Photon counting-type dynamic diffusion fluorescence tomography method and device
A technology of photon counting and dynamic diffusion, applied in fluorescence/phosphorescence, diagnosis, diagnostic recording/measurement, etc., can solve the problems of long integration time, low image resolution, and low spatial sampling density, and achieve wide measurement range, sampling high density effect
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[0036] The technical solution adopted in the present invention is: a photon counting type dynamic diffusion fluorescence tomography system, including:
[0037] The light source system used to excite fluorescence includes continuous wave light sources of different wavelengths, mainly using the near-infrared light band with a wavelength of 600nm-900nm, and the wavelength of the light source is selected according to the excitation band of different fluorescent agents. Attenuator for adjusting the output power of the light source. In addition, it also includes an incident optical fiber from the light source system to the imaging cavity system and a collimator for collimating the incident light source.
[0038] Imaging chamber system for immobilizing and moving small animals. It includes a transparent imaging chamber for fixing small animals, a fiber holder for fixing collimators and detecting optical fibers, a motorized rotating table for rotating the imaging chamber, and an elec...
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