Plymouth Grating Laboratory

Plymouth Grating Laboratory (PGL) is a manufacturer dedicated to producing high-performance diffraction gratings for lasers and laser systems. The company focuses on delivering exceptionally high diffraction efficiency and laser damage threshold, along with superior wavefront error and uniformity over large areas. PGL’s manufacturing is supported by its exclusive use of the Nanoruler, based on Scanning Beam Interference Lithography technology developed at MIT, along with industry-leading process expertise. Its product lineup includes HEL SBC gratings, multilayer dielectric (MLD) gratings, gold gratings, hybrid metal-dielectric gratings, transmission gratings, and 2D gratings. PGL serves laser applications such as Chirped Pulse Amplification (CPA) and Spectral Beam Combining (SBC), among others. The company is located in Carver, Massachusetts, in a 20,000 sq. ft. facility just outside Plymouth, about 45 miles south of Boston.

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