Strainoptics

Strainoptics is the global leader in non-destructive optical stress inspection, specializing in manufacturing polarimeters and polariscopes. Established in 1985, Strainoptics offers a comprehensive range of stress measurement instruments for the glass and plastics industries. Our precision instruments, including polarimeters, polariscopes, roller wave gauges, and advanced software-based online systems, empower customers to optimize production processes and enhance product quality through precise stress measurement.

Headquartered in Burnsville, Minnesota, Strainoptics provides worldwide knowledge through training sessions on photoelasticity and stress measurement. Our commitment extends to technical support for residual stress analysis, materials evaluation, and applications engineering. Trusted by renowned entities in the glass and plastics industry, our flagship GASP® polarimeter sets the global standard for surface stress measurement in heat-strengthened or tempered glass. The patented SCA line of on-line stress scanners are crucial in float glass plants worldwide.

Our diverse product line includes handheld strain viewers, polarimeters, tools for measuring roller wave distortion, light transmission meters, and automated on-line/off-line systems for stress and birefringence measurement.

Our dedicated team is ready to assist in seamlessly integrating stress measurement into your quality control procedures.