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Proceedings Paper

Laser-induced retinal shock waves and bubbles and their dependencies on the thermomechanical properties of melanosomes
Author(s): Bernard S. Gerstman; Jinming Sun
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Paper Abstract

We have developed a detailed theoretical model that allows for the prediction of the shockwave strength and bubble size that are expected to result in the retina as a result of a laser pulse of any pulse duration or energy. The results of the calculations for the shockwave and bubble size depend on the absorption coefficient and unknown thermo-mechanical properties of the absorbing melanosomes. We discuss how the shock strength and bubble size depend on melanosome parameters such as absorption coefficient, thermal coefficient of expansion and bulk modulus. We also describe experiments that could be performed to measure these coefficients in spite of the difficulty presented by the small size of the melanosomes.

Paper Details

Date Published: 9 July 2001
PDF: 10 pages
Proc. SPIE 4257, Laser-Tissue Interaction XII: Photochemical, Photothermal, and Photomechanical, (9 July 2001); doi: 10.1117/12.434699
Show Author Affiliations
Bernard S. Gerstman, Florida International Univ. (United States)
Jinming Sun, Florida International Univ. (United States)

Published in SPIE Proceedings Vol. 4257:
Laser-Tissue Interaction XII: Photochemical, Photothermal, and Photomechanical
Donald Dean Duncan; Donald Dean Duncan; Steven L. Jacques; Peter C. Johnson; Peter C. Johnson, Editor(s)

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