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OpticalSetup — 2D optical setup builder with live ray tracing

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Sketch 2D optical setups and see the ray paths trace live. Free, no signup, runs entirely in your browser.

Sketch optical setups. Watch the rays trace live. A free, browser-based 2D workbench for lasers, lenses, mirrors, and everything between the source and the detector. Place components on a virtual optical table and the beam paths update in real time — no install, no account, no server storing your work. Every optical element in your scene is physically simulated — move a component and the light path recalculates instantly, exactly as it would on an optical bench. A real element library OpticalSetup covers most of the hardware you'd find on an actual optics bench — sources, optics, and…

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