Optical filtering device

  • US 6,208,783 B1
  • Filed: 03/29/1999
  • Issued: 03/27/2001
  • Est. Priority Date: 03/13/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A waveguide device for filtering light, comprising:

  • an optical filter, a first section of waveguide, and a second section of waveguide positioned between the first section of waveguide and the optical filter and being in optical communication with the first section of waveguide and the optical filter, the diameter of the second section of waveguide being greater on the end closest to the optical filter than on the end farthest from the optical filter.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×