Harries J E
Appl Opt. 1980 Sep 15;19(18):3075-81. doi: 10.1364/AO.19.003075.
The paper considers the application of broadband emission radiometry in the submillimeter (very far infrared) spectral region for studies of stratospheric water vapor. The detailed spectroscopy of the region is discussed and the effects of spectral contamination due to emission lines of other constituents, notably O(3) and O(2), and to a lesser extent N(2), are determined quantitatively. The O(3) lines arise through electric dipole transitions, the O(2) lines through magnetic dipole transitions, and the N(2) emission results from collision-induced electric dipole effects. Under certain circumstances, emission from these other species can represent a significant fraction of that due to H(2)O itself; it must either be corrected for rather carefully or eliminated in the design of the instrument.
本文探讨了宽带发射辐射测量技术在平流层水汽研究的亚毫米（极远红外）光谱区域中的应用。文中讨论了该区域的详细光谱学，并定量确定了由于其他成分（特别是O(3)和O(2)，以及程度较轻的N(2)）的发射线导致的光谱污染效应。O(3)线通过电偶极跃迁产生，O(2)线通过磁偶极跃迁产生，而N(2)发射则是由碰撞诱导的电偶极效应导致的。在某些情况下，这些其他物种的发射可能占H(2)O自身发射的很大一部分；在仪器设计中，要么必须非常仔细地对其进行校正，要么将其消除。
