Polymer Matrix Nanocomposites as Photoacoustic Transmitters for Epiretinal Prosthetics

James B. Spicer, Jeeun Kang, Alexandra L. Patterson, Emad Boctor

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Polymer matrix nanocomposites can serve as photoacoustic transmitters in epiretinal prosthetic devices. Pulsed laser excitation of these materials initiates photothermoelastic processes producing acoustic waves that are emitted by the material and can acoustically neuromodulate retinal tissues. For the nanocomposites described in this work, the nanoparticles serve as optical absorbers that rapidly heat the matrix when excited by short duration laser pulses. The localized thermal expansion of the matrix launches ultrasonic waves that propagate in the nanocomposite and can couple to external media by transmission across the material boundary. In this work, these materials are analyzed for use as an acoustic transmitter in an epiretinal prosthetic that might be used to provide functionality to retinal structures that have deteriorated as a result of disease processes.

Original languageEnglish (US)
Title of host publication2023 IEEE 23rd International Conference on Nanotechnology, NANO 2023
PublisherIEEE Computer Society
Pages133-136
Number of pages4
ISBN (Electronic)9798350333466
DOIs
StatePublished - 2023
Event23rd IEEE International Conference on Nanotechnology, NANO 2023 - Jeju City, Korea, Republic of
Duration: Jul 2 2023Jul 5 2023

Publication series

NameProceedings of the IEEE Conference on Nanotechnology
Volume2023-July
ISSN (Print)1944-9399
ISSN (Electronic)1944-9380

Conference

Conference23rd IEEE International Conference on Nanotechnology, NANO 2023
Country/TerritoryKorea, Republic of
CityJeju City
Period7/2/237/5/23

ASJC Scopus subject areas

  • Bioengineering
  • Electrical and Electronic Engineering
  • Materials Chemistry
  • Condensed Matter Physics

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