LEADERS in X-ray Diffraction

PROTO is one of the fastest growing x-ray diffraction companies in the world. Our team of application scientists and engineers ensure that you get the correct system and support for all of your applications.

Improve your science

The core of PROTO's design philosophy is to bring you the most accurate and precise systems.  You work hard to achieve your results while discovering new science and engineering, so we work hard to provide you with the best equipment in the market.

technology that delivers accurate results

Our residual stress measurement systems are designed to ensure accurate results on complex part geometries and all materials. Safety and life critical engineered parts need accurate residual stress determination. Don't undermine your engineering with inferior measurements.

news & updates


The new AXRD LPD powder diffractometer is a modern innovative custom platform with versatile optics, sample holders, and temperature stages.

PROTO is excited to release the inaugural issue of 2theta. A magazine highlighting x-ray diffraction and its application in science and engineering.  Find out more and download the latest  issue.