Photoelastic effect measuring device

Photoelastic strain gauge

Photoelastic strain gauge coating

Photoelastic strain gauge coating and method of using same

Photoelastic stress analysis

Photoelastic stress sensor signal processor

Photoelasticity determination of a deformation or stress field

Physical quantity measuring apparatus

Polarimetric optical frequency domain distributed strain sensor

Polarization control system

Portable moire interferometer and corresponding moire interferom

Process and apparatus for recording the deformation of objects

Rapid method for sub-critical fatigue crack growth evaluation

Reinforced elastomer panel with embedded strain and pressure sen

Residual stress measuring method and system

Rosette-type optical microsystem of strain gauges having dielect

Rotating birefringent ellipsometer and its application to photoe

Rotating polarizer angle sensing system

Scatterometry of grating structures to monitor wafer stress

Self-calibrating optical fiber pressure, strain and temperature