Apparatus for optically analyzing a sample

Apparatus for optically detecting displacement of an object usin

Apparatus for producing interferometric fringe patterns having v

Apparatus for rapid phase imaging interferometry and method ther

Apparatus for remote seismic sensing of array signals using side

Apparatus for spectral analysis of a broad beam of radiation usi

Apparatus for superposing two light beams

Apparatus having an afocal lens system used in optical measureme

Apparatus including a light-detecting element having a photo-ele

Apparatus method of measurement and method of data analysis for

Apparatus wherein diffracted light does not return to the source

Apparatus, method of measurement, and method of data analysis fo

Appliance for measuring polarization mode dispersion and corresp

Arrangement for an optical system for...

Arrangement for analysis of substances at the surface of an opti

Arrangement for operating a laser diode

Arrangement for sensing the wavelength shift of light from a pol

Arrangement for simultaneous analysis of several optical lines

Arrangement for testing grazing hyperboloids and similar reflect

Arrangement for the testing of surfaces