Modulul optoelectronic pentru detectarea gazelor constă din diodă laser cu emisie verticală (VCSEL), fotodiodă de control a fluxului optic emis, un element Peltier, termorezistor – toate integrate într-un cip. Camera de gaze are un sistem de oglinzi paralele. Fluxul optic ce se reflectă multiplu în sistemul de oglinzi este înregistrat de un fotodetector. Schimbând unghiul fluxului optic reflectat mărim drumul parcurs de fluxul optic în mediu cu gaze, sporind cuantumul energiei absorbite de gaze.
Optical gas detection module consists of vertical emitting laser diode (VCSEL), optical flux control photodiode, a thermoelectric cooler, thermo-resistor - all integrated in one chip. The gas chamber consists of a parallel mirrors system. Optical beam is multiply reflected in the mirror system after it is recorded by a photo-detector. Optical path of beam in the gas medium is changed by the rotation of mirrors that reflect the optical beam, increasing the absorbed energy by the gas.
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