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Photoacoustic studies and selective ablation of vascular tissue using a pulsed dye laser (1990)

Dhahir, R. K. ; Dyer, P. E. ; Zhu, Z.

Springer

Applied physics 51 (1990), S. 81-85

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ISSN: 1432-0649

Keywords: 87 ; 42.55 Mv ; 43.35 Yb ; 61.80 Ba

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract The optical attenuation coefficient for human aorta has been measured in the 440–500 nm spectral region using the transient photoacoustic (thermoelastic) response produced by an excimer-laser-pumped dye laser. It is confirmed that diseased tissue has a significantly higher attenuation than normal samples in this spectral region. The maximum difference occurs at ∼480 nm and there is a lowering of the ablation threshold fluence for diseased tissue by a factor of ∼1.5 for dye laser ablation at this wavelength.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00332332

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