×

Thin-sheet collimation optics for diode laser illumination systems for use in night vision and exterior lighting applications

  • US 6,422,713 B1
  • Filed: 10/17/2000
  • Issued: 07/23/2002
  • Est. Priority Date: 10/17/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. An optical element for directing a light, the optical element comprising:

  • an input surface for receiving the light;

    an output surface generally perpendicular to the input surface for emitting the light; and

    a stepped surface angling between the input surface and the output surface, the stepped surface having a plurality of reflecting facets arranged so that the light is reflected only by the plurality of reflecting facets in passing from the input surface to the output surface.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×