FIELD: physics.
SUBSTANCE: invention relates to mobile lidars for probing tropospheric ozone on inclined and horizontal paths. Device consists of rotary mirrors solid-state pulsed laser (1), stimulated Raman scattering cell (5) with hydrogen, mirror collimator (11), receiving-transmitting adjustable mirrors (2, 3, 10, 12-14), assembled according to the Cassegrain scheme of receiving telescope (15), spectral selection cuvette (16), field diaphragm (17), collimating lenses (7, 18), spectrum-dividing mirror (19), beam-splitting mirrors (20, 25), interference filters (21, 23, 26, 29), focusing lenses (4, 22, 24, 27, 28), photomultiplier modules (30-33), photon counter (34), connected to computer (35), light guide (36) for synchronizing operation of photon counter (34) and pulsed laser (1). Transmitting path of the lidar is fitted with system (6) for injecting gas pressure and system (9) for measuring and indicating energy of probing wavelengths with beam-splitting mirror (8). System (9) for measuring and indicating energy of probing wavelength consists of a spectrum dividing mirror and two power meters.
EFFECT: probing atmospheric ozone on both inclined and horizontal paths with spatial resolution equal to 1.5 m.
1 cl, 2 dwg
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