Apparatus and method for measuring two opposite surfaces of...

Apparatus and method for mechanical phase shifting...

Apparatus and method for monitoring trench profiles and for...

Apparatus and method for monitoring trench profiles and for...

Apparatus and method for phase-shifting interferometry

Apparatus and method for ranging and noise reduction of low...

Apparatus and method for roll invariant reflective position...

Apparatus and method for shape measurement using interferometer

Apparatus and method for testing a transducer

Apparatus and method(s) for reducing the effects of coherent...

Apparatus and method(s) for reducing the effects of coherent...

Apparatus and methods for high accuracy metrology and...

Apparatus and methods for measuring vibrations using...

Apparatus and methods for overlay, alignment mark, and...

Apparatus and methods for reduction and compensation of...

Apparatus and methods for reduction and compensation of...

Apparatus and methods for uniform frequency sample clocking

Apparatus for and method of measuring surface shape of an...

Apparatus for detecting displacement

Apparatus for measurement of the axial length of an eye