Beam splitter

Related papers: 8

About

A beam splitter is an optical device that divides an incoming light beam into two or more separate paths, typically by partial reflection and partial transmission through a specially coated surface or prism assembly. In robotics and AI applications, beam splitters are used to simultaneously capture multiple views or measurements of the same scene without mechanically repositioning sensors — enabling stereo vision systems, polarization cameras, dual-band imaging, and spectrographic instruments. By splitting light toward two or more detectors, a single optical setup can acquire color, polarization, depth, or spectral information in parallel. This is particularly valuable in active vision systems for robotic welding, surface inspection, and pyrometry, where simultaneous multi-channel data is essential for real-time processing. Beam splitters also appear in interferometers and spectrographs used in scientific robotics platforms operating in demanding environments. Their ability to preserve spatial and temporal correspondence across channels makes them foundational components wherever multi-modal optical sensing must be tightly synchronized.

Top Cited Papers

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Pseudo-Stereo Vision System: A Detailed Study

Theodore Pachidis, J.N. Lygouras

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Dual Imager And Its Applications To Active Vision Robot Welding, Surface Inspection, And Two-Color Pyrometry

Xavier Maldague, M. Dufour

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Reiner Hofmann, Niranjan Thatte, Matthias Tecza, Frank Eisenhauer, M. D. Lehnert

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