专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2005074573A2 METHOD AND APPARATUS FOR PROVIDING LIGHT HAVING A SELECTED POLARIZATION WITH AN OPTICAL FIBER 审中-公开
标题翻译：用于向具有光纤的选择极化的光提供光的方法和装置
公开(公告)号：WO2005074573A2
公开(公告)日：2005-08-18
申请号：PCT/US2005002908
申请日：2005-01-31
申请人： NUFERN , ABRAMCZYK JAROSLAW , MANYAM UPENDRA H , SAMSON BRYCE N , TANKALA KANISHKA
发明人： ABRAMCZYK JAROSLAW , MANYAM UPENDRA H , SAMSON BRYCE N , TANKALA KANISHKA
IPC分类号： H01S3/067
CPC分类号： H01S3/0675 , G02B6/105 , H01S3/06712 , H01S3/06729 , H01S3/08045 , H01S3/09415 , H01S3/1067 , 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 M 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 M 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）可以提供具有所选择的线性偏振的第一偏振比和具有M 2参数的光，并且其中，光纤（120,504,604,804,1004）位于第二位置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 2参数的光以及所选择的偏振的第二偏振比相对于第一偏振比增加，所述增加比第一偏振比大至少6dB，并且其中当光纤（120,504,604,804,1004）的长度为在第二位置，设备（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。

2. 发明申请

WO2006017802A3 FIBER OPTIC ARTICLE 审中-公开
标题翻译：光纤文章
公开(公告)号：WO2006017802A3
公开(公告)日：2006-11-23
申请号：PCT/US2005028032
申请日：2005-08-05
申请人： NUFERN , FARRONI JULIA A , MANYAM UPENDRA H , JACOBSON NILS , TANKALA KANISHKA , CARTER ADRIAN
发明人： FARRONI JULIA A , MANYAM UPENDRA H , JACOBSON NILS , TANKALA KANISHKA , CARTER ADRIAN
IPC分类号： G02B6/02 , G02B6/00 , H01S3/30 , H04B10/12
CPC分类号： G02B6/03661 , G02B6/02 , G02B6/02042 , G02B6/024 , G02B6/03638
摘要： An optical fiber comprising a core (120, 220, 320, 420, 520, 620, 720, 820) having at least one rare earth for providing light having a first wavelength responsive to the fiber being pumped by light having a second wavelength that is different than the first wavelength; an inner region (270, 370, 470, 570, 670, 770, 870) disposed about the core; a pump cladding (224, 324, 424, 524, 624, 724, 824) disposed about the inner region; a second cladding (128, 228, 328, 628, 728, 828) disposed about the pump cladding; wherein the index of refraction of the second cladding is less than that of the pump cladding, the index of refraction of the pump cladding is less than that of the inner region, and the index of refraction of the inner region is less than that of the core; and wherein the core comprises a V-number at the first wavelength of greater than 2.405 and wherein the core comprises a numerical aperture of less than 0.12.
摘要翻译：一种光纤，其包括具有至少一个稀土的芯体（120,220,320,420,520,620,720,820），所述稀土用于提供具有响应于所述光纤的第一波长的光，所述光被第二波长的光泵浦不同于第一波长; 设置在芯周围的内部区域（270,370,470,570,670,770,870）; 设置在所述内部区域周围的泵包层（224,324,424,524,624,724,824）; 围绕泵包层布置的第二包层（128,228,328,628,728,828）; 其中所述第二包层的折射率小于所述泵浦包层的折射率，所述泵包层的折射率小于所述内部区域的折射率，并且所述内部区域的折射率小于所述内部区域的折射率核心; 并且其中所述芯包括在大于2.405的第一波长处的V号，并且其中所述芯包括小于0.12的数值孔径。

3. 发明公开

EP1733460A4 METHOD AND APPARATUS FOR PROVIDING LIGHT HAVING A SELECTED POLARIZATION WITH AN OPTICAL FIBER 审中-公开
标题翻译：方法和一种用于提供光选择偏振光纤一
公开(公告)号：EP1733460A4
公开(公告)日：2009-04-15
申请号：EP05712370
申请日：2005-01-31
申请人： NUFERN
发明人： ABRAMCZYK JAROSLAW , MANYAM UPENDRA H , SAMSON BRYCE N , TANKALA KANISHKA
IPC分类号： H01S3/067 , H01S3/08
CPC分类号： H01S3/0675 , G02B6/105 , H01S3/06712 , H01S3/06729 , H01S3/08045 , H01S3/09415 , H01S3/1067 , 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.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式