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Methods and systems for performing angle-resolved Fourier-domain optical coherence tomography

  • US RE46,412 E1
  • Filed: 02/19/2014
  • Issued: 05/23/2017
  • Est. Priority Date: 02/24/2006
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a first arrangement having a lens configured to receive at least one first electro-magnetic radiation, and forward at least one second electro-magnetic radiation within a solid angle to a sample, wherein the at least one forwarded second electro-magnetic radiation is at least one focused radiation, wherein the at least one second electro-magnetic radiation is associated with the at least one first electro-magnetic radiation, wherein the first arrangement is configured to receive a plurality of third electro-magnetic radiations from the sample which is associated with the at least one second electro-magnetic radiation, wherein the third electro-magnetic radiations are based on the at least one focused second electro-magnetic radiation, and wherein the lens receives at least one portion of the third electro-magnetic radiations is provided outside a periphery of the solid angle; and

    a second arrangement having a detector configured to simultaneously detect signals which are (i) provided along optical axes associated therewith that are different from one another, and (ii) associated with each of the third electro-magnetic radiations, wherein the signals are associated with information for the at least one sample at a plurality of depths thereof, and wherein the second arrangement is configured to determine the depths using the at least one portion of the third electro-magnetic radiations.

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