Laser Doppler velocimetry of basilar membrane vibration.
A method is described for the measurement of basilar membrane (BM) vibration velocimeter (LDV). The instrumentation was coupled to a compound microscope which served to visualize reflective glass microbeads placed on the BM. The laser beam of the LDV was focused in the microscope object plane and positioned over the reflective bead. We show examples of frequency tuning curves and displacement input/output intensity functions obtained with the technique.
Nuttall
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AL
University of Michigan Medical School, Kresge Hearing Research Institute, Ann Arbor 48109-0506.
Dolan
D F
DF
Avinash
G
G
D000161:Acoustic Stimulation; D000818:Animals; D001489:Basilar Membrane / Q000502:physiology*; D005069:Evaluation Studies as Topic; D005898:Glass; D006168:Guinea Pigs; D008863:Microspheres; D009068:Movement / Q000502:physiology; D055095:Optics and Photonics; D012212:Rheology; D014732:Vibration