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1. 发明申请

US20160164243A1 Multipass fiber amplifiers 有权
公开(公告)号：US20160164243A1
公开(公告)日：2016-06-09
申请号：US13999936
申请日：2014-04-04
申请人： Advanced Optowave Corporation
发明人： Xiaojie Zhao , Chun He
IPC分类号： H01S3/067 , G02B5/30 , H01S3/10 , G02B27/28 , H01S3/00 , H01S3/094
CPC分类号： H01S3/06787 , G02B5/3083 , G02B27/283 , G02B27/286 , H01S3/0078 , H01S3/06712 , H01S3/094003 , H01S3/10023 , H01S3/2333 , H01S2301/02
摘要： An apparatus and method for multipass fiber amplifier comprises: (a) first passing a laser beam having a first linear polarization in the fiber amplifier in a first direction, (b) rotating the first linear polarization of the laser beam to a second linear polarization, the second linear polarization is perpendicular to the first linear polarization, (c) second passing the laser beam having the second linear polarization in the fiber amplifier in a second direction, the second direction is opposite to the first direction, (d) third passing the laser beam having the second linear polarization in the fiber amplifier in the first direction, the laser beam having the second linear polarization is reflected by a polarization separating device and a mirror, (e) rotating the second linear polarization of the laser beam to the first linear polarization, and (f) fourth passing the laser beam having the first linear polarization in the fiber amplifier in the second direction.

2. 发明授权

US10566758B2 Fiber laser oscillator having thin filter reflector 有权
公开(公告)号：US10566758B2
公开(公告)日：2020-02-18
申请号：US14756849
申请日：2015-10-21
申请人： Advanced Optoware Corporation
发明人： Chun He , Xiaojie Zhao
IPC分类号： H01S3/067 , H01S3/00 , H01S3/0941 , H01S3/08 , H01S3/094 , H01S3/11
摘要： A fiber laser oscillator comprises an active fiber for providing a lasing light having a selected wavelength band, a saturable absorber assembly coupled to a first end of the active fiber, a pump source for providing a pump light having wavelengths except the selected wavelength band, an optical component coupled to the second end of the active fiber and the pump source. The optical component comprises a thin film filter for transmitting the lasing light for a first time and reflecting the pump light and a reflector for reflecting the lasing light transmitted for the first time through the thin film filter. The lasing light reflected by the reflector transmits through the thin film filter for a second time and overlaps with the pump light reflected by the thin film filter.

3. 发明授权

US09748725B2 Multipass fiber amplifiers 有权
公开(公告)号：US09748725B2
公开(公告)日：2017-08-29
申请号：US15530060
申请日：2016-11-29
申请人： Advanced Optowave Corporation
发明人： Xiaojie Zhao , Chun He
IPC分类号： H01S3/067 , H01S3/23 , G02B27/28 , H01S3/00 , H01S3/094 , G02B5/30 , H01S3/10
CPC分类号： H01S3/06754 , G02B5/3083 , G02B27/283 , G02B27/286 , H01S3/0078 , H01S3/06712 , H01S3/06787 , H01S3/094003 , H01S3/094053 , H01S3/10023 , H01S3/2333 , H01S3/2341 , H01S2301/02
摘要： A multipass fiber amplifier comprises a micro-optic-module polarization separating device including a first ASE blocking device, a micro-optic-module 90° polarization rotating reflector including a second ASE blocking device, a pump source for providing pump light; a micro-optic-module wavelength-division multiplexer (WDM) for combining the pump light and the laser beam; and a gain fiber having a first end and a second end for amplifying the laser beam using the pump light, where the first ASE blocking device is coupled to the first end of the gain fiber and the second ASE blocking device is coupled to the second end of the gain fiber.

4. 发明授权

US09531149B2 Multipass fiber amplifiers 有权
标题翻译：多通道光纤放大器
公开(公告)号：US09531149B2
公开(公告)日：2016-12-27
申请号：US13999936
申请日：2014-04-04
申请人： Advanced Optowave Corporation
发明人： Xiaojie Zhao , Chun He
IPC分类号： H01S3/067 , G02B27/28 , H01S3/10 , H01S3/00 , H01S3/094 , G02B5/30
CPC分类号： H01S3/06787 , G02B5/3083 , G02B27/283 , G02B27/286 , H01S3/0078 , H01S3/06712 , H01S3/094003 , H01S3/10023 , H01S3/2333 , H01S2301/02
摘要： An apparatus and method for multipass fiber amplifier comprises: (a) first passing a laser beam having a first linear polarization in the fiber amplifier in a first direction, (b) rotating the first linear polarization of the laser beam to a second linear polarization, the second linear polarization is perpendicular to the first linear polarization, (c) second passing the laser beam having the second linear polarization in the fiber amplifier in a second direction, the second direction is opposite to the first direction, (d) third passing the laser beam having the second linear polarization in the fiber amplifier in the first direction, the laser beam having the second linear polarization is reflected by a polarization separating device and a mirror, (e) rotating the second linear polarization of the laser beam to the first linear polarization, and (f) fourth passing the laser beam having the first linear polarization in the fiber amplifier in the second direction.
摘要翻译：一种用于多通道光纤放大器的装置和方法，包括：（a）首先在光纤放大器中沿第一方向通过具有第一线性偏振的激光束，（b）将激光束的第一线性偏振旋转到第二线性偏振，所述第二线性偏振垂直于所述第一线性偏振，（c）在所述光纤放大器中沿着第二方向将所述具有所述第二线偏振光的激光束第二通过，所述第二方向与所述第一方向相反，（d）具有第一方向的光纤放大器中具有第二线性偏振的激光束，具有第二线性偏振的激光束被偏振分离装置和反射镜反射，（e）将激光束的第二线性偏振旋转到第一线性偏振，以及（f）在第二方向上将光纤放大器中具有第一线性偏振的激光束第四通过。

5. 发明授权

US10175424B2 Multiple channel fiber pigtailed acousto-optic device and the method of making the same 有权
公开(公告)号：US10175424B2
公开(公告)日：2019-01-08
申请号：US14999588
申请日：2016-05-31
申请人： Advanced Optowave Corporation
发明人： Chun He , Xiaojie Zhao
IPC分类号： G02B6/28 , G02B6/32 , G02F1/11
摘要： A multiple channel fiber pigtailed acousto-optic (AO) device comprises: a first multiple fiber collimator pigtail comprising a plurality of input fibers, a second multiple fiber collimator pigtail comprising a plurality of output fibers, wherein each of the plurality of output fibers is a conjugate of each of the plurality of input fibers, respectively, and an acousto-optic modulator (AOM) disposed between the first multiple fiber collimator pigtail and the second multiple fiber collimator pigtail, wherein the input fibers form input ports providing input beams to the AOM and the output fibers form output ports receiving output beams from the AOM, wherein at least one output fiber of the plurality of output fibers is coupled to an input fiber of the plurality of input fibers.

6. 发明授权

US09728932B2 Fiber coupled modular laser system 有权
公开(公告)号：US09728932B2
公开(公告)日：2017-08-08
申请号：US14545033
申请日：2015-03-18
申请人： Advanced Optowave Corporation
发明人： Xiaojie Zhao , Chun He
IPC分类号： H01S3/23 , H01S3/067 , H01S3/0941 , H01S3/113 , H01S3/06
CPC分类号： H01S3/2375 , H01S3/0602 , H01S3/0675 , H01S3/06754 , H01S3/06758 , H01S3/09415 , H01S3/113 , H01S3/2341
摘要： A fiber coupled modular laser system comprises a laser oscillator, at least one fiber pre-amplifier, and at least one free space solid state power amplifier. The output of the laser oscillator is fiber coupled with the input of the at least one fiber pre-amplifier or the at least one free space solid state power amplifier. The output or the input of the at least one fiber pre-amplifier is fiber coupled with the input or the output of the at least one free space solid state power amplifier.

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