POLARIZATION-MAINTAINING FIBER
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Jan 27, 2023
filing date -
Jan 27, 2023
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Abstract
A polarization maintaining fiber includes a core, paired stress applying parts disposed on both sides of the core, and a clad encompassing the core and the paired stress applying parts. When the polarization maintaining fiber has a fiber length of 2 m and a bend radius of 140 mm, the polarization maintaining fiber has a cut-off wavelength equal to or greater than 1.20 μm and less than 1.31 μm. When the polarization maintaining fiber has a bend radius of 5 mm and twists at a rate of one rotation per 31.4 mm of fiber length, the polarization maintaining fiber has a bending loss equal to or less than 6.6 dB at a wavelength of 1.31 μm.
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