Patents Assigned to Rudolph Research Analytical Inc.
  • Patent number: 8922773
    Abstract: A system and method for polarimetry are disclosed in which a polarimeter may include a light source for transmitting a light beam through a sample within a container; a wavelength selector configured to specify a target wavelength at which the polarization rotation of the light beam emerging from the sample will be evaluated; a polarization rotator configured to be selectively moved into and out of a path of the light beam from the light source; and a detector for obtaining a first measurement of the light beam polarization rotation with the polarization rotator outside the path of the light beam, and a second measurement of the light beam polarization rotation with the polarization rotator within the path of the light beam, with both measurements occurring at the wavelength resulting from the configuration of the wavelength selector.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: December 30, 2014
    Assignee: Rudolph Research Analytical Inc.
    Inventor: Jeff A. Wagner
  • Patent number: 8605271
    Abstract: A critical-angle refractometer which utilizes an in image of light reflected from an optical interface with a vessel containing a sample under test to determine an optical property of the sample, sample properties are evaluated to prevent improper testing of the sample. This evaluation includes establishing reflectance information associating the amount of reflection with locations in the image; and utilizing a plurality of properties of the reflectance information to determine if the vessel contains a proper sample under test.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: December 10, 2013
    Assignee: Rudolph Research Analytical Inc.
    Inventor: Jeff A. Wagner