Optical isolator

  • US 5,661,829 A
  • Filed: 03/19/1996
  • Issued: 08/26/1997
  • Est. Priority Date: 03/19/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. An optical isolator comprising:

  • a first collimating means, the first collimating means further comprisinga first optical fiber holder,a first lens located opposite to the first optical fiber holder,a first quartz collimator aligner for aligning the first optical fiber holder and the first lens,a first collimator holder disposed around the first quartz collimator aligner;

    a core, the core further comprisinga first polarizer,a second polarizer, anda polarization rotation means located between the first polarizer and the second polarizer; and

    a second collimating means, the second collimating means further comprisinga second optical fiber holder,a second lens located opposite to the optical fiber holder,a second quartz collimator aligner for aligning the second optical fiber holder and the second lens, anda second collimator holder disposed around the second quartz collimator aligner.

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