Strainoptics, Inc

Manufacturer of instrumentation for measurement of residual stress/strain/birefringence in glass, plastics, and other transparent or translucent materials. Full line of polariscopes (strain viewers) and polarimeters for qualitative inspection and quantitative measurement using the techniques of photoelastic analysis. Models available for off-line or on-line applications, either visual or under computer control. Options include high-magnification macrovideo, compensators, and custom engineering. Free sample evaluation and fee-paid testing services per ASTM Standard Test Method D4093. Factory or on-site training available.