The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 22, 2007
Filed:
Feb. 13, 2003
D. Scott Hampton, Mundelein, IL (US);
Shankar Krishnan, Santa Clara, CA (US);
James Rix, Chicago, IL (US);
D. Scott Hampton, Mundelein, IL (US);
Shankar Krishnan, Santa Clara, CA (US);
James Rix, Chicago, IL (US);
Containerless Research, Inc., Evanston, IL (US);
Abstract
In a device for measuring the complete polarization state of light over a spectral bandwidth, an optical input signal () with wavelengths of light within a spectral band is incident on two or more diffraction gratings (), or incident from at least two directions on one or more diffraction gratings (), and the intensity is measured as a function of wavelength for at least four of the diffraction spectra produced by the grating(s). The polarization state of light is then calculated as a function of wavelength over the spectral bandwidth from the intensity measurements.