公开(公告)号：US20110075252A1

公开(公告)日：2011-03-31

申请号：US12890249

申请日：2010-09-24

申请人： Gavin P. Frith

发明人： Gavin P. Frith

IPC分类号： H01S3/067 ,  G02B6/02 ,  H01S3/30

CPC分类号： H01S3/0675 ,  H01S3/06716 ,  H01S3/06729 ,  H01S3/08059 ,  H01S3/094003 ,  H01S3/094007 ,  H01S3/094061

摘要： The present invention relates generally to devices for the generation and amplification of electromagnetic energy. The present invention relates more particularly to optical fiber devices, such as lasers and amplifiers, useful for generating and amplifying optical energy. Accordingly, one aspect of the present invention is an optical fiber device for providing optical gain at a selected wavelength, the optical fiber device comprising: one or more sources of optical pump energy; a first length of optical fiber having a core comprising a first cross-sectional region within which the concentration of a rare earth does not fall below 50% of its highest concentration; and a second length of optical fiber comprising a core comprising a first cross-sectional region within which the concentration of the rare earth does not fall below 50% of its highest concentration, wherein the intensity of optical pump energy is higher in the first length of optical fiber than in the second, and the first cross-sectional region of the core of the second length of optical fiber is larger in area than the first cross-sectional region of the core of the first length of optical fiber.

摘要翻译： 本发明一般涉及用于产生和放大电磁能的装置。 本发明更具体地涉及可用于产生和放大光能的光纤器件，例如激光器和放大器。 因此，本发明的一个方面是用于在所选波长处提供光增益的光纤装置，所述光纤装置包括：一个或多个光泵浦能源; 第一长度的光纤具有芯，所述芯包括稀土浓度不低于其最高浓度的50％的第一横截面区域; 以及第二长度的光纤，其包括芯，所述芯包括第一横截面区域，稀土的浓度不低于其最高浓度的50％以下，其中光泵浦能量的强度在第一长度的 第二光纤的纤芯的第一横截面积比第一长度的光纤的芯的第一横截面积大。

公开(公告)号：US08229260B2

公开(公告)日：2012-07-24

申请号：US13220511

申请日：2011-08-29

申请人： Gavin P. Frith

发明人： Gavin P. Frith

IPC分类号： G02B6/26 ,  G02B6/36

CPC分类号： G02B6/14 ,  G02B6/4206 ,  G02B6/4296 ,  H01S3/005 ,  H01S3/06708 ,  H01S3/0675 ,  H01S3/2308

摘要： Optical fiber lasers and components for optical fiber laser. An optical fiber laser can comprise a fiber laser cavity having a wavelength of operation at which the cavity provides output light, the cavity including optical fiber that guides light having the wavelength of operation, the fiber having first and second lengths, the first length having a core having a V-number at the wavelength of operation and a numerical aperture, the second length having a core that is multimode at the wavelength of operation and that has a V-number that is greater than the V-number of the core of the first length optical fiber at the wavelength of operation and a numerical aperture that is less than the numerical aperture of the core of the first length of optical fiber. At least one of the lengths comprises an active material that can provide light having the wavelength of operation via stimulated emission responsive to the optical fiber receiving pump light. Components include a mode field adapter and optical fiber interconnection apparatus, which can be used to couple the first and second lengths of optical fiber, or can couple the fiber laser to an optical fiber power amplifier, which can be a multimode or single mode amplifier.

摘要翻译： 光纤激光器和光纤激光器组件。 光纤激光器可以包括具有工作波长的光纤激光腔，空腔在该波长处提供输出光，该腔包括引导具有波长工作波长的光纤，光纤具有第一和第二长度，第一长度具有 在工作波长处具有V号和数值孔径的第二长度具有在操作波长处为多模的核并且具有大于所述核心的V数的V数 在操作波长处的第一长度光纤和小于第一长度光纤的芯的数值孔径的数值孔径。 长度中的至少一个包括能够响应于光纤接收泵浦光而通过受激发射提供具有操作波长的光的活性材料。 组件包括模式现场适配器和光纤互连设备，其可以用于耦合第一和第二长度的光纤，或者可以将光纤激光器耦合到可以是多模或单模放大器的光纤功率放大器。

公开(公告)号：US08027557B2

公开(公告)日：2011-09-27

申请号：US11860346

申请日：2007-09-24

申请人： Gavin P. Frith

发明人： Gavin P. Frith

IPC分类号： G02B6/26 ,  G02B6/36 ,  G02B6/02

CPC分类号： G02B6/14 ,  G02B6/4206 ,  G02B6/4296 ,  H01S3/005 ,  H01S3/06708 ,  H01S3/0675 ,  H01S3/2308

摘要： Optical fiber lasers and components for optical fiber laser. An optical fiber laser can comprise a fiber laser cavity having a wavelength of operation at which the cavity provides output light, the cavity including optical fiber that guides light having the wavelength of operation, the fiber having first and second lengths, the first length having a core having a V-number at the wavelength of operation and a numerical aperture, the second length having a core that is multimode at the wavelength of operation and that has a V-number that is greater than the V-number of the core of the first length optical fiber at the wavelength of operation and a numerical aperture that is less than the numerical aperture of the core of the first length of optical fiber. At least one of the lengths comprises an active material that can provide light having the wavelength of operation via stimulated emission responsive to the optical fiber receiving pump light. Components include a mode field adapter and optical fiber interconnection apparatus, which can be used to couple the first and second lengths of optical fiber, or can couple the fiber laser to an optical fiber power amplifier, which can be a multimode or single mode amplifier.

摘要翻译： 光纤激光器和光纤激光器组件。 光纤激光器可以包括具有工作波长的光纤激光腔，空腔在该波长处提供输出光，该腔包括引导具有波长工作波长的光纤，光纤具有第一和第二长度，第一长度具有 在工作波长处具有V号和数值孔径的第二长度具有在操作波长处为多模的核并且具有大于所述核心的V数的V数 在操作波长处的第一长度光纤和小于第一长度光纤的芯的数值孔径的数值孔径。 长度中的至少一个包括能够响应于光纤接收泵浦光而通过受激发射提供具有操作波长的光的活性材料。 组件包括模式现场适配器和光纤互连设备，其可以用于耦合第一和第二长度的光纤，或者可以将光纤激光器耦合到可以是多模或单模放大器的光纤功率放大器。

公开(公告)号：US08611002B2

公开(公告)日：2013-12-17

申请号：US12890249

申请日：2010-09-24

申请人： Gavin P. Frith

发明人： Gavin P. Frith

IPC分类号： H04B10/17

CPC分类号： H01S3/0675 ,  H01S3/06716 ,  H01S3/06729 ,  H01S3/08059 ,  H01S3/094003 ,  H01S3/094007 ,  H01S3/094061

摘要： The present invention relates generally to devices for the generation and amplification of electromagnetic energy. The present invention relates more particularly to optical fiber devices, such as lasers and amplifiers, useful for generating and amplifying optical energy. Accordingly, one aspect of the present invention is an optical fiber device for providing optical gain at a selected wavelength, the optical fiber device comprising: one or more sources of optical pump energy; a first length of optical fiber having a core comprising a first cross-sectional region within which the concentration of a rare earth does not fall below 50% of its highest concentration; and a second length of optical fiber comprising a core comprising a first cross-sectional region within which the concentration of the rare earth does not fall below 50% of its highest concentration, wherein the intensity of optical pump energy is higher in the first length of optical fiber than in the second, and the first cross-sectional region of the core of the second length of optical fiber is larger in area than the first cross-sectional region of the core of the first length of optical fiber.

摘要翻译： 本发明一般涉及用于产生和放大电磁能的装置。 本发明更具体地涉及可用于产生和放大光能的光纤器件，例如激光器和放大器。 因此，本发明的一个方面是用于在所选波长处提供光增益的光纤装置，所述光纤装置包括：一个或多个光泵浦能源; 第一长度的光纤具有芯，所述芯包括稀土浓度不低于其最高浓度的50％的第一横截面区域; 以及第二长度的光纤，其包括芯，所述芯包括第一横截面区域，稀土的浓度不低于其最高浓度的50％以下，其中光泵能量的强度在第一长度 第二光纤的纤芯的第一横截面积比第一长度的光纤的芯的第一横截面积大。

公开(公告)号：US20110310913A1

公开(公告)日：2011-12-22

申请号：US13220511

申请日：2011-08-29

申请人： Gavin P. Frith

发明人： Gavin P. Frith

IPC分类号： H01S3/1055 ,  G02B6/26

CPC分类号： G02B6/14 ,  G02B6/4206 ,  G02B6/4296 ,  H01S3/005 ,  H01S3/06708 ,  H01S3/0675 ,  H01S3/2308

摘要： Optical fiber lasers and components for optical fiber laser. An optical fiber laser can comprise a fiber laser cavity having a wavelength of operation at which the cavity provides output light, the cavity including optical fiber that guides light having the wavelength of operation, the fiber having first and second lengths, the first length having a core having a V-number at the wavelength of operation and a numerical aperture, the second length having a core that is multimode at the wavelength of operation and that has a V-number that is greater than the V-number of the core of the first length optical fiber at the wavelength of operation and a numerical aperture that is less than the numerical aperture of the core of the first length of optical fiber. At least one of the lengths comprises an active material that can provide light having the wavelength of operation via stimulated emission responsive to the optical fiber receiving pump light. Components include a mode field adapter and optical fiber interconnection apparatus, which can be used to couple the first and second lengths of optical fiber, or can couple the fiber laser to an optical fiber power amplifier, which can be a multimode or single mode amplifier.

摘要翻译： 光纤激光器和光纤激光器组件。 光纤激光器可以包括具有工作波长的光纤激光腔，空腔在该波长处提供输出光，该腔包括引导具有波长工作波长的光纤，光纤具有第一和第二长度，第一长度具有 在工作波长处具有V号和数值孔径的第二长度具有在操作波长处为多模的核并且具有大于所述核心的V数的V数 在操作波长处的第一长度光纤和小于第一长度光纤的芯的数值孔径的数值孔径。 长度中的至少一个包括能够响应于光纤接收泵浦光而通过受激发射提供具有操作波长的光的活性材料。 组件包括模式现场适配器和光纤互连设备，其可以用于耦合第一和第二长度的光纤，或者可以将光纤激光器耦合到可以是多模或单模放大器的光纤功率放大器。

公开(公告)号：US20090080835A1

公开(公告)日：2009-03-26

申请号：US11860346

申请日：2007-09-24

申请人： Gavin P. Frith

发明人： Gavin P. Frith

IPC分类号： G02B6/02 ,  G02B6/42 ,  H01S3/30

CPC分类号： G02B6/14 ,  G02B6/4206 ,  G02B6/4296 ,  H01S3/005 ,  H01S3/06708 ,  H01S3/0675 ,  H01S3/2308

摘要： Optical fiber lasers and components for optical fiber laser. An optical fiber laser can comprise a fiber laser cavity having a wavelength of operation at which the cavity provides output light, the cavity including optical fiber that guides light having the wavelength of operation, the fiber having first and second lengths, the first length having a core having a V-number at the wavelength of operation and a numerical aperture, the second length having a core that is multimode at the wavelength of operation and that has a V-number that is greater than the V-number of the core of the first length optical fiber at the wavelength of operation and a numerical aperture that is less than the numerical aperture of the core of the first length of optical fiber. At least one of the lengths comprises an active material that can provide light having the wavelength of operation via stimulated emission responsive to the optical fiber receiving pump light. Components include a mode field adapter and optical fiber interconnection apparatus, which can be used to couple the first and second lengths of optical fiber, or can couple the fiber laser to an optical fiber power amplifier, which can be a multimode or single mode amplifier.

摘要翻译： 光纤激光器和光纤激光器组件。 光纤激光器可以包括具有工作波长的光纤激光腔，空腔在该波长处提供输出光，该腔包括引导具有波长工作波长的光纤，光纤具有第一和第二长度，第一长度具有 在工作波长处具有V号和数值孔径的第二长度具有在操作波长处为多模的核并且具有大于所述核心的V数的V数 在操作波长处的第一长度光纤和小于第一长度光纤的芯的数值孔径的数值孔径。 长度中的至少一个包括能够响应于光纤接收泵浦光而通过受激发射提供具有操作波长的光的活性材料。 组件包括模式现场适配器和光纤互连设备，其可以用于耦合第一和第二长度的光纤，或者可以将光纤激光器耦合到可以是多模或单模放大器的光纤功率放大器。