Patent ID: 11774291

Abstract:
Some embodiments provide imaging polarimeter systems comprising: a polarization modulator system configured to modulate a polarization state of an incident beam at a repetition frequency, and outputting a polarized modulated beam; a polarizer positioned to produce an intensity modulated beam; and a detector system comprising: an optical sensor array; a digital read-out integrated circuit (DROIC); and a polarization state system; wherein the optical sensor array is optically aligned with at least a portion of the beam path such that the intensity modulated beam impinges on the sensor array; wherein the DROIC, for each pixel of the optical sensor array, is configured to separate, over time and within an integration frame rate, sets of photo-generated counts; and wherein the polarization state system is configured to identify a series of polarization states for each pixel based on the sets of photo-generated counts and according to the integration frame rate.