TY - RPRT TI - Off-axis cavity ringdown spectroscopy: application to atmospheric nitrate radical detection. AU - James D Ayers AU - Randy L Apodaca AU - William R Simpson AU - Douglas S Baer PY - 2005 DO - 10.1364/ao.44.007239 UR - https://pubmed.ncbi.nlm.nih.gov/16318196/ ID - 16318196 ER -