RayJack ONE- Simulation results during your lifetime

RayJack ONE® -- Simulation results during your lifetime

Consider a laser beam passing through smoke which is observed by a simple imaging system. Conventionally, light propagation in volume scattering media is modeled as a random walk of the rays. If the mean free path between scattering events is very large (which means a very low density of scatterers), practically no scattering takes place, and an immense number of rays would be needed to produce an image on the detector.

In RayJack ONE®, a ray in a scattering medium can send out so-called observation rays along its trajectory which are directed towards the detector. This improves ray statistics by many orders of magnitude. The figure shows the set-up, the transmitted beam profile (top) and the image of the scattered light on the detector (bottom). The simulation took 30 minutes. Without observation rays, 20 thousand years would be needed to achieve the same image quality – not really an option!

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