Abstract

A microcomputer-controlled tilting filter spectrometer for measuring rotational temperatures from the OH (6–2) and O2 (0–1) airglow bands near 850 nm is described. Instrument performance and benefits achieved at low cost from microcomputer control are discussed. A fast method for determining the rotational temperature that is used in real time is also presented. Results from a first measuring campaign are given that agree well with literature values.

© 1987 Optical Society of America

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