Microstructured transmission optical fiber
First Claim
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1. A microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber comprising:
- a core region disposed about a longitudinal centerline and having a refractive index profile with a first refractive index, anda cladding region surrounding the core region, the cladding region comprising an annular hole-containing region comprised of non-periodically disposed holes;
wherein the optical fiber has a fiber cutoff of less than 1500 nm.
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Abstract
Microstructured optical fiber for single-moded transmission of optical signals, the optical fiber including a core region and a cladding region, the cladding region including an annular hole-containing region that contains non-periodically disposed holes. The optical fiber provides single mode transmission and low bend loss.
44 Citations
33 Claims
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1. A microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber comprising:
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a core region disposed about a longitudinal centerline and having a refractive index profile with a first refractive index, and a cladding region surrounding the core region, the cladding region comprising an annular hole-containing region comprised of non-periodically disposed holes; wherein the optical fiber has a fiber cutoff of less than 1500 nm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber comprising:
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a core region disposed about a longitudinal centerline, and a cladding region surrounding the core region, the cladding region comprising an annular hole-containing region comprised of non-periodically disposed holes; wherein the annular hole-containing region has a maximum radial width of less than 12 microns; wherein the annular hole-containing region has a regional void area percent of less than 30 percent; and wherein the non-periodically disposed holes have a mean diameter of less than 1550 nm. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An optical transmission system comprising:
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a microstructured optical fiber; an optical source optically coupled to the optical fiber; a receiver optically coupled to the optical fiber, wherein the optical source generates optical signals comprised of light at a transmission wavelength and the optical fiber transmits the optical signals from the optical source to the receiver; wherein the optical fiber comprises; a core region having a refractive index profile with a first refractive index, and a cladding region surrounding the core region and having a second refractive index which is lower than that of the core region such that the light transmitted through the fiber is retained generally within the core region, wherein said cladding region comprises; a hole-containing region surrounding the core region, and an outer hole-free region surrounding and directly adjacent the hole-containing region, wherein the hole-containing region is comprised of holes having a maximum diameter less than the transmission wavelength.
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28. An optical fiber comprising:
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a core region, and a cladding region surrounding the core region, wherein the optical fiber has a 20 mm macrobend induced loss of less than 0.5 dB/turn at 1550 nm, a mode field diameter 1550 nm greater than 10 microns, a fiber cutoff of less than 1400 nm, and wherein the optical fiber contains substantially no fluorine. - View Dependent Claims (29, 30, 31)
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32. An optical fiber comprising:
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a core region, and a cladding region surrounding the core region, wherein the optical fiber has a spectral attenuation at 1550 nm less than 0.20 dB/km, a 20 mm macrobend induced loss of less than 0.5 dB/turn at 1550 nm, a mode field diameter 1550 nm greater than 9.0 microns, and a cable cutoff of less than 1300 nm, and wherein the optical fiber comprises an annular hole-containing region. - View Dependent Claims (33)
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Specification