title: Fiber optic heterodyne interferometer for vibration measurements in biological systems.
mesh_terms: D000200:Action Potentials; D000818:Animals; D003400:Astacoidea; D001369:Axons / Q000502:physiology; D003051:Cochlea / Q000502:physiology; D004558:Electric Stimulation; D005336:Fiber Optic Technology; D006168:Guinea Pigs; D007368:Interferometry; D055100:Optical Fibers; D014732:Vibration