Creating the invisible man

A. J. Welch, Chris Humphrey, Gracie Vargas, Oliver Stumpp, Chris Rylander

Research output: Contribution to journalConference article

Abstract

Our recent research has shown that skin becomes temporarily transparent when a hyper-osmotic agent such as glycerol is introduced into the tissue. Local dehydration and index matching reduce light scattering which increases the penetration depth of collimated light. We have shown that when glycerol is applied to in vivo hamster skin, the resulting transparency is sufficient to allow visualization of blood vessels, and there is a temporary reduction in local blood flow. The reduced blood flow combined with greater light delivery significantly reduces the laser fluence rate [W/cm 2] required to coagulate dermal blood vessels.

Original languageEnglish (US)
Pages (from-to)285-290
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5319
DOIs
StatePublished - Oct 27 2004
EventProgress in Biomedical Optics and Imaging - Laser Interaction with Tissue and Cells XV - San Jose, CA, United States
Duration: Jan 26 2004Jan 28 2004

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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