Determining optical signal transit delay time in an optical inte

Determining the complex refractive index phase offset in interfe

Device and method for reducing angular random walk in a ring las

Device and method for spectroscopic measurement with an...

Device and method for testing the wave front quality of optical

Device and method for three-dimensional measurements and observa

Device and method for time-resolved optical measurements

Device and process for measuring two opposite surfaces of a body

Device for analyzing and correcting wavefront surfaces in real t

Device for analyzing and correcting wavefront surfaces in real t

Device for and method of measuring absolute rotations in several

Device for automatically evaluating a plurality of probe ingredi

Device for detecting positional relationship between two objects

Device for determining or stabilizing the wavelength of laser li

Device for determining the amplitude of the spectral lines in th

Device for determining the shape of the wave surface reflected b

Device for determining the shape of the wave surface transmitted

Device for efficient light collection from a sample

Device for establishing a condition at the surface of a subject

Device for interferometric measurements with compensation for ti