×

Method and apparatus for a Fabry-Perot multiple beam fringe sensor

  • US 4,329,058 A
  • Filed: 01/22/1979
  • Issued: 05/11/1982
  • Est. Priority Date: 01/22/1979
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for making an apparatus for optically sensing a physical parameter, said method comprising the steps of:

  • forming optically flat surfaces on one end of each of a pair of optical fibers,forming a raised contact means on the flat end surface of a first of said pair of optical fibers,applying a first spacer means around said raised contact means,shortening said raised contact means, so that said contact means is recessed with respect to said first spacer means,mating said first spacer means of said first optical fiber to the flat end surface of the second of said pair of optical fibers, so that a Fabry-Perot gap is formed between said recessed contact means and the flat end surface of said second optical fiber, andtransmitting light through said Fabry-Perot gap and examining the optical characteristics of said light for providing an indication of the physical parameter to be sensed.

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