Infrared DIAL for remote sensing of atmospheric pollutants

V. Vaicikauskas; V. Kabelka; Z. Kuprionis; M. Kaucikas

doi:10.1117/12.622679

11 October 2005 Infrared DIAL for remote sensing of atmospheric pollutants

V. Vaicikauskas, V. Kabelka, Z. Kuprionis, M. Kaucikas

Proceedings Volume 5958, Lasers and Applications; 59581K (2005) https://doi.org/10.1117/12.622679
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

We describe a new development of differential absorption DIAL spectrometric system based on the mid-infrared tunable Optical Parametric Oscillator (OPO), pumped by compact Q-switched lasers. Mobile LIDAR was assembled in the truck and is devoted for selective pollutant analysis in the distance range extending from hundred of meters to a few kilometers. A reliable cascade mid-IR generation scheme was developed. Pulse energies up to milijoule in mid-IR (λ=8-12 μm) have been already obtained using nonlinear AgGaSe₂ crystal. The collinear optical scheme with 25cm (10inch) gold mirror telescope, MCT thermoelectrically cooled detector with control electronics was tested at 250m optical length and currently is under further development.

Citation Download Citation

V. Vaicikauskas, V. Kabelka, Z. Kuprionis, and M. Kaucikas "Infrared DIAL for remote sensing of atmospheric pollutants", Proc. SPIE 5958, Lasers and Applications, 59581K (11 October 2005); https://doi.org/10.1117/12.622679

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