Near-infrared supercontinuum laser beam source in the second and third near-infrared optical windows used to image more deeply through thick tissue as compared with images from a lamp source - Archive ouverte HAL Access content directly
Journal Articles Journal of Biomedical Optics Year : 2015

Near-infrared supercontinuum laser beam source in the second and third near-infrared optical windows used to image more deeply through thick tissue as compared with images from a lamp source

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Laura A. Sordillo
  • Function : Author
Lindwasser Lukas
  • Function : Author
Budansky Yury
  • Function : Author
Philippe Leproux
  • Function : Author
  • PersonId : 914367
Robert R. Alfano
  • Function : Author

Abstract

With the use of longer near-infrared (NIR) wavelengths, image quality can be increased due to less scattering (described by the inverse wavelength power dependence 1/λn where n≥1) and minimal absorption from water molecules. Longer NIR windows, known as the second (1100 nm to 1350 nm) and third (1600 to 1870 nm) NIR windows are utilized to penetrate more deeply into tissue media and produce high-quality images. An NIR supercontinuum (SC) laser light source, with wavelengths in the second and third NIR optical windows to image tissue provides ballistic imaging of tissue. The SC ballistic beam can penetrate depths of up to 10 mm through tissue.
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hal-01321484 , version 1 (25-05-2016)

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Laura A. Sordillo, Lindwasser Lukas, Budansky Yury, Philippe Leproux, Robert R. Alfano. Near-infrared supercontinuum laser beam source in the second and third near-infrared optical windows used to image more deeply through thick tissue as compared with images from a lamp source. Journal of Biomedical Optics, 2015, 20 (3), ⟨10.1117/1.JBO.20.3.030501⟩. ⟨hal-01321484⟩
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