A. I. Omel'chenko, È. N. Sobol', A. P. Sviridov, S. Harding, K. Jumel, R. Walker, N. Jones, “Optoacoustic monitoring of laser correction of the ear shape”, Kvantovaya Elektronika, 2000, Volume 30, Number 11,Pages <nobr>1031

This article is cited in 5 papers

Laser applications and other topics in quantum electronics

Optoacoustic monitoring of laser correction of the ear shape

A. I. Omel'chenko^a, È. N. Sobol'^a, A. P. Sviridov^a, S. Harding^b, K. Jumel^b, R. Walker^b, N. Jones^c

^a Department of Advanced Laser Technologies ILIT – branch ILIT in Troitsk
^b National Centre for Macromolecular Hydrodynamics, University of Nottingham, UK
^c Division of Otorhinolaryngology, University of Nottingham, UK

Abstract: Acoustic monitoring of a plastic operation for reshaping the porcine ear using radiation from a Ho:YAG laser was performed to control a change in the elasticity of the ear cartilage. Variations in the cartilage elasticity were controlled by changes in the amplitude and shape of an acoustic wave during the laser action. It is shown that the optoacoustic signal amplitude exponentially decreases at least by a factor of 2 — 2.5 at the moment of the cartilage reshaping caused by the action of radiation pulses from a Ho:YAG laser.

PACS: 42.62.Be, 43.35.Sx, 42.55.Rz

Received: 12.04.2000