Human blood vessel detection system based on laser photoacoustic spectrometry
A technology of photoacoustic spectroscopy and detection system, which is applied in the direction of using spectral diagnosis, catheter, diagnostic recording/measurement, etc., to achieve the effect of reducing volume and cost
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[0031] The specific embodiment of the present invention is as figure 1 shown.
[0032] The human blood vessel detection system based on laser photoacoustic spectroscopy proposed by the present invention is mainly composed of a main controller 21, a scanning head 1, a three-dimensional electric platform 22 and auxiliary components;
[0033] Among them, the auxiliary components include a fiber optic Raman spectrometer 41, a cascade amplifier 17, a detector circuit 18, a laser controller 19, a signal acquisition card 20, a three-way motor controller 23 and a three-way stepping motor 37;
[0034] The scanning head 1 contains a Raman receiving component, a photoacoustic detection head 10, a perforated mirror 12, a laser 2, a laser beam expander 7, a proportional beam splitter 31, a photoelectric detector 5, an ultrasonic probe 13, and a laser cable 6 , detector cable 8 and ultrasonic cable 14; wherein the Raman receiving component is composed of a dichromatic film 42, a fiber coup...
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