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首页> 外文期刊>Journal of atmospheric and solar-terrestrial physics >Model of infrared emission from sprites
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Model of infrared emission from sprites

机译：精灵发出红外线的模型

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摘要

A model of the 4.26 μm infrared emission due to red sprites is presented. The model considers the generation of nitrogen 'vibrons' due to the collisions of the nitrogen molecules with the electrons energized by the electric field from lightning, followed by the transition of the nitrogen vibrons to the CO_2(001) vibrational level, with a lifetime much shorter than that of nitrogen. The infrared photons of wavelength λ = 4.26 μm radiated by the CO_2(001) propagate through the optically thick atmosphere; therefore, this emission could best be observed from space. The model computes the infrared radiance of sprites, as well as the energy collected by a state-of-the-art space infrared detector, and estimates the signal to background ratio.
机译：提出了由红色小精灵引起的4.26μm红外发射的模型。该模型考虑了氮分子的产生，这是由于氮分子与闪电电场所激发的电子的碰撞所致，随后氮原子的振动跃迁为CO_2（001）振动能级，寿命大大延长比氮短CO_2（001）辐射的波长为λ= 4.26μm的红外光子在较厚的大气中传播;因此，最好从太空观察到这种发射。该模型可计算精灵的红外辐射以及最先进的空间红外探测器收集的能量，并估算信噪比。

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