interference | RNA interference | Interference (communication) | Electromagnetic interference | Interference | Students Against Destructive Decisions | Interference (Doctor Who) | Thin-film interference | Self-Destructive Pattern | Self-destructive behaviour | Multipath interference | Interference (wave propagation) | Interference theory | Interference engine | Fluorescence interference contrast microscopy | differential interference contrast microscopy | Common-mode interference |
Because the depth of the pits is approximately one-quarter to one-sixth of the wavelength of the laser light used to read the disc, the reflected beam's phase is shifted in relation to the incoming beam, causing destructive interference and reducing the reflected beam's intensity.