Optical photons in your browser

• Photon historiesA 2 GeV muon or electron in 49,684 PMTs
• Cherenkov lightA Geant4 electron track in water
• Photon cameraPrism, fluorescence, scattering, TPB-coated PMT
• Optical diagnosticsSpectra, timing and photon paths
• Detector viewerTheia-like, wire TPC and pixel TPC geometry