Precompensation of polarization errors in heterodyne...

Precompensation of polarization errors in heterodyne...

Recording multiple spatially-heterodyned direct to digital...

Ring laser scatterometer

Scattered light measuring device

Self referencing heterodyne reflectometer and method for...

Sensor for optically sensing air borne acoustic waves

Sensor for optically sensing air borne acoustic waves

Shape measurement method

Shape measuring method

Single-pass and multi-pass interferometry systems having a...

Spatial interferometry

Spatial-heterodyne interferometry for reflection and...

Spatial-heterodyne interferometry for transmission (SHIFT)...

Spatially-heterodyned holography

Spectral phase measurement using phase-diverse coherent...

Surface inspection by double pass laser doppler vibrometry

Surface shape measuring apparatus and method

Symmetric periscope for concentric beam configuration in an...

System and method for acquiring and evaluating optical signals