Patent ID: 6982789
Filing Date: 2006-01-03
Classification: G01J,G01N

Abstract:
1. A monochromator system for selecting a small range of wavelengths in a polychromatic beam of electromagnetic radiation, which monochromator system functionally sequentially comprises within in a substantially enclosed space containing enclosing means having vertical, longitudinal and lateral dimensions: source means for providing of a beam of electromagnetic radiation; first slit providing means; first mirror; first stage comprising a plurality of gratings, each of which can be rotated into a functional position; second mirror providing element; second slit providing means; third mirror; second stage comprising a plurality of gratings, each of which can be rotated into a functional position; fourth mirror; order sorting filter means; pin hole providing means; and further comprises beam chopper means after said source means for providing of a beam of electromagnetic radiation; said source means for providing a beam of electromagnetic radiation comprising both Xenon and Deuterium Lamps and source selecting mirror and motion imparting means for selecting therebetween; said second mirror being laterally present between said first mirror and said second stage which comprises a plurality of gratings, and said third mirror being laterally positioned between said first stage which comprises a plurality of gratings and said fourth mirror, said first mirror and second mirror and said second stage comprising a plurality of gratings as a group being longitudinally removed from said first stage which comprises a plurality of gratings and said third mirror and said fourth mirror; the improvements being that: