EA135 Atmospheric ambient ozone detection laser radar

Brief introduction

Based on the principle of differential absorption, the concentration distribution of gas is measured by the absorption characteristic of ozone. Laser radar with high repetition frequency to the atmosphere in launching a pair or several pairs of different wavelength pulse probe, wavelength selection of very close to, which a wavelength in the ozone absorption stronger position, and another at a wavelength of ozone absorption is very weak or absorption of position, of the two laser wavelength absorption difference (two wavelength optical signal attenuation difference) and determine the two pulse laser common path of ozone concentration, so as to realize the spatial and temporal distribution of ozone measurements using ozone. Atmospheric ozone detecting laser radar is composed of three parts: transmitting system, optical receiving system, detecting and collecting system.

Technical parameter

All solid state laser, single mode spot output, high single pulse energy, effective detection range;

Receiving and sending and receiving system, coaxial design, effectively reduce the blind area;

The detector is sensitive to UV, and the lower limit of ozone monitoring can reach ppb level;

High speed data acquisition card, high spatial and time resolution.

The integration of machine structure design

Optical system using grating spectrometer, can make the optical system stable operation for a long time;

The laser system adopts water cooling mode, which has good heat radiation and small vibration.

Long service life

Raman frequency shift tube single life up to 3 years;

Flash use up to 80 million times.

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