公开(公告)号：US07724422B2

公开(公告)日：2010-05-25

申请号：US10597592

申请日：2005-01-31

申请人： Jaroslaw Abramczyk ,  Upendra H. Manyam ,  Bryce N. Samson ,  Kanishka Tankala

发明人： Jaroslaw Abramczyk ,  Upendra H. Manyam ,  Bryce N. Samson ,  Kanishka Tankala

IPC分类号： H01S3/00

CPC分类号： G02B6/14 ,  G02B6/024 ,  G02B6/105 ,  H01S3/06712 ,  H01S3/06729 ,  H01S3/0675 ,  H01S3/094007 ,  H01S3/0941 ,  H01S3/1618

摘要： Optical apparatus (110, 500, 600, 800, 1000) for providing light having a selected linear polarization having a polarization ratio, the apparatus (110, 500, 600, 800, 1000) comprising a length of optical fiber (120, 504, 604, 804, 1001) comprising a rare earth for providing light having a first wavelength responsive to receiving pump light having a second wavelength that is different than said first wavelength, wherein if the length of optical fiber (120, 504, 604, 804, 1004) were placed in a first position between the length of fiber (120, 504, 604, 804, 1004) is substantially linearly oriented (20) the fiber (120, 504, 604, 804, 1004) could propagate at the first wavelength a fundamental mode and a plurality of higher order modes and the apparatus (110, 500, 600, 800, 1000) could provide light having a first polarization ratio for the selected linear polarization and an M2 parameter, and wherein the length of fiber (120, 504, 604, 804, 1004) is positioned in a second position that increases the bend loss of the fiber relative to the first position such that, responsive to the increased bend loss, the apparatus (110, 500, 600, 800, 1000) can provide light having a reduced M2 parameter as well as a second polarization ratio for the selected polarization that is increased relative to the first polarization ratio, the increase being at least 6 dB greater than the first polarization ratio, and wherein when the length of fiber (120, 504, 604, 804, 1004) is in the second position the apparatus (110, 500, 600, 800, 1000) can provide a slope efficiency that is at least 50% of the ratio of the second wavelength to the first wavelength.

摘要翻译： 用于提供具有偏振比的所选线性偏振光的光学装置（110,500,600,800,1000），所述装置（110,500,600,800,1000）包括一段长度的光纤（120,504， 包括稀土，用于提供响应于接收具有不同于所述第一波长的第二波长的泵浦光的具有第一波长的光，其中如果光纤的长度（120,504,604,801， 1004）被放置在光纤（120,504,604,804,1004）的长度之间的第一位置，基本上线性地定向（20），光纤（120,504,604,804,1004）可以在第一波长处传播 基本模式和多个高阶模式，并且所述装置（110,500,600,800,1000）可以提供具有用于所选择的线性偏振的第一偏振比的光和M2参数，并且其中光纤的长度（120 ，504,604,804,1004）定位在第二位置， 折射纤维相对于第一位置的弯曲损耗，使得响应于增加的弯曲损耗，装置（110,500,600,800,1000）可以提供具有减小的M2参数以及第二偏振比的光 对于相对于第一偏振比增加的所选偏振，增加比第一偏振比大至少6dB，并且其中当光纤（120,504,604,804,1004）的长度在第二偏振比 定位装置（110,500,600,800,1000）可以提供至少为第二波长与第一波长的比率的50％的斜率效率。

公开(公告)号：US20090129735A1

公开(公告)日：2009-05-21

申请号：US12360752

申请日：2009-01-27

申请人： Martin Seifert ,  Upendra H. Manyam ,  Mansoor Alam ,  Kanishka Tankala ,  Jaroslaw Abramczyk ,  Douglas Guertin ,  Nils Jacobson

发明人： Martin Seifert ,  Upendra H. Manyam ,  Mansoor Alam ,  Kanishka Tankala ,  Jaroslaw Abramczyk ,  Douglas Guertin ,  Nils Jacobson

IPC分类号： G02B6/02

CPC分类号： C03C25/105 ,  G02B6/02033

摘要： An optical fiber comprising a multimode glass core having a diameter of at least 250 microns and an index of refraction and a polymer cladding having a thickness and contactingly surrounding a glass portion of the fiber so as to define an interface between the glass portion and the polymer cladding. The polymer cladding can have a first index of refraction that is less than the index of refraction. The fiber can comprise a density of less than 0.25 non-conforming regions having a diameter of 25 microns or greater per millimeter of length along the fiber, where each of the non-conforming regions is a region visible to the human eye under an optical microscope and having at least a portion thereof within a selected distance of the interface. The selected distance can be less than or equal to the thickness of the polymer cladding. The optical microscope can have a total magnification of about 200. The polymer cladding can be applied to at least a part of the optical fiber in at least a class 1000 environment. Methods of using optical fibers, including receiving with an optical fiber optical energy from a source and guiding the optical energy with the optical fiber, wherein the optical energy comprises at least one of 1) pulses each comprising a peak power of at least 10 kW, 2) an average power of at least 50 Watts, or 3) an average power density of at least 2.9 kW/cm2.

摘要翻译： 一种光纤，其包括具有至少250微米直径的多模玻璃芯和折射率和聚合物包层，其具有厚度并且接触地围绕所述纤维的玻璃部分以限定所述玻璃部分和所述聚合物之间的界面 包层 聚合物包层可以具有小于折射率的第一折射率。 纤维可以包含小于0.25个不均匀区域的密度，沿着纤维具有每毫米长度的直径为25微米或更大的不符合区域，其中每个不一致区域是在光学显微镜下人眼可见的区域 并且在接口的选定距离内具有至少一部分。 所选择的距离可以小于或等于聚合物包层的厚度。 光学显微镜可以具有约200的总放大率。聚合物包层可以在至少1000级环境中施加到光纤的至少一部分。 使用光纤的方法，包括从光源接收光纤光能并用光纤引导光能，其中光能包括以下各项中的至少一个：每个脉冲包括至少10kW的峰值功率， 2）至少50瓦的平均功率，或3）平均功率密度为至少2.9kW / cm 2。

公开(公告)号：US07483610B2

公开(公告)日：2009-01-27

申请号：US11121501

申请日：2005-05-03

申请人： Martin Seifert ,  Upendra H. Manyam ,  Mansoor Alam ,  Kanishka Tankala ,  Jaroslaw Abramczyk ,  Douglas Guertin ,  Nils Jacobson

发明人： Martin Seifert ,  Upendra H. Manyam ,  Mansoor Alam ,  Kanishka Tankala ,  Jaroslaw Abramczyk ,  Douglas Guertin ,  Nils Jacobson

IPC分类号： G02B6/02

CPC分类号： C03C25/105 ,  G02B6/02033

摘要： An optical fiber comprising a multimode glass core having a diameter of at least 250 microns and an index of refraction and a polymer cladding having a thickness and contactingly surrounding a glass portion of the fiber so as to define an interface between the glass portion and the polymer cladding. The polymer cladding can have a first index of refraction that is less than the index of refraction. The fiber can comprise a density of less than 0.25 non-conforming regions having a diameter of 25 microns or greater per millimeter of length along the fiber, where each of the non-conforming regions is a region visible to the human eye under an optical microscope and having at least a portion thereof within a selected distance of the interface. The selected distance can be less than or equal to the thickness of the polymer cladding. The optical microscope can have a total magnification of about 200. The polymer cladding can be applied to at least a part of the optical fiber in at least a class 1000 environment. Methods of using optical fibers, including receiving with an optical fiber optical energy from a source and guiding the optical energy with the optical fiber, wherein the optical energy comprises at least one of 1) pulses each comprising a peak power of at least 10 kW, 2) an average power of at least 50 Watts, or 3) an average power density of at least 2.9 kW/cm2.

摘要翻译： 一种光纤，其包括具有至少250微米直径的多模玻璃芯和折射率和聚合物包层，其具有厚度并且接触地围绕所述纤维的玻璃部分以限定所述玻璃部分和所述聚合物之间的界面 包层 聚合物包层可以具有小于折射率的第一折射率。 纤维可以包含小于0.25个不均匀区域的密度，沿着纤维具有每毫米长度的直径为25微米或更大的不符合区域，其中每个不一致区域是在光学显微镜下人眼可见的区域 并且在接口的选定距离内具有至少一部分。 所选择的距离可以小于或等于聚合物包层的厚度。 光学显微镜可以具有约200的总放大率。聚合物包层可以在至少1000级环境中施加到光纤的至少一部分。 使用光纤的方法，包括从光源接收光纤光能并用光纤引导光能，其中光能包括以下各项中的至少一个：每个脉冲包括至少10kW的峰值功率， 2）至少50瓦的平均功率，或3）平均功率密度为至少2.9kW / cm 2。

公开(公告)号：US20050254765A1

公开(公告)日：2005-11-17

申请号：US11121501

申请日：2005-05-03

申请人： Martin Seifert ,  Upendra Manyam ,  Mansoor Alam ,  Kanishka Tankala ,  Jaroslaw Abramczyk ,  Douglas Guertin ,  Nils Jacobson

发明人： Martin Seifert ,  Upendra Manyam ,  Mansoor Alam ,  Kanishka Tankala ,  Jaroslaw Abramczyk ,  Douglas Guertin ,  Nils Jacobson

IPC分类号： C03C25/10 ,  G02B6/02 ,  G02B6/16

CPC分类号： C03C25/105 ,  G02B6/02033

摘要： An optical fiber comprising a multimode glass core having a diameter of at least 250 microns and an index of refraction and a polymer cladding having a thickness and contactingly surrounding a glass portion of the fiber so as to define an interface between the glass portion and the polymer cladding. The polymer cladding can have a first index of refraction that is less than the index of refraction. The fiber can comprise a density of less than 0.25 non-conforming regions having a diameter of 25 microns or greater per millimeter of length along the fiber, where each of the non-conforming regions is a region visible to the human eye under an optical microscope and having at least a portion thereof within a selected distance of the interface. The selected distance can be less than or equal to the thickness of the polymer cladding. The optical microscope can have a total magnification of about 200. The polymer cladding can be applied to at least a part of the optical fiber in at least a class 1000 environment. Methods of using optical fibers, including receiving with an optical fiber optical energy from a source and guiding the optical energy with the optical fiber, wherein the optical energy comprises at least one of 1) pulses each comprising a peak power of at least 10 kW, 2) an average power of at least 50 Watts, or 3) an average power density of at least 2.9 kW/cm2.

摘要翻译： 一种光纤，其包括具有至少250微米直径的多模玻璃芯和折射率和聚合物包层，其具有厚度并且接触地围绕所述纤维的玻璃部分以限定所述玻璃部分和所述聚合物之间的界面 包层 聚合物包层可以具有小于折射率的第一折射率。 纤维可以包含小于0.25个不均匀区域的密度，沿着纤维具有每毫米长度的直径为25微米或更大的不符合区域，其中每个不一致区域是在光学显微镜下人眼可见的区域 并且在接口的选定距离内具有至少一部分。 所选择的距离可以小于或等于聚合物包层的厚度。 光学显微镜可以具有约200的总放大率。聚合物包层可以在至少1000级环境中施加到光纤的至少一部分。 使用光纤的方法，包括从光源接收光纤光能并用光纤引导光能，其中光能包括以下各项中的至少一个：每个脉冲包括至少10kW的峰值功率， 2）至少50瓦的平均功率，或3）平均功率密度为至少2.9kW / cm 2。

公开(公告)号：US20080095199A1

公开(公告)日：2008-04-24

申请号：US10597592

申请日：2005-01-31

申请人： Jaroslaw Abramczyk

发明人： Jaroslaw Abramczyk

IPC分类号： H01S3/30

CPC分类号： G02B6/14 ,  G02B6/024 ,  G02B6/105 ,  H01S3/06712 ,  H01S3/06729 ,  H01S3/0675 ,  H01S3/094007 ,  H01S3/0941 ,  H01S3/1618

摘要： Optical apparatus (110, 500, 600, 800, 1000) for providing light having a selected linear polarization having a polarization ratio, the apparatus (110, 500, 600, 800, 1000) comprising a length of optical fiber (120, 504, 604, 804, 1001) comprising a rare earth for providing light having a first wavelength responsive to receiving pump light having a second wavelength that is different than said first wavelength, wherein if the length of optical fiber (120, 504, 604, 804, 1004) were placed in a first position between the length of fiber (120, 504, 604, 804, 1004) is substantially linearly oriented (20) the fiber (120, 504, 604, 804, 1004) could propagate at the first wavelength a fundamental mode and a plurality of higher order modes and the apparatus (110, 500, 600, 800, 1000) could provide light having a first polarization ratio for the selected linear polarization and an M2 parameter, and wherein the length of fiber (120, 504, 604, 804, 1004) is positioned in a second position that increases the bend loss of the fiber relative to the first position such that, responsive to the increased bend loss, the apparatus (110,500, 600, 800, 1000) can provide light having a reduced M2parameter as well as a second polarization ratio for the selected polarization that is increased relative to the first polarization ratio, the increase being at least 6 dB greater than the first polarization ratio, and wherein when the length of fiber (120, 504, 604, 804, 1004) is in the second position the apparatus (110, 500, 600, 800, 1000) can provide a slope efficiency that is at least 50% of the ratio of the second wavelength to the first wavelength.

摘要翻译： 用于提供具有偏振比的所选线性偏振光的光学装置（110,500,600,800,1000），所述装置（110,500,600,800,1000）包括一段长度的光纤（120,504， 包括稀土，用于提供响应于接收具有不同于所述第一波长的第二波长的泵浦光的具有第一波长的光，其中如果光纤的长度（120,504,604,801， 1004）被放置在光纤（120,504,604,804,1004）的长度之间的第一位置，基本上线性地定向（20），光纤（120,504,604,804,1004）可以在第一波长处传播 基本模式和多个高阶模式，并且所述装置（110,500,600,800,1000）可以提供具有用于所选择的线性偏振的第一偏振比的光和M 2参数， 并且其中定位纤维的长度（120,504,604,804,1004） 在第二位置中，增加光纤相对于第一位置的弯曲损耗，使得响应于增加的弯曲损耗，设备（110,500,600,800,1000）可以提供具有减小的M 2的光， / SUP>参数以及相对于第一偏振比增加的所选偏振的第二偏振比，该增加比第一偏振比大至少6dB，并且其中当光纤的长度（120,504） ，604,804,1004）处于第二位置，装置（110,500,600,800,1000）可以提供至少50％的第二波长与第一波长的比率的斜率效率。