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公开(公告)号：US20240036255A1
公开(公告)日：2024-02-01
申请号：US17936114
申请日：2022-09-28
发明人： Ning LIU , Jeff GREGG , Gongwen ZHU , Xiang PENG , Guan SUN , Matthew KUTSURIS
CPC分类号： G02B6/2552 , H01S3/094053 , G02B6/04
摘要： A system may perform an uptapering process to cause a signal fiber to have a fiber core with a first uptapered thickness profile and a fiber cladding with a second uptapered thickness profile. The system may perform, after performing the uptapering process, an uptapering removal process to cause the fiber cladding of the signal fiber to not have the second uptapered thickness profile. The system may perform, after performing the uptapering removal process, a bundling process to bundle the signal fiber and a set of one or more pump fibers in a bundle configuration. The system may perform, after performing the bundling process, a bundle unification process to cause the bundle configuration to form a unified bundle configuration. The system may perform, after performing the bundle unification process, an attachment process to cause an end of the unified bundle configuration to attach to an end of an output fiber.
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公开(公告)号：US20230358963A1
公开(公告)日：2023-11-09
申请号：US17817762
申请日：2022-08-05
发明人： Gongwen ZHU , Guan SUN , Xiang PENG
IPC分类号： G02B6/28
CPC分类号： G02B6/2804
摘要： A fiber combiner includes a capillary and a plurality of input fibers disposed within the capillary. A first portion of the capillary has a first non-zero slope profile along a first portion of an output end of the fiber combiner. A second portion of the capillary has a second non-zero slope profile along a second portion of the output end of the fiber combiner. The second non-zero slope profile is different than the first non-zero slope profile.
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公开(公告)号：US20240347997A1
公开(公告)日：2024-10-17
申请号：US18330656
申请日：2023-06-07
发明人： Ning LIU , Guan SUN , Matthew KUTSURIS , Gongwen ZHU
CPC分类号： H01S3/06733 , H01S3/0675 , H01S3/094007 , H01S3/1603 , H01S3/2308
摘要： A master oscillator power amplifier system includes a seed laser oscillator and a master laser oscillator. The seed laser oscillator includes a first oscillator fiber with a first laser cavity configured to convert a first pump light into a first seed laser light in a fundamental mode as the first pump light interacts with a fiber core of the first oscillator fiber. The master laser oscillator includes a second oscillator fiber with second laser cavity configured to receive and convert the first seed laser light into a second seed laser light in the fundamental mode as the first seed laser light interacts with a fiber core of the second oscillator fiber, and receive and convert a second pump light into a primary laser light in the fundamental mode as the second pump light interacts with the fiber core of the second oscillator fiber.
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公开(公告)号：US20240250493A1
公开(公告)日：2024-07-25
申请号：US18193195
申请日：2023-03-30
发明人： Gongwen ZHU , Matthew KUTSURIS , Guan SUN , Ning LIU
IPC分类号： H01S3/094 , G02B6/42 , H01S3/0941 , H01S3/23
CPC分类号： H01S3/094053 , G02B6/4202 , G02B6/4262 , H01S3/094007 , H01S3/094011 , H01S3/09415 , H01S3/2308 , H01S3/067
摘要： In some implementations, a pump-signal combiner may comprise a plurality of pump fibers configured to receive pump light and to transmit the pump light into a cladding of an output fiber and one or more signal fibers, surrounded by the plurality of pump fibers. In some implementations, the one or more signal fibers may each comprise an input section, coupled to the one or more first laser sources, having an input core diameter; an output section, coupled to the output fiber, having an output core diameter; a first tapered section, adjacent to the input section, in which a core diameter increases from the input core diameter to a maximum value; and a second tapered section, adjacent to the output section, in which a core diameter decreases from the maximum value to the output core diameter.
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公开(公告)号：US20230161099A1
公开(公告)日：2023-05-25
申请号：US17649635
申请日：2022-02-01
发明人： Gongwen ZHU , Guan SUN
CPC分类号： G02B6/02004 , G02B6/036 , G02B6/02376 , H01S3/094007
摘要： As described herein, a mode field adapter (MFA) comprises a first fiber including a core associated with a fundamental mode field diameter and a cladding with a diameter that decreases toward a waist. The MFA comprises a second fiber including a core associated with a fundamental mode field diameter that matches the fundamental mode field of the first fiber at the waist and a cladding with a diameter that matches the diameter of the cladding of the first fiber at the waist and increases from the waist of the second fiber. The cladding of the first fiber may be adiabatically etched such that a core-to-cladding ratio of the first fiber changes over a length of the first fiber, and the core and the cladding of the second fiber may be adiabatically tapered such that a core-to-cladding ratio of the second fiber is constant over a length of the second fiber.
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