"In-line" spectral reference method for spectrometers

.DELTA..beta.-Phase reversal coupled waveguide interferometer

2.degree./90.degree. Laboratory scattering photometer

3 frequency heterodyne laser interferometer that doubles the res

3-channel microdensitometer for analysis of plate spectra

3-color multiplex CARS spectrometer

3-D active vision sensor

3-D camera

3-D camera for recording surface structures, in particular...

3-D imaging multiple target laser radar

3-D imaging system

3-D lead inspection

3-D measurement via multiple gating

3-dimensional image acquisition apparatus and method,...

3-Dimensional vision system utilizing coherent optical detection

3D grating optical sensor comprising a diffusion plate for...

3D image measuring apparatus and method thereof

3D imaging laser radar

3D imaging underwater laser radar

3D imaging underwater laser radar