The detection, identification and quantification of various air pollutants are key issues in several fields of investigation such as environmental and industrial surveillance, security, or biology. These applications require the development of specific optical sensors. For remote detection of green-house and industrial gases, it is necessary to develop compact, portable, low cost and user-friendly differential absorption LIDAR (DIAL) systems, which are able to respond to the demanding specifications for multi-species atmospheric gas detection.
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