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Methods, arrangements and apparatus for utilizing a wavelength-swept laser using angular scanning and dispersion procedures

  • US 9,176,319 B2
  • Filed: 03/21/2008
  • Issued: 11/03/2015
  • Est. Priority Date: 03/23/2007
  • Status: Active Grant
First Claim
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1. An apparatus for filtering an electromagnetic radiation, comprising:

  • at least one first arrangement configured to receive at least one first electro-magnetic radiation and forward at least one second electro-magnetic radiation at different angles with respect to a direction of incidence of the at least one first electro-magnetic radiation; and

    at least one wavelength dispersion second arrangement configured to receive the at least one second electro-magnetic radiation, intentionally forward at least one third electro-magnetic radiation to the at least one first arrangement and further receive at least one fourth electro-magnetic radiation, wherein the at least one third electro-magnetic radiation is a return radiation from the at least one wavelength dispersion second arrangement based on the at least one second electro-magnetic radiation, and wherein the at least one fourth electro-magnetic radiation is a direct reflection of the at least one third electro-magnetic radiation from the at least one first arrangement.

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