PGL's innovative manufacturing techniques allow us to push the boundaries of what is normally possible in grating manufacturing, which has allowed us to deliver unique high power laser capabilities. — Trevor Winston, Rutherford Appleton Laboratory, UK

Flexible. Optimal. Successful.

It is a pleasure to work with PGL as they consistently respond to our unique requirements and deliver superior products.
— Dr. Thomas Metzger, TRUMPF Scientific Laser, Germany

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How to Choose the Right Diffraction Grating for Pulse Compression

Diffraction gratings are critical components for most Chirped Pulse Amplification (CPA) laser systems. There are many different grating types (metal, all-dielectric, and hybrid metal-dielectric reflection gratings, as well as transmission gratings), and equally as many trade-offs relating to diffraction efficiency, spectral and angular bandwidth, polarization, laser-induced damage threshold (LIDT), and temporal dispersion, to name a few. Choosing the right grating for a given laser system can be very confusing. In this webinar we will describe how you can make the best grating selection for your laser requirements.

News from PGL

Most powerful laser in U.S. to begin operations at University of Michigan

August 30, 2021 | In the News
The 3 petawatt ZEUS laser will primarily be used to study extreme plasmas, a state of matter in which electrons break free of their atoms, forming what amounts to charged gases. »

Laser technology to protect critical infrastructure from lightning strikes

July 03, 2020 | In the News
Lightning strikes can cause substantial damage to buildings and critical infrastructure, such as airports. To mitigate this risk, one EU project is attempting to use powerful laser technology to control where lightning strikes. »

Sculpting super-fast light pulses: Nanopillars shape light precisely for practical applications

May 02, 2019 | In the News
Imagine being able to shape a pulse of light in any conceivable manner—compressing it, stretching it, splitting it in two, changing its intensity or altering the direction of its electric field. »
Plymouth Grating Laboratory is dedicated to making the highest-quality diffraction gratings available today. Our focus is on lasers and laser systems. PGL gratings offer exceptionally high diffraction efficiency and laser damage threshold, combined with superior wavefront error and uniformity over large areas. This performance is made possible by PGL’s exclusive use of the Nanoruler, based on the proprietary Scanning Beam Interference Lithography technology developed at MIT, and PGL’s industry-leading process expertise. The company occupies 20,000 sq. ft. of dedicated manufacturing, engineering, and office space in Carver, MA, just outside of Plymouth, and about 45 miles south of Boston.

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