Lidar for remote measurement of temperature and humidity

摘要

The invention relates to the field of optical measurements and relates to a lidar for remote measurement of temperature and humidity of the atmosphere. Lidar includes a laser radiation source, a transmitting optical system, a receiving telescope, an optical scrambler, a beam splitting filter, double and single polychromators. The outputs of polychromators through monofilament fibers are connected to photoelectric photomultipliers. The beam splitting filter has a high transmission in the spectral region of the purely rotational Raman spectrum and a high reflection in the spectral region of the vibrational-rotational bands of nitrogen and water vapor. A double polychromator selects optical signals of a purely rotational Raman spectrum, and a single polychromator selects signals of the vibrational-rotational bands of nitrogen and water vapor. The technical result consists in providing the possibility of simultaneous measurement of humidity and temperature of the atmosphere. 1 ill.