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OPTICAL SYSTEM AND METHOD FOR TRANSMITTING A SOURCE IMAGE

  • US 20180299678A1
  • Filed: 06/14/2018
  • Published: 10/18/2018
  • Est. Priority Date: 12/17/2015
  • Status: Active Grant
First Claim
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1. An optical system configured to transmit a source image from which light having a field angle spectrum emanates, the optical system comprising:

  • an optical waveguide arrangement in which the light can propagate by total internal reflection;

    a diffractive optical input coupling arrangement configured to couple the light emanating from the source image into the optical waveguide arrangement; and

    a diffractive optical output coupling arrangement configured to couple the light that has propagated in the optical waveguide arrangement out from the optical waveguide arrangement,wherein;

    the input coupling arrangement comprises;

    a first input coupling element configured to couple light from a first subfield of the source image having field angles from a first field angle range of the field angle spectrum into the optical waveguide arrangement;

    a second input coupling element configured to couple light from a second subfield of the source image having field angles from a second field angle range;

    the second subfield is at least partly different from the first subfield;

    the second field angle range is at least partly different from the first field angle range;

    the transmitted first subfield and the transmitted at least one second subfield are at least partly superimposed on each other after coupling out from the optical waveguide arrangement; and

    at least one subfield selected from the group consisting of the first subfield and the second subfield is at least partly arcuately bounded before coupling into the optical waveguide arrangement.

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