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7 June 2017 Studying time of flight imaging through scattering media across multiple size scales (Conference Presentation)
Andreas Velten
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Proceedings Volume 10193, Ultrafast Bandgap Photonics II; 101930Y (2017) https://doi.org/10.1117/12.2263949
Event: SPIE Defense + Security, 2017, Anaheim, CA, United States
Abstract
Light scattering is a primary obstacle to optical imaging in a variety of different environments and across many size and time scales. Scattering complicates imaging on large scales when imaging through the atmosphere when imaging from airborne or space borne platforms, through marine fog, or through fog and dust in vehicle navigation, for example in self driving cars. On smaller scales, scattering is the major obstacle when imaging through human tissue in biomedical applications. Despite the large variety of participating materials and size scales, light transport in all these environments is usually described with very similar scattering models that are defined by the same small set of parameters, including scattering and absorption length and phase function. We attempt a study of scattering and methods of imaging through scattering across different scales and media, particularly with respect to the use of time of flight information. We can show that using time of flight, in addition to spatial information, provides distinct advantages in scattering environments. By performing a comparative study of scattering across scales and media, we are able to suggest scale models for scattering environments to aid lab research. We also can transfer knowledge and methodology between different fields.
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Andreas Velten "Studying time of flight imaging through scattering media across multiple size scales (Conference Presentation)", Proc. SPIE 10193, Ultrafast Bandgap Photonics II, 101930Y (7 June 2017); https://doi.org/10.1117/12.2263949
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KEYWORDS
Scattering
Light scattering
Fiber optic gyroscopes
Scattering media
Time of flight imaging
Absorption
Biomedical optics
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