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公开(公告)号：US20110216790A1
公开(公告)日：2011-09-08
申请号：US13109630
申请日：2011-05-17
申请人： Michael Kevan Durkin , Stephen Roy Norman , Fabio Ghiringhelli , David Neil Payne , Louise Mary Brendan Hickey , Jayanta Kumar Sahu , Mikhail Nickolaos Zervas , Andy Piper , Andrew Michael Gillooly
发明人： Michael Kevan Durkin , Stephen Roy Norman , Fabio Ghiringhelli , David Neil Payne , Louise Mary Brendan Hickey , Jayanta Kumar Sahu , Mikhail Nickolaos Zervas , Andy Piper , Andrew Michael Gillooly
IPC分类号： H01S3/10
CPC分类号： H01S3/06754 , G02B6/024 , H01S3/0014 , H01S3/0064 , H01S3/06712 , H01S3/06716 , H01S3/06733 , H01S3/094007 , H01S3/094076 , H01S3/09415 , H01S3/10015 , H01S3/10038 , H01S3/1618 , H01S3/1691 , H01S3/1693 , H01S3/176 , H01S5/065 , H01S5/0656 , H01S2301/03 , H01S2301/08
摘要： In one embodiment, a photo-darkening resistant optical fibre includes a waveguide having a numerical aperture less than 0.15. The waveguide includes a core having a refractive index n1 and a pedestal having a refractive index n2, and wherein the fibre includes a first cladding having a refractive index n3 surrounding the pedestal, wherein n1 is greater than n2, n2 is greater than n3. The core includes silica, a concentration of alumina of between approximately 0.3 to 0.8 mole percent, a concentration of phosphate of substantially 15 mole percent, a concentration of ytterbium substantially in the range 20000 to 45000 ppm. The pedestal can include silica, phosphate and germania. The core can have substantially zero thulium dopant.
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公开(公告)号：US20110206074A1
公开(公告)日：2011-08-25
申请号：US13098234
申请日：2011-04-29
申请人： Michael Kevan Durkin , Stephen Roy Norman , Fabio Ghiringhelli , David Neil Payne , Louise Mary Brendan Hickey , Jayanta Kumar Sahu , Mikhail Nickolaos Zervas , Andy Piper , Andrew Michael Gillooly
发明人： Michael Kevan Durkin , Stephen Roy Norman , Fabio Ghiringhelli , David Neil Payne , Louise Mary Brendan Hickey , Jayanta Kumar Sahu , Mikhail Nickolaos Zervas , Andy Piper , Andrew Michael Gillooly
IPC分类号： H01S3/10
CPC分类号： H01S3/06754 , G02B6/024 , H01S3/0014 , H01S3/0064 , H01S3/06712 , H01S3/06716 , H01S3/06733 , H01S3/094007 , H01S3/094076 , H01S3/09415 , H01S3/10015 , H01S3/10038 , H01S3/1618 , H01S3/1691 , H01S3/1693 , H01S3/176 , H01S5/065 , H01S5/0656 , H01S2301/03 , H01S2301/08
摘要： In one embodiment, a photo-darkening resistant optical fibre includes a waveguide having a numerical aperture less than 0.15. The waveguide includes a core having a refractive index n1 and a pedestal having a refractive index n2, and wherein the fibre includes a first cladding having a refractive index n3 surrounding the pedestal, wherein n1 is greater than n2, n2 is greater than n3. The core includes silica, a concentration of alumina of between approximately 0.3 to 0.8 mole percent, a concentration of phosphate of substantially 15 mole percent, a concentration of ytterbium substantially in the range 20000 to 45000 ppm. The pedestal can include silica, phosphate and germania. The core can have substantially zero thulium dopant.
摘要翻译： 在一个实施例中，耐光变光纤包括数值孔径小于0.15的波导。 波导包括具有折射率n1的芯和具有折射率n2的基座，并且其中光纤包括具有围绕基座的折射率n3的第一包层，其中n1大于n2，n2大于n3。 核心包括二氧化硅，约0.3至0.8摩尔％的氧化铝浓度，基本上为15摩尔％的磷酸盐浓度，基本上在20000至45000ppm范围内的镱的浓度。 基座可以包括二氧化硅，磷酸盐和锗酸盐。 核可以具有基本上零的ium掺杂剂。
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公开(公告)号：US07936796B2
公开(公告)日：2011-05-03
申请号：US11803036
申请日：2007-05-11
申请人： Michael Kevan Durkin , Stephen Roy Norman , Fabio Ghiringhelli , David Neil Payne , Louise Mary Brendan Hickey , Jayanta Kumar Sahu , Mikhail Nickolaos Zervas , Andy Piper , Andrew Michael Gillooly
发明人： Michael Kevan Durkin , Stephen Roy Norman , Fabio Ghiringhelli , David Neil Payne , Louise Mary Brendan Hickey , Jayanta Kumar Sahu , Mikhail Nickolaos Zervas , Andy Piper , Andrew Michael Gillooly
IPC分类号： H01S3/30
CPC分类号： H01S3/06754 , G02B6/024 , H01S3/0014 , H01S3/0064 , H01S3/06712 , H01S3/06716 , H01S3/06733 , H01S3/094007 , H01S3/094076 , H01S3/09415 , H01S3/10015 , H01S3/10038 , H01S3/1618 , H01S3/1691 , H01S3/1693 , H01S3/176 , H01S5/065 , H01S5/0656 , H01S2301/03 , H01S2301/08
摘要： In one embodiment, a photo-darkening resistant optical fiber includes a waveguide having a numerical aperture less than 0.15. The waveguide includes a core having a refractive index n1 and a pedestal having a refractive index n2, and wherein the fiber includes a first cladding having a refractive index n3 surrounding the pedestal, wherein n1 is greater than n2, n2 is greater than n3. The core includes silica, a concentration of alumina of between approximately 0.3 to 0.8 mole percent, a concentration of phosphate of substantially 15 mole percent, a concentration of ytterbium substantially in the range 20000 to 45000 ppm. The pedestal can include silica, phosphate and germania. The core can have substantially zero thulium dopant.
摘要翻译： 在一个实施例中，耐光变光纤包括数值孔径小于0.15的波导。 波导包括具有折射率n1的芯和具有折射率n2的基座，并且其中光纤包括具有围绕基座的折射率n3的第一包层，其中n1大于n2，n2大于n3。 核心包括二氧化硅，约0.3至0.8摩尔％的氧化铝浓度，基本上为15摩尔％的磷酸盐浓度，基本上在20000至45000ppm范围内的镱的浓度。 基座可以包括二氧化硅，磷酸盐和锗酸盐。 核可以具有基本上零的ium掺杂剂。
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公开(公告)号：US20090016387A1
公开(公告)日：2009-01-15
申请号：US11803036
申请日：2007-05-11
申请人： Michael Kevan Durkin , Stephen Roy Norman , Fabio Ghiringhelli , David Neil Payne , Louise Mary Brendan Hickey , Jayanta Kumar Sahu , Mikhail Nickolaos Zervas , Andy Piper , Andrew Michael Gillooly
发明人： Michael Kevan Durkin , Stephen Roy Norman , Fabio Ghiringhelli , David Neil Payne , Louise Mary Brendan Hickey , Jayanta Kumar Sahu , Mikhail Nickolaos Zervas , Andy Piper , Andrew Michael Gillooly
CPC分类号： H01S3/06754 , G02B6/024 , H01S3/0014 , H01S3/0064 , H01S3/06712 , H01S3/06716 , H01S3/06733 , H01S3/094007 , H01S3/094076 , H01S3/09415 , H01S3/10015 , H01S3/10038 , H01S3/1618 , H01S3/1691 , H01S3/1693 , H01S3/176 , H01S5/065 , H01S5/0656 , H01S2301/03 , H01S2301/08
摘要： In one embodiment, a photo-darkening resistant optical fibre includes a waveguide having a numerical aperture less than 0.15. The waveguide includes a core having a refractive index n1 and a pedestal having a refractive index n2, and wherein the fibre includes a first cladding having a refractive index n3 surrounding the pedestal, wherein n1 is greater than n2, n2 is greater than n3. The core includes silica, a concentration of alumina of between approximately 0.3 to 0.8 mole percent, a concentration of phosphate of substantially 15 mole percent, a concentration of ytterbium substantially in the range 20000 to 45000 ppm. The pedestal can include silica, phosphate and germania. The core can have substantially zero thulium dopant.
摘要翻译： 在一个实施例中，耐光变光纤包括数值孔径小于0.15的波导。 波导包括具有折射率n1的芯和具有折射率n2的基座，并且其中光纤包括具有围绕基座的折射率n3的第一包层，其中n1大于n2，n2大于n3。 核心包括二氧化硅，约0.3至0.8摩尔％的氧化铝浓度，基本上为15摩尔％的磷酸盐浓度，基本上在20000至45000ppm范围内的镱的浓度。 基座可以包括二氧化硅，磷酸盐和锗酸盐。 核可以具有基本上零的ium掺杂剂。
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公开(公告)号：US06947641B2
公开(公告)日：2005-09-20
申请号：US10494844
申请日：2002-11-06
CPC分类号： G02B6/02085 , G02B6/0208
摘要： Apparatus for filtering optical radiation at an operating wavelength (19), which apparatus comprises a grating (1) written into a waveguide (2), and which grating (1) has a first end (3), a second end (91), a first bandwidth (24), a maximum re-flectivity (29), a first group delay variation (17) defined with respect to the first end (3), and a second group delay variation (18) defined with respect to the second end (91), wherein the first and second group delay variations (17), (18) are with respect to the first bandwidth (24), the maximum reflectivity (29) is greater than 50%, the first group delay variation (17) is between 0.1 ps and 100 ps, and the second group delay variation (18) is between 0.1 ps and 100 ps.
摘要翻译： 用于在工作波长（19）处对光辐射进行滤波的装置，该装置包括写入波导管（2）中的光栅（1），以及哪个光栅（1）具有第一端（3），第二端（91） 第一带宽（24），最大反射率（29），相对于第一端（3）限定的第一组延迟变化（17）和相对于第二端限定的第二组延迟变化（18） （91），其中第一组延迟变化（17），（18）相对于第一带宽（24），最大反射率（29）大于50％，第一组延迟变化（17） ）在0.1ps和100ps之间，第二组延迟变化（18）在0.1ps和100ps之间。
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公开(公告)号：US08605762B2
公开(公告)日：2013-12-10
申请号：US13261394
申请日：2011-02-10
IPC分类号： H01S3/13
CPC分类号： H01S5/4006 , H01S3/067 , H01S3/06729 , H01S3/06737 , H01S3/06741 , H01S3/094007 , H01S3/09408 , H01S3/09415
摘要： Laser apparatus (1) comprising a reference source (2), a reference fiber (3), and at least one laser diode (4), wherein the reference fiber (3) comprises a core (5) having a refractive index n1 and a first cladding (6) having a refractive index n2, the first cladding (6) is surrounded by a second cladding (7) having a refractive index n3, the refractive index n1 is greater than the refractive index n2, the refractive index n2 is greater than the refractive index n3, the laser diode (4) emits laser radiation (8) that is guided through the first cladding (6) of the reference fiber (3), the reference source (2) emits reference radiation (9) that has a predetermined wavelength λR (10), the reference radiation (9) is guided through the core (5) of the reference fiber (3) to the laser diode (4), and the reference radiation (9) that is guided through the core (5) of the reference fiber (3) to the laser diode (4) has a power (11) at the predetermined wavelength λR (10), which power is greater than an injection locking threshold of the laser diode.
摘要翻译： 包括参考源（2），参考光纤（3）和至少一个激光二极管（4）的激光设备（1），其中参考光纤（3）包括具有折射率n1的芯（5）和 第一包层（6）具有折射率n2，第一包层（6）由折射率n3的第二包层（7）包围，折射率n1大于折射率n2，折射率n2较大 激光二极管（4）发射通过参考光纤（3）的第一包层（6）引导的激光辐射（8），参考源（2）发射参考辐射（9），其具有 预定波长λR（10），参考辐射（9）被引导通过参考光纤（3）的芯（5）到激光二极管（4），并且被引导通过芯的参考辐射（9） 参考光纤（3）到激光二极管（4）的（5）具有处于预定波长λR（10）的功率（11） s大于激光二极管的注入锁定阈值。
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公开(公告)号：US20120300797A1
公开(公告)日：2012-11-29
申请号：US13261394
申请日：2011-02-10
IPC分类号： H01S3/30
CPC分类号： H01S5/4006 , H01S3/067 , H01S3/06729 , H01S3/06737 , H01S3/06741 , H01S3/094007 , H01S3/09408 , H01S3/09415
摘要： Laser apparatus (1) comprising a reference source (2), a reference fibre (3), and at least one laser diode (4), wherein the reference fibre (3) comprises a core (5) having a refractive index n1 and a first cladding (6) having a refractive index n2, the first cladding (6) is surrounded by a second cladding (7) having a refractive index n3, the refractive index n1 is greater than the refractive index n2, the refractive index n2 is greater than the refractive index n3, the laser diode (4) emits laser radiation (8) that is guided through the first cladding (6) of the reference fibre (3), the reference source (2) emits reference radiation (9) that has a predetermined wavelength λR (10), the reference radiation (9) is guided through the core (5) of the reference fibre (3) to the laser diode (4), and the reference radiation (9) that is guided through the core (5) of the reference fibre (3) to the laser diode (4) has a power (11) at the predetermined wavelength λR (10), which power is greater than an injection locking threshold of the laser diode.
摘要翻译： 包括参考源（2），参考光纤（3）和至少一个激光二极管（4）的激光设备（1），其中参考光纤（3）包括具有折射率n1的芯（5）和 第一包层（6）具有折射率n2，第一包层（6）由折射率n3的第二包层（7）包围，折射率n1大于折射率n2，折射率n2较大 激光二极管（4）发射通过参考光纤（3）的第一包层（6）引导的激光辐射（8），参考源（2）发射参考辐射（9），其具有 预定波长λR（10），参考辐射（9）通过参考光纤（3）的芯（5）被引导到激光二极管（4），并且通过芯引导的参考辐射（9） （3）的激光二极管（5）具有在预定波长λR（10）的功率（11），该功率是绿色的 r比激光二极管的注入锁定阈值。
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公开(公告)号：US20120229910A1
公开(公告)日：2012-09-13
申请号：US13475047
申请日：2012-05-18
CPC分类号： H01S3/005 , B23K26/382 , B23K26/40 , B23K26/702 , B23K2103/08 , B23K2103/12 , B23K2103/50 , G02B6/4208 , G02B19/0014 , G02B19/0047
摘要： Provided herein is an apparatus for optically isolating a light beam from a laser, comprising an optical isolator configured to isolate a light beam having a beam quality; a reference plane; an output connector disposed at the output of the optical isolator, wherein the output connector is configured with a common collimator interface to connect to a collimator which is capable of being mechanically referenced to the reference plane; a first lens arrangement disposed proximal to a distal end of the output connector, wherein the first lens arrangement is selected to provide an output light beam having a predetermined divergence. The laser can be selected from the group consisting of a fiber laser, a disk laser and a rod laser. Also provided herein are a system, a plurality of lasers, and a method of providing a light beam that has a consistent divergence and distance from a reference plane.
摘要翻译： 本文提供了一种用于光学地隔离激光器的光束的装置，包括被配置为隔离具有光束质量的光束的光隔离器; 参考平面 布置在所述光隔离器的输出处的输出连接器，其中所述输出连接器配置有公共准直器接口以连接到能够机械地参考所述参考平面的准直器; 布置在输出连接器的远端附近的第一透镜装置，其中选择第一透镜装置以提供具有预定发散度的输出光束。 激光可以选自光纤激光器，盘式激光器和棒状激光器。 本文还提供了一种系统，多个激光器和提供与参考平面具有一致的发散度和距离的光束的方法。
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公开(公告)号：US08743454B2
公开(公告)日：2014-06-03
申请号：US13573096
申请日：2012-08-21
申请人： Anatoly Borisovich Grudinin , Dave Neil Payne , Paul William Turner , Lars Johan Albinsson Nilsson , Michael Nickolaos Zervas , Morten Ibsen , Michael Kevan Durkin
发明人： Anatoly Borisovich Grudinin , Dave Neil Payne , Paul William Turner , Lars Johan Albinsson Nilsson , Michael Nickolaos Zervas , Morten Ibsen , Michael Kevan Durkin
CPC分类号： H01S3/094003 , B82Y20/00 , C03B37/027 , C03B37/028 , C03B37/075 , C03C13/046 , C03C2213/04 , G02B6/02347 , G02B6/1225 , G02B6/2835 , H01S3/06708 , H01S3/06758 , H01S3/094019 , H01S3/2383 , Y10T29/49885
摘要： An optical amplifier includes at least one pump source and an optical fiber cable which includes an amplifying optical fiber and a pump optical fiber that are defined by respective lengths. The amplifying optical fiber and the pump optical fiber are coated with a common coating along a portion of their respective lengths, and the fibers are in optical contact with each other along a coating length within the common coating. The common coating has a refractive index which is lower than a refractive index of a cladding material of the pump optical fiber. The fibers are made substantially from glass. The amplifying optical fiber includes a core and a cladding, and is doped with a rare earth dopant. The pump optical fiber is defined by a first end and a second end, the first end of the pump optical fiber being connected to the pump source.
摘要翻译： 光放大器包括至少一个泵浦源和一根光缆，该光缆包括由相应长度限定的放大光纤和泵浦光纤。 放大光纤和泵浦光纤沿其各自长度的一部分涂覆有公共涂层，并且纤维沿着公共涂层内的涂层长度彼此光学接触。 普通涂层的折射率低于泵浦光纤的包层材料的折射率。 纤维基本上由玻璃制成。 放大光纤包括芯和包层，并且掺杂有稀土掺杂剂。 泵浦光纤由第一端和第二端限定，泵浦光纤的第一端连接到泵浦源。
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公开(公告)号：US20100188734A1
公开(公告)日：2010-07-29
申请号：US12658610
申请日：2010-02-08
申请人： Anatoly Borisovich Grudinin , Dave Neil Payne , Paul William Turner , Lars Johan Albinsson Nilsson , Michael Nickolaos Zervas , Morten Ibsen , Michael Kevan Durkin
发明人： Anatoly Borisovich Grudinin , Dave Neil Payne , Paul William Turner , Lars Johan Albinsson Nilsson , Michael Nickolaos Zervas , Morten Ibsen , Michael Kevan Durkin
IPC分类号： H01S3/09
CPC分类号： H01S3/094003 , B82Y20/00 , C03B37/027 , C03B37/028 , C03B37/075 , C03C13/046 , C03C2213/04 , G02B6/02347 , G02B6/1225 , G02B6/2835 , H01S3/06708 , H01S3/06758 , H01S3/094019 , H01S3/2383 , Y10T29/49885
摘要： An optical fibre arrangement has at least two optical fibre sections, each optical fibre section defining an outside longitudinally extending surface. The outside longitudinally extending surfaces are in optical contact with each other. The invention further provides for an amplifying optical device have an optical fibre arrangement as just described, and a pump source. The amplifying optical device is configured such that the pump source illuminates the amplifying optical fibre. A amplifying arrangement is also disclosed. The amplifying arrangement includes a plurality of amplifying optical devices as just described, and each amplifier also has at least one input fibre and a first multiplexer connected to the input fibre. Each amplifier is configured such that at least one of the amplifying optical fibres is connected to the first multiplexer. The amplifying arrangement also has a second multiplexer connected to each of the first multiplexers.
摘要翻译： 光纤装置具有至少两个光纤部分，每个光纤部分限定外部纵向延伸的表面。 外侧纵向延伸表面彼此光学接触。 本发明还提供一种具有刚刚描述的光纤装置的放大光学装置和泵浦源。 放大光学器件被配置为使得泵浦源照亮放大光纤。 还公开了一种放大装置。 放大装置包括刚刚描述的多个放大光学器件，并且每个放大器还具有连接到输入光纤的至少一个输入光纤和第一多路复用器。 每个放大器被配置为使得放大光纤中的至少一个连接到第一多路复用器。 放大装置还具有连接到每个第一多路复用器的第二多路复用器。
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