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The goniometer employs the same light sources as the multispectral microscope, but has an extended capability to measure the scattering properties of a sample by determining the preferred angles light choses to scatter into. The goniometer is therefore important when characterizing the optical properties of human tissue, which in turn lays a foundation for proper interpretation of signals generated by other methods, such as photoacoustic imaging.

Goniometry setup
Top-view of a multispectral goniometer built from LEGO and controlled via RaspBerry Pi.

The four images below are from a pilot study and represent the same house-fly taken eith different excitation wavelengths to demonstrate different information. The size of the fly is representative of typical tissue samples that are investigated. 

Eupeodes corallae captured with goniometry. Photo.
Eupeodes corallae, true colors. Photo.
Infra red goniometry image of a fly. Photo.
Ultra violet goniometry image of a fly. Photo.