Abstract
Plans will be presented for the construction and operation of an infrared beam port at the Synchrotron Radiation Storage Ring recently opened at Daresbury, U.K. The beam port incorporates a special metal coated silicon carbide mirror collecting 90 mrad (horizontal) × 100 mrad (vertical) of radiation from an extended source along with focusing and collimating optics which present a parallel beam (7 cm in diameter) to our Martin-Puplett far infrared interferometer. The interferometer will allow radiometric and absorption (or reflection) measurements to be made in the 2–300 cm −1 region with a resolution of ⪖0.1 cm −1. In this region we expect that the SRS will provide at least two orders of magnitude more photon flux than a conventional source lamp with superior noise characteristics and a well-defined time structure. An outline of possible uses of such an IR source will be given, with emphasis on applications in chemical physics, biology and materials science.
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