Integrated diffractive retroreflector elements detect object position across multiple spatial degrees of freedom using a single optical scanning direction.
A structured light projector uses a pseudorandom diffuser and relay optic to generate speckle illumination for active depth sensing.
Visualizing residuals between target and reconstructed corneal surfaces corrects inaccuracies from skew ray reflections in non-rotationally symmetric cases.
Integrating illumination and imaging with the measure head eliminates complex programming while preventing crashes during visual tracking.
An asymmetric grating configuration separates incident and diffracted light angles, eliminating stray light interference that degrades detection accuracy.
An extraction unit analyzes polarization-sensitive tomographic images to identify retinal layers using DOPU imaging and graph cut methods.
A calibration plate with recessed portions enables precise position coordinate correction by detecting clear edge intersections.
An optical interferometer measures interference fringes of end standards to compute size differences without mechanical wringing.
Pre-positioned alignment apertures on the plate enable rapid fixture setup and reduce program creation time.
An adaptive signal processing block suppresses noise in white light interferometry to stabilize peak position detection.
Differential thermal expansion holders correct optical path differences to maintain phase congruence and fringe brightness during temperature fluctuations.
Integrally-molded resin optical window and holder eliminate assembly errors, ensuring high shape accuracy and dustproof properties.
A line camera detects product position and elevation using a uniquely encoded strip pattern projected onto the running surface.
Optical measurement of wheel targets and panels calculates precise sensor alignment, eliminating manual orientation errors during vehicle calibration.
A deflecting mirror carries a reference mark that an image sensor detects to determine its own angular position and distance.
Extracting autocorrelation signals from reflected light eliminates patient movement compensation, reducing image processing complexity in OCT systems.
Sequential laser lines project onto vehicle wheels for precise orientation measurement via stereo photogrammetry.
A single wideband light source integrates VSI and PSI height data arrays using slope and displacement correction factors.
A pre-installed optical rub pin measures rotor-to-stator clearance through abrasion, eliminating disassembly time and cost.
An optical sensor scans gear shaft flanks using scattered light distribution to measure surface roughness and waviness.
A counterbalance mechanism stabilizes measurement head positioning through a pulley and spring system.