Optical apparatus based on measurement of phase or frequency shi

Optical apparatus components having spectrally overlapping chara

Optical apparatus for forming correlation spectrometers and opti

Optical apparatus for inspecting laser texture

Optical apparatus for measuring displacement of an object

Optical apparatus for measuring profiles of a wafer

Optical apparatus for use with inteferometric measuring devices

Optical apparatus of a stacked design, and method of...

Optical arrangement for detecting the intensity modulation of pa

Optical arrangement for performing null testing of aspheric surf

Optical cavity sensor

Optical coherence tomography with dynamic coherent focus

Optical combiner for a ring laser gyro

Optical depth gauge for optically rough surfaces

Optical detection apparatus for detecting information relating t

Optical detection device

Optical detection of a surface motion of an object using a stabi

Optical detector for echelle spectrometer

Optical device

Optical device for an emission spectrometer