Abstract
We built a differential optical absorption spectroscopy system to measure near-surface absorption in the atmosphere using a nanosecond white light continuum. The white light laser can cover wavelengths ranging from 420 to 2400 nm, where the and absorption lines are located. At an optical path length of 568 m, it was possible to evaluate atmospheric concentration from absorption bands of and in the vicinity of 2000 nm detected by broadband white light simultaneously.
©2011 Optical Society of America
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