A laser light source with a channel reception for Raman spectroscopy of skin tumors

摘要

The invention relates to an electronic medical diagnostic techniques, more particularly to conduct diagnosis of skin tumors using the method of Raman spectroscopy.; laser light source with a receiving channel for Raman spectroscopy skin lesions, comprising a source of laser radiation at a wavelength of 785 nm, a microcontroller, an interface for communication with the PC, the Raman shift signal receivers are in the form of two photodiodes, the fiber-input, each connected to a different channel registration Raman scattering, Raman scattering, each recording channel comprises a series-connected converter photocurrent into voltage, a band pass filter, amplifier Sig ala photodiode, the low-pass filter, an analog-digital converter information channel, analog-to-digital converter information channel is connected to the microcontroller, wherein the fiber tip photodiodes applied narrowband spectral filters, and a laser light source is further coupled current source is coupled to the digital-to-analog converter, digital-to-analog converter connected to a microcontroller additionally introduced laser photodiode, connected to the inverter fototo Single-voltage, which is connected with the filter connected to the amplitude detector, the amplitude detector connected to an analog-to-digital converter of the feedback channel, analog-to-digital converter is feedback channel connected to the microcontroller. 2 ill.