Method for measuring turbid medium optical parameter based on deficient P3 approximation forward model
A forward model, optical parameter technology, used in phototherapy, diagnostic recording/measurement, radiotherapy, etc., to achieve the effect of concise expression and fast solution speed
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[0056] Example: Measured value L with emissivity m (r,θ i ), L m (r′,θ i )i=0,...,3, the measured medium is μ configured with India ink and 20% Intralipid a =0.5mm -1 , μ′ s =0.5mm -1 Take the liquid phantom as an example, where r and r' are selected as 5mm and 10mm, θ 0 , θ 1 , θ 2 and θ 3 Selected as 40°, 80°, 120° and 160°, the measurement system used is a steady-state emissivity interstitial measuring device system, and the main structure (see patent application number 201610822322.3) is: including a light source module, a detection module, a displacement Module and control module; the light source module includes a tungsten halogen lamp connected to one end of the light source fiber; the other end of the light source fiber is provided with an isotropic scattering head for converting the light emitted by the tungsten halogen lamp into a point light source The detection module includes a side-illuminated optical fiber and a spectrometer, one end of the side-illumi...
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