| 摘要 |
A holey fiber has: a core region at a center of the holey fiber; a cladding region around the core region; a plurality of holes included in the cladding region, formed in layers around the core region, arranged to form a triangular lattice having a lattice constant Λ of 2 micrometers to 5 micrometers, and each having a diameter of d micrometers; and a wavelength dispersion value of −10 ps/nm/km to 10 ps/nm/km at a wavelength of 1050 nanometers when d/Λ is 0.3 to 0.47.
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