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Photonic Integrated Circuit SimulatorNewRoute a beam of light across a silicon photonic chip: a directional coupler feeds a ring… Single-Photon Source — Antibunching SimulatorNewWatch a quantum dot single-photon source emit light one photon at a time through a Hanbury… LED Electroluminescence — Bandgap & Recombination SimulatorNewInject electrons and holes across a forward-biased p-n junction and watch them recombine:… Optical Fiber Communication SimulatorNew3D fiber-optic link: watch WDM channels of different wavelengths travel down a glass core… Magneto-Optical Trap: Laser Cooling & Atom Trapping SimulatorNewTune laser detuning, magnetic field gradient and beam intensity to laser-cool a cloud of… Laser Cavity & Photonics SimulatorNewPump a laser gain medium above threshold and watch photons build up between two mirrors:… Quantum Optics: Photon PolarizationNewFire single photons at a rotatable polarizing analyzer and watch Malus's law play out one… Optical Rangefinder SimulatorNewSimulate a coincidence optical rangefinder used for artillery fire control. Tune baseline… Holographic CommunicationNewA concise introduction to holographic communication, covering key principles and… Holographic Displays: A Physics PrimerNewA concise overview of holographic display technology – principles, components, and limitations. Optics & Photonics LabNewSend a ray of white light through a lens or prism and watch it refract and disperse into a… Optical Phenomena SimulationNewThis simulation demonstrates various optical phenomena such as refraction, reflection,… Optics Simulator – Lenses, Microscope, Telescope & AberrationsNewThis simulation models the behavior of light through various optical components like lenses.… Diffraction Spectrum - White Light SplittingNewThis simulation illustrates the phenomenon of diffraction, where light waves bend around… Refraction Through Crystal CaveNewObserve the bending of light as it passes through various crystalline formations within a… Neon Tunnel Refraction SimulationNewWitness the captivating interplay of light as it bends and reflects through a tunnel,… 3D AuroraNewThis simulation demonstrates the visual effects of an aurora borealis or australis. It… 3D Fiber Optic CableNewThis simulation explores the transmission of light through fiber optic cables. It… Three-Dimensional Kaleidoscope EffectNewExplore a captivating 3D kaleidoscope by adjusting symmetry and particle tracking, revealing… 3D Light RefractionNewThis simulation visually demonstrates the bending of light as it passes through different… 3D Mirage FormationNewThis simulation illustrates the formation of mirages through refraction of light due to… 3D Prism DispersionNewThis simulation illustrates the phenomenon of prism dispersion, where white light is… Three-Dimensional Prism Light DispersionNewThis simulation demonstrates the dispersion of white light through a prism. Users can… 3D Rainbow Optics FormationNewThis simulation demonstrates how rainbows are formed through the refraction and reflection… 3D Rainbow RefractionNewThis simulation visually represents the refraction of light through a prism, creating a… 3D Spectroscopy Absorption LinesNewThe simulation illustrates the concept of spectroscopy and absorption lines by visualizing… 3D Underwater CausticsNewThis simulation demonstrates the optical phenomenon of underwater caustics, where light… Chromatic Refraction Through A PrismNewObserve the separation of white light into its constituent colors as it passes through a… Neon Grid TunnelNewThis simulation visualizes complex light refraction and reflection patterns within a neon… Disco Ball Light RaysNewThis simulation models the dispersion of light as it bounces off a disco ball, demonstrating… Advanced Optics - Comprehensive GuideNewThis simulation explores the principles of light and optics, including reflection,… Communication Advanced Holographic Communication SimulationNewThis simulation demonstrates the principles of holographic communication, showcasing how… Gem StudioNewThis simulation demonstrates the refraction and reflection of light through various… Geometric Optics Simulator: Ray Tracing and Light PropagationNewThis simulation allows users to explore the principles of geometric optics by simulating ray… Hologram Grid EffectNewThis simulation recreates the visual effect of a holographic grid, exploring how light… Laser SimulationNewThis simulation demonstrates the behavior of lasers, including beam propagation, reflection,… Laser SimulatorNewThis simulation demonstrates the behavior of lasers, focusing on beam propagation and… Lens LabNewThis simulation provides a hands-on exploration of basic lens properties, such as refraction… Neon Tunnel RunnerNewThis simulation showcases the visual effects of light refraction and reflection within a… Lighthouse Beam StormNewThis simulation demonstrates how light waves interact with obstacles and create complex… Refraction of Light Through a LensNewThis simulation allows you to explore the phenomenon of refraction as light passes through a… Optics LabNewThis simulation demonstrates the principles of refraction and reflection through an… Optics and Photonics Research CenterNewThis simulation investigates the principles of light manipulation and photon-based… Optics SandboxNewThis simulation provides an interactive environment for experimenting with optical… Optics SimulationNewThis simulation demonstrates the principles of optics, showcasing how light behaves. It… S46 Lighthouse Fog BeamNewThis simulation demonstrates the principles of light refraction and diffraction as a… Theater Theater Lighting SimulationNewThis simulation focuses on the art and science of theatrical lighting design, allowing users… Crystal CaveNewThis simulation explores the refraction of light through crystalline structures. Users can… Adaptive Optics Telescope LabNewThis simulation explores the principles of adaptive optics, focusing on correcting for… Aurora Observation ArrayNewInvestigate the formation of auroras through a simulated observation array. The simulation… Diamond Xray Sorting SimulationNewThis simulation models the sorting of diamonds using X-ray technology. It demonstrates how… Geometric Optics Lens LabNewThis simulation demonstrates the principles of geometric optics, focusing on how lenses… Glint Orbit | Three.jsNewThis simulation demonstrates the creation of glint – a bright reflection of sunlight off a… Glory Brocken Spectre SimulatorNewThis simulation recreates the optical phenomenon of a Brocken spectre – an inverted image of… Horizon Vapor | Three.jsNewThis simulation visualizes the formation of a horizon vapor effect, often seen in… Optical Tweezers LabNewExperiment with optical tweezers to manipulate microscopic particles using focused laser… OptykaNewThis simulation demonstrates the principles of refraction and reflection through a dynamic… Radio Telescope Array Control SystemNewAdjust array baseline, frequency, and atmospheric noise levels to observe the impact on… Camera Depth Of Field LabNewThis simulation explores the optical phenomenon of depth of field in photography. Users can… Microscope Resolution LabNewThis simulation illustrates the limitations of optical resolution in microscopy. Users will… Prism Dispersion LabNewThis simulation demonstrates the phenomenon of dispersion in light as it passes through a… Telescope Optics LabNewThis simulation explores the principles of telescope design and image formation. Users can… 3D Refraction SimulatorNewThis simulation demonstrates the principles of refraction – the bending of light as it… Sundog Formation SimulatorNewThis simulation demonstrates the optical phenomenon of a sundog. Users can adjust parameters… Telescope Adaptive OpticsNewThis simulation demonstrates how adaptive optics correct for atmospheric turbulence when… Underwater Light LabNewExplore how light behaves underwater in this interactive simulation. It demonstrates… Volumetric Holography: Beam Interference PatternsNewExplore how light waves interfere to create detailed 3D holographic images, adjusting… Airy Disk — Diffraction-Limited ImagingNewExplore diffraction-limited imaging through a circular aperture. See the Airy pattern and… Water CausticsNewSunlight refracts through a wavy water surface (Snell's law: n=1.333) and focuses into… Thin-Film Interference — Soap Bubbles & Oil SlicksNewLight reflecting off the top and bottom of a thin film interferes, producing shifting… Birefringence — Double Refraction in CrystalsNewAnisotropic crystals split a light ray into ordinary and extraordinary rays travelling at… Polarisation of Light — Malus's Law & PolarisersNewLight is a transverse wave. A polariser transmits only one orientation; a second polariser… Diffraction & InterferenceNewHuygens-principle wave simulation with single slit, Young's double slit, and diffraction… Total Internal ReflectionNewDrag the ray angle past the critical angle and watch total internal reflection occur. Snell… Photonic CrystalNewStack alternating high and low index layers and see which wavelengths get reflected, opening… Holography ConceptNewRecord a hologram as interference of object and reference beams, then replay it to… Ice Halos & Sun DogsNewMonte-Carlo atmospheric optics: refract sunlight through hexagonal ice crystals and watch… Holographic Reconstruction: Fringe Pattern AnalysisNewObserve the formation of a hologram by controlling the interference between an object beam… Optical Vortex BeamsNewLaguerre–Gauss beams carry orbital angular momentum: a helical phase exp(iℓφ) makes a… Moiré Patterns EmergenceNewObserve the creation of a moiré pattern by overlaying two periodic patterns with varying… Wave Superposition – Huygens' WaveletsNewWitness wave interference as secondary wavelets propagate from every point on a wavefront,… Light PolarizationExplore Malus's Law and Brewster's angle, switch between linear, circular and elliptical… Snell's Law — Refraction & TIRInteractive Snell's law diagram. Set n₁, n₂ and angle of incidence θ₁ — watch the refracted… Laser Labyrinth — Reflection & RefractionBounce a laser beam off mirrors and through glass blocks to hit the target. Explore the law… Mirrors & LensesInteractive geometric optics ray tracer. Choose converging/diverging lenses or… Atmospheric Optics — Rainbows & HalosGeometric optics in water droplets and ice crystals producing rainbows and 22°/46° halos. Crystal Optics & BirefringenceLight splitting into ordinary and extraordinary rays through birefringent crystals. Wave Diffraction Through a Slit – Huygens' PrincipleExplore how waves diffract through a slit using the Huygens principle, adjusting the… Polarization of LightMalus’s Law: rotate polarizing filters and watch I = I₀ cos²θ. Four modes: Linear, Circular,… Diffraction GratingTune wavelength, lines/mm and slit count to watch Fraunhofer diffraction maxima shift;… Fabry-Pérot InterferometerExplore resonant transmission in an optical cavity: Airy function, Finesse, FSR, and linewidth.