Patent ID: 7397561
Filing Date: 2008-07-08
Classification: G01J,G01N

Abstract:
1. A monochromator system, comprising: an optical system configured to receive light scattered from a first region of a sample surface in response to receiving light at a plurality of excitation wavelengths and to disperse the received light according to wavelength; a first detector mounted to a first moveable detector mount; a second detector mounted to a second moveable detector mount; wherein the first moveable detector mount is configured to move the first detector to a first position associated with a first excitation wavelength of the plurality of excitation wavelengths, and wherein the second moveable detector mount is configured to move the second detector to a second position associated with a second different excitation wavelength of the plurality of excitation wavelengths; and wherein a first detector configuration allows for positioning the detectors at different distances from the optical system to provide a substantially equal resolution; and wherein the first detector is further configured to detect a received portion of light scattered from the first region of the sample surface in response to receiving light at the first excitation wavelength at a first time, and wherein the second detector is further configured to detect a received portion of light scattered from the first region of the sample surface in response to receiving light at the second excitation wavelength at the first time.