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公开(公告)号：US08824847B2
公开(公告)日：2014-09-02
申请号：US13915444
申请日：2013-06-11
Applicant: IMRA America, Inc.
Inventor： Liang Dong , Brian Thomas , Libin Fu
CPC classification number: G02F1/365 , C03B37/0122 , C03B2201/82 , C03B2201/86 , C03B2203/10 , C03B2203/14 , C03B2203/42 , C03B2205/08 , C03B2205/10 , G02B6/02214 , G02B6/02333 , G02B6/02357 , G02F1/395 , H01S3/0057 , H01S3/06729 , H01S3/06754
Abstract: Various embodiments of optical fiber designs and fabrication processes for ultra small core fibers (USCF) are disclosed. In some embodiments, the USCF includes a core that is at least partially surrounded by a region comprising first features. The USCF further includes a second region at least partially surrounding the first region. The second region includes second features. In an embodiment, the first features are smaller than the second features, and the second features have a filling fraction greater than about 90 percent. The first features and/or the second features may include air holes. Embodiments of the USCF may provide dispersion tailoring. Embodiments of the USCF may be used with nonlinear optical devices configured to provide, for example, a frequency comb or a supercontinuum.
Abstract translation: 公开了用于超小芯纤维（USCF）的光纤设计和制造工艺的各种实施例。 在一些实施例中，USCF包括至少部分地被包括第一特征的区域包围的芯。 USCF还包括至少部分围绕第一区域的第二区域。 第二个区域包括第二个特征。 在一个实施例中，第一特征小于第二特征，并且第二特征具有大于约90％的填充分数。 第一特征和/或第二特征可以包括气孔。 USCF的实施例可以提供色散调整。 USCF的实施例可以与被配置为提供例如频率梳或超连续谱的非线性光学装置一起使用。
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公开(公告)号：US20170322370A1
公开(公告)日：2017-11-09
申请号：US15468520
申请日：2017-03-24
Applicant: IMRA America, Inc.
Inventor： Liang Dong , Jun Li , Hugh McKay , Libin Fu , Andrius Marcinkevicius
CPC classification number: G02B6/0288 , G02B6/02009 , G02B6/02333 , G02B6/02357 , G02B6/02361 , G02B6/02366 , G02B6/02371 , G02B6/0283 , G02B6/14 , H01S3/06729 , H01S3/06754 , H01S3/091 , H01S3/11
Abstract: Embodiments of optical fiber may include cladding features that include a material (e.g., fluorine-doped silica glass) that may produce a very low relative refractive index difference with respect to cladding material in which the cladding features are disposed. This relative refractive index difference may be characterized by (n1−n2)/n1, where n1 is the index of refraction of the cladding material in which the cladding features are included, and n2 is the index of refraction of the cladding features. In certain embodiments, the relative refractive index difference may be less than about 4.5×10−3. In various embodiments, the configuration of the cladding features including, for example, the size and spacing of the cladding features, can be selected to provide for confinement of the fundamental mode yet leakage for the second mode and higher modes, which may provide mode filtering, single mode propagation, and/or low bend loss.
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公开(公告)号：US10353144B2
公开(公告)日：2019-07-16
申请号：US15468520
申请日：2017-03-24
Applicant: IMRA America, Inc.
Inventor： Liang Dong , Jun Li , Hugh McKay , Libin Fu , Andrius Marcinkevicius
Abstract: Embodiments of optical fiber may include cladding features that include a material (e.g., fluorine-doped silica glass) that may produce a very low relative refractive index difference with respect to cladding material in which the cladding features are disposed. This relative refractive index difference may be characterized by (n1−n2)/n1, where n1 is the index of refraction of the cladding material in which the cladding features are included, and n2 is the index of refraction of the cladding features. In certain embodiments, the relative refractive index difference may be less than about 4.5×10−3. In various embodiments, the configuration of the cladding features including, for example, the size and spacing of the cladding features, can be selected to provide for confinement of the fundamental mode yet leakage for the second mode and higher modes, which may provide mode filtering, single mode propagation, and/or low bend loss.
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公开(公告)号：US20150241628A1
公开(公告)日：2015-08-27
申请号：US14644779
申请日：2015-03-11
Applicant: IMRA America, Inc.
Inventor： Liang Dong , Jun Li , Hugh McKay , Libin Fu , Andrius Marcinkevicius
CPC classification number: G02B6/0288 , G02B6/02009 , G02B6/02333 , G02B6/02357 , G02B6/02361 , G02B6/02366 , G02B6/02371 , G02B6/0283 , G02B6/14 , H01S3/06729 , H01S3/06754 , H01S3/091 , H01S3/11
Abstract: Embodiments of optical fiber may include cladding features that include a material (e.g., fluorine-doped silica glass) that may produce a very low relative refractive index difference with respect to cladding material in which the cladding features are disposed. This relative refractive index difference may be characterized by (n1−n2)/n1, where n1 is the index of refraction of the cladding material in which the cladding features are included, and n2 is the index of refraction of the cladding features. In certain embodiments, the relative refractive index difference may be less than about 4.5×10−3. In various embodiments, the configuration of the cladding features including, for example, the size and spacing of the cladding features, can be selected to provide for confinement of the fundamental mode yet leakage for the second mode and higher modes, which may provide mode filtering, single mode propagation, and/or low bend loss.
Abstract translation: 光纤的实施例可以包括包括材料（例如氟掺杂石英玻璃）的包层特征，其可以产生相对于其中设置包层特征的包层材料的非常低的相对折射率差。 该相对折射率差可以由（n1-n2）/ n1表征，其中n1是其中包含包层特征的包层材料的折射率，n2是包层特征的折射率。 在某些实施方案中，相对折射率差可以小于约4.5×10 -3。 在各种实施例中，可以选择包括例如包层特征的尺寸和间隔的包层特征的配置，以提供用于第二模式和更高模式的基模模式的限制，而这可以提供模式滤波 ，单模传播和/或低弯曲损耗。
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Patent Agency Ranking
5.发明申请公开(公告)号：US20130301115A1
公开(公告)日：2013-11-14
申请号：US13943582
申请日：2013-07-16
Applicant: IMRA America, Inc.
Inventor： Liang Dong , Martin E. Fermann , Hugh McKay , Libin Fu , Shigeru Suzuki
IPC: H04B10/2507 , G02B6/00 , H01S3/14
CPC classification number: H01S3/175 , C03C13/046 , G02B6/02347 , G02B6/02366 , G02B6/02371 , G02B6/036 , G02B2006/12038 , G02B2006/1209 , H01S3/06716 , H01S3/1603 , H01S3/1616 , H01S3/1618 , H01S3/163 , H01S3/1691 , H01S3/1693 , H01S3/176 , H01S2301/03 , H04B10/2507
Abstract: Various embodiments described herein comprise a laser and/or an amplifier system including a doped gain fiber having ytterbium ions in a phosphosilicate glass. Various embodiments described herein increase pump absorption to at least about 1000 dB/m-9000 dB/m. The use of these gain fibers provide for increased peak-powers and/or pulse energies. The various embodiments of the doped gain fiber having ytterbium ions in a phosphosilicate glass exhibit reduced photo-darkening levels compared to photo-darkening levels obtainable with equivalent doping levels of an ytterbium doped silica fiber.
Abstract translation: 本文描述的各种实施例包括激光器和/或放大器系统，其包括在磷硅玻璃中具有镱离子的掺杂增益光纤。 本文描述的各种实施例将泵吸收增加至至少约1000dB / m-9000dB / m。 这些增益光纤的使用提供了增加的峰值功率和/或脉冲能量。 磷光硅酸盐玻璃中具有镱离子的掺杂增益纤维的各种实施方案与通过掺镱掺杂二氧化硅纤维的等效掺杂水平可获得的光 - 暗化水平相比，显示出降低的光暗度水平。
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公开(公告)号：US09632243B2
公开(公告)日：2017-04-25
申请号：US14644779
申请日：2015-03-11
Applicant: IMRA America, Inc.
Inventor： Liang Dong , Jun Li , Hugh McKay , Libin Fu , Andrius Marcinkevicius
CPC classification number: G02B6/0288 , G02B6/02009 , G02B6/02333 , G02B6/02357 , G02B6/02361 , G02B6/02366 , G02B6/02371 , G02B6/0283 , G02B6/14 , H01S3/06729 , H01S3/06754 , H01S3/091 , H01S3/11
Abstract: Embodiments of optical fiber may include cladding features that include a material (e.g., fluorine-doped silica glass) that may produce a very low relative refractive index difference with respect to cladding material in which the cladding features are disposed. This relative refractive index difference may be characterized by (n1-n2)/n1, where n1 is the index of refraction of the cladding material in which the cladding features are included, and n2 is the index of refraction of the cladding features. In certain embodiments, the relative refractive index difference may be less than about 4.5×10−3. In various embodiments, the configuration of the cladding features including, for example, the size and spacing of the cladding features, can be selected to provide for confinement of the fundamental mode yet leakage for the second mode and higher modes, which may provide mode filtering, single mode propagation, and/or low bend loss.
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7.发明授权公开(公告)号：US08902493B2
公开(公告)日：2014-12-02
申请号：US13943582
申请日：2013-07-16
Applicant: IMRA America, Inc.
Inventor： Liang Dong , Martin E. Fermann , Hugh McKay , Libin Fu , Shigeru Suzuki
IPC: H01S3/17 , G02B6/02 , H01S3/067 , H04B10/25 , G02B6/036 , H01S3/16 , H04B10/2507 , C03C13/04 , G02B6/12
CPC classification number: H01S3/175 , C03C13/046 , G02B6/02347 , G02B6/02366 , G02B6/02371 , G02B6/036 , G02B2006/12038 , G02B2006/1209 , H01S3/06716 , H01S3/1603 , H01S3/1616 , H01S3/1618 , H01S3/163 , H01S3/1691 , H01S3/1693 , H01S3/176 , H01S2301/03 , H04B10/2507
Abstract: Various embodiments described herein comprise a laser and/or an amplifier system including a doped gain fiber having ytterbium ions in a phosphosilicate glass. Various embodiments described herein increase pump absorption to at least about 1000 dB/m-9000 dB/m. The use of these gain fibers provide for increased peak-powers and/or pulse energies. The various embodiments of the doped gain fiber having ytterbium ions in a phosphosilicate glass exhibit reduced photo-darkening levels compared to photo-darkening levels obtainable with equivalent doping levels of an ytterbium doped silica fiber.
Abstract translation: 本文描述的各种实施例包括激光器和/或放大器系统，其包括在磷硅玻璃中具有镱离子的掺杂增益光纤。 本文描述的各种实施例将泵吸收增加至至少约1000dB / m-9000dB / m。 这些增益光纤的使用提供了增加的峰值功率和/或脉冲能量。 磷光硅酸盐玻璃中具有镱离子的掺杂增益纤维的各种实施方案与通过掺镱掺杂二氧化硅纤维的等效掺杂水平可获得的光 - 暗化水平相比，显示出降低的光暗度水平。
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公开(公告)号：US20130294736A1
公开(公告)日：2013-11-07
申请号：US13915404
申请日：2013-06-11
Applicant: IMRA America, Inc.
Inventor： Liang Dong , Brian K. Thomas , Shigeru Suzuki , Libin Fu
CPC classification number: G02B6/032 , B29D11/00663 , G02B6/02328 , G02B6/02347 , G02B6/024
Abstract: Various embodiments include photonic bandgap fibers (PBGF). Some PBGF embodiments have a hollow core (HC) and may have a square lattice (SQL). In various embodiments, SQL PBGF can have a cladding region including 2-10 layers of air-holes. In various embodiments, an HC SQL PBGF can be configured to provide a relative wavelength transmission window Δλ/λc larger than about 0.35 and a minimum transmission loss in a range from about 70 dB/km to about 0.1 dB/km. In some embodiments, the HC SQL PBGF can be a polarization maintaining fiber. Methods of fabricating PBGF are also disclosed along with some examples of fabricated fibers. Various applications of PBGF are also described.
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公开(公告)号：US20130265635A1
公开(公告)日：2013-10-10
申请号：US13915444
申请日：2013-06-11
Applicant: IMRA America, Inc.
Inventor： Liang Dong , Brian Thomas , Libin Fu
CPC classification number: G02F1/365 , C03B37/0122 , C03B2201/82 , C03B2201/86 , C03B2203/10 , C03B2203/14 , C03B2203/42 , C03B2205/08 , C03B2205/10 , G02B6/02214 , G02B6/02333 , G02B6/02357 , G02F1/395 , H01S3/0057 , H01S3/06729 , H01S3/06754
Abstract: Various embodiments of optical fiber designs and fabrication processes for ultra small core fibers (USCF) are disclosed. In some embodiments, the USCF includes a core that is at least partially surrounded by a region comprising first features. The USCF further includes a second region at least partially surrounding the first region. The second region includes second features. In an embodiment, the first features are smaller than the second features, and the second features have a filling fraction greater than about 90 percent. The first features and/or the second features may include air holes. Embodiments of the USCF may provide dispersion tailoring. Embodiments of the USCF may be used with nonlinear optical devices configured to provide, for example, a frequency comb or a supercontinuum.
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