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A VACUUM GRATING SPECTROGRAPH FOR THE $INFRARED^{*}$

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/7774

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Title: A VACUUM GRATING SPECTROGRAPH FOR THE $INFRARED^{*}$
Creators: Herndon, John A.; Nielsen, A. H.
Issue Date: 1958
Abstract: “A vacuum-grating spectrograph has been designed and constructed using a modified Pfund type optical system. Incorporated in the instrument is a Fabry-Perot calibrating system which makes it possible to obtain measurements with an absolute accuracy of about $\pm 0.01$ $cm^{-1}$. The instrument is housed in a large vacuum tank and is operated by means of synchro control systems. There are at present four gratings available for use in the spectrograph, which span the region from 400 to $8500 cm^{-1}$. The spectrograph has been tested and has produced data with a resolution of $0.1 cm^{-1}$ in the 2.7 $\mu$ region using a Reeder thermocouple. Slides showing the details of the instrument will be shown.”
URI: http://hdl.handle.net/1811/7774
Other Identifiers: 1958-L-01
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