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Cryogenic System for Optical Spectroscopy

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A cryogenic system designed around a Joule-Thomson liquifier capable of maintaing hydrogen temperatures for long periods of time and a simple cryostat suitable for simultaneous infrared and ultraviolet matrix isolation spectroscopy are described. Design features of the gas-control apparatus and construction details for the cryostat per se are provided. The system described provides variable temperature control from 16°K to room temperature. Whereas the apparatus was designed specifically for spectroscropic studies, it may be readily adapted for applications in other areas.

Document Type: Research Article


Affiliations: Department of Chemistry, University of Rochester, Rochester, New York 14627 and Bell Telephone Laboratories, Incorporated, Murray Hill, New Jersey 07974; present address: Bell Telephone Laboratories, Murray Hill, New Jersey 07974

Publication date: July 1, 1968

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