Instrumentation is described with which it is possible to determine the spectral distribution of rapidly varying infrared sources as a function of time.
A ten channel infrared spectrometer utilizing a multiple arrangement of Golay pneumatic detectors provides information for a ten channel electronic switch which presents this information on a single oscilloscope screen. Silver tube “wave guides” are used to conduct radiation passing through ten separate exit slits to the corresponding detectors. This equipment was developed in connection with a project sponsored by Evans Signal Laboratory, Signal Corps, Department of the Army, Belmar, N. J.
JOHN T. AGNEW, RACHEL G. FRANKLIN, and ROBERT E. BENN, "A Ten Channel Infrared Spectrograph," J. Opt. Soc. Am. 41, 76-76 (1951)