated with two distinct companies operating in different industries:

1. Zygo Corporation: Founded in 1970, Zygo Corporation is a global leader in the design and manufacture of advanced optical metrology systems and ultra-precise optical components and assemblies. Their product lines include 3D measuring microscopes using coherence scanning interferometry, laser Fizeau interferometers for testing optical components, and laser displacement interferometers. Headquartered in Middlefield, Connecticut, USA, Zygo became part of the Ultra Precision Technologies Division of AMETEK, Inc. in 2014.
2. Zygo (Underwater Audio Streaming): Zygo is also the name of a company that has developed the first underwater communication system capable of streaming live audio, supporting two-way communication, and delivering custom content to swimmers. Their flagship product, the Zygo headset, allows users to listen to audio from their favorite music and podcast apps or stream custom workouts from Zygo’s instructors while swimming. This innovation enhances the swimming experience by providing real-time coaching and entertainment underwater.

These two companies, though sharing the same name, operate in entirely different sectors—one in precision optical metrology and the other in underwater audio technology.