2.5-km Low-Temperature Multiple-Reflection Cell.
@article{Horn197125kmLM, title={2.5-km Low-Temperature Multiple-Reflection Cell.}, author={D. Horn and G. Pimentel}, journal={Applied optics}, year={1971}, volume={10 8}, pages={ 1892-8 } }
A low-temperature multiple-pass White cell is described which can be operated at any temperature between 120 K and room temperature. The path length can be varied from 60 m up to 2540 m in 80-m steps. The four-row multiple reflection system, a modified White arrangement, is enclosed in an aluminum dewar and can be focused externally while cold. An approximate expression for the astigmatic image distortion in a cell of the described type is derived.
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