@inbook{180801, keywords = {Absorption spectroscopy, quantum cascade laser (QCL), distributed feedback (DFB) laser, light-emitting diode (LED), spectroscopic techniques, trace gas monitoring, reactive chemical species, hydroxyl radical (OH), nitrate radical (NO3), nitrous acid (HONO), dinitrogen pentoxide (N2O5), nitrogen dioxide (NO2)}, author = {Weidong Chen and Hongming Yi and Tao Wu and Weixiong Zhao and Christophe Lengignon and Gaoxuan Wang and Eric Fertein and C{\'e}cile Coeur and Gerard Wysocki and Tao Wang and Markus W. Sigrist and Xiaoming Gao and Weijun Zhang}, title = {Photonic Sensing of Reactive Atmospheric Species}, year = {2017}, journal = {Encyclopedia of Analytical Chemistry}, pages = {1-60}, publisher = {John Wiley \& Sons, Ltd}, isbn = {9780470027318}, url = {http://dx.doi.org/10.1002/9780470027318.a9432}, language = {eng}, }