Abstract
Design characteristics and performance are described for a low-temperature multiple-reflection cell used with a laser diode spectrometer. The optical pathlength can be varied from 0.04 km to 1.5 km in the temperature controlled cell from 160 K to 300 K. Examples are presented to illustrate pressure broadening in the 16 μm N2O band and to indicate some high resolution absorption measurements of rotational manifolds in the ν4 band of SF6 and an application to the analysis of the Q-branch of the 2ν4–ν4 hot band transition in SF6.
© 1978 Optical Society of America
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