Temporal and polarization behavior of far-red emission in tissues

G. Zhang, S. G. Demos, R. R. Alfano

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

Abstract

The far-red temporal and polarization behavior of fat and breast chicken tissue under picosecond 632 and 532 nm pulse illumination is investigated. The tissue samples were illuminated by use of linearly polarized 0.5-ps, 632-nm and 4-ps, 532-nm laser pulses obtained from a pulse compressed modelocked Nd:YAG laser and a R-6G synchronously pumped dye laser. A linearly polarized beam of average power of 20 mW was used to excite the sample. The results demonstrated different temporal and polarization behavior of the far-red emission of the two types of tissue indicating that the fluorophors involved in the emission are different for each illuminating wavelength. The participation of flavins and porphyrins in the far-red emission spectrum is discussed.

Original languageEnglish (US)
Title of host publicationConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
Editors Anon
PublisherIEEE
Pages304-305
Number of pages2
Volume11
StatePublished - 1997
Externally publishedYes
EventProceedings of the 1997 Conference on Lasers and Electro-Optics, CLEO - Baltimore, MD, USA
Duration: May 18 1997May 23 1997

Other

OtherProceedings of the 1997 Conference on Lasers and Electro-Optics, CLEO
CityBaltimore, MD, USA
Period5/18/975/23/97

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering

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  • Cite this

    Zhang, G., Demos, S. G., & Alfano, R. R. (1997). Temporal and polarization behavior of far-red emission in tissues. In Anon (Ed.), Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS (Vol. 11, pp. 304-305). IEEE.