An Introduction to Space Instrumentation,
Edited by K. Oyama and C. Z. Cheng, pp. 17-20.
© TERRAPUB, 2013.

Nitric oxide measurement by self-absorbing gas cell

N. Iwagami

Depertment of Earth and Planetary Science, University of Tokyo, Japan

Abstract: A radiometer is developed to quantify the nitric oxide density in the mesosphere and thermosphere by measuring the γ (1, 0) 215 nm band twilight airglow. It discriminates the airglow from background radiations such as the Rayleigh scattered sunlight by making use of a self-absorbing gas cell.
Key words: Nitric oxide, resonance fluorescence, self-absorbing gas cell, lower thermosphere.

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