Polarization retaining single-mode optical waveguide
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United States of America Patent
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Oct 23, 1984
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N/A
app pub date -
Mar 28, 1983
filing date -
Apr 13, 1981
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Expired
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Abstract
A single mode optical waveguide is fabricated in a manner such that the core thereof is subjected to a stress-induced birefringence. This characteristic is accomplished by introducing into the cladding region of the fiber on opposite sides of the core longitudinally extending regions of glass having a thermal coefficient of expansion different from that of the remainder of the cladding. A number of novel techniques are disclosed for forming such a fiber.
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