EntityQ332846· pop 6· linked from 59 articlesabsorption edgeSign in to saveConnectionsphysicsEntityatomEntityinfrared radiationEntityphotonEntitynuclear physicsEntitywavelengthEntityatomic physicsEntityionization energyEntityenergy levelEntityquantum stateEntitydipoleEntityabsorption spectroscopyEntitynormal modeEntityCompton wavelengthEntityMolecular electronic transitionEntitySiegbahn notationEntityCategoriesElectromagnetic radiationRadiation