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1. 发明公开

EP2945233A8 WAVELENGTH STABILIZATION AND LINEWIDTH NARROWING FOR SINGLE MODE AND MULTIMODE LASER DIODES 审中-公开
标题翻译：波长稳定和线宽还原单一和多模激光二极管
公开(公告)号：EP2945233A8
公开(公告)日：2016-01-13
申请号：EP15001413.2
申请日：2015-05-12
申请人： V-GEN LTD.
发明人： Inbar, Eran
IPC分类号： H01S5/14 , H01S5/065 , H01S5/40 , H01S5/00
CPC分类号： H01S5/068 , G02B6/02076 , G02B6/2804 , G02B6/29389 , H01S5/0064 , H01S5/0653 , H01S5/0654 , H01S5/0656 , H01S5/141 , H01S5/146 , H01S5/4006 , H01S5/4012 , H01S5/4025 , H01S2301/16 , H01S2301/163
摘要： System for wavelength stabilization in a multimode (MM) laser diode (LD), including at least one MM LD, a respective at least one MM 2X2 beam splitter for each MM LD, an isolator and at least one LD, the LD being respectively coupled with the isolator, the MM LD for generating high power MM laser light, the isolator for enabling laser light to pass through in only one direction and the LD for generating low power laser light, each respective MM 2X2 beam splitter including four ports, each respective MM 2X2 beam splitter having a highly asymmetric splitting ratio and for splitting the generated high power MM laser light and the generated low power laser light, each MM LD being respectively coupled with the fourth port of each respective MM 2X2 beam splitter and a wavelength of the high power laser light locking onto a wavelength of the low power laser light.

2. 发明公开

EP2945233A3 WAVELENGTH STABILIZATION AND LINEWIDTH NARROWING FOR SINGLE MODE AND MULTIMODE LASER DIODES 审中-公开
标题翻译：波长稳定和线宽还原单一和多模激光二极管
公开(公告)号：EP2945233A3
公开(公告)日：2015-12-23
申请号：EP15001413.2
申请日：2015-05-12
申请人： V-GEN LTD.
发明人： Inbar, Eran
IPC分类号： H01S5/14 , H01S5/065 , H01S5/40 , H01S5/00
CPC分类号： H01S5/068 , G02B6/02076 , G02B6/2804 , G02B6/29389 , H01S5/0064 , H01S5/0653 , H01S5/0654 , H01S5/0656 , H01S5/141 , H01S5/146 , H01S5/4006 , H01S5/4012 , H01S5/4025 , H01S2301/16 , H01S2301/163
摘要： System for wavelength stabilization in a multimode (MM) laser diode (LD), including at least one MM LD, a respective at least one MM 2X2 beam splitter for each MM LD, an isolator and at least one LD, the LD being respectively coupled with the isolator, the MM LD for generating high power MM laser light, the isolator for enabling laser light to pass through in only one direction and the LD for generating low power laser light, each respective MM 2X2 beam splitter including four ports, each respective MM 2X2 beam splitter having a highly asymmetric splitting ratio and for splitting the generated high power MM laser light and the generated low power laser light, each MM LD being respectively coupled with the fourth port of each respective MM 2X2 beam splitter and a wavelength of the high power laser light locking onto a wavelength of the low power laser light.

3. 发明公开

EP2916400A3 HYBRID ISOLATOR AND MODE EXPANDER FOR FIBER LASER AMPLIFIERS 有权
标题翻译： HYBRID隔离器和MODENVERGRÖSSERERFOR光纤激光放大器
公开(公告)号：EP2916400A3
公开(公告)日：2015-10-07
申请号：EP15000600.5
申请日：2015-03-03
申请人： V-GEN LTD.
发明人： Barness, Doron , Rowen, Eitan Emanuel , Lasri, Jacob , Inbar, Eran , Tal, Eran
IPC分类号： H01S3/067 , H01S3/00 , G02F1/09 , H01S3/094 , H01S3/0941
CPC分类号： H01S3/0064 , G02B6/14 , G02B6/2746 , H01S3/06704 , H01S3/06754 , H01S3/06758 , H01S3/094003 , H01S3/09415
摘要： Mode expander isolator (124) for a fiber laser amplifier comprising an optical fiber input (158), an optical fiber output (160), an isolator (154) and at least one lens (156A,B), the optical fiber input for coupling a first optical fiber with the mode expander isolator, the optical fiber output for coupling a second optical fiber with the mode expander isolator, the isolator (154) being positioned between the optical fiber input and the optical fiber output for preventing back-reflected laser light (174) from reaching the optical fiber input (158) and wherein the isolator and the at least one lens form a free space mode expander (124). The laser may include a seeder (106, a first fiber amplifier (110) pumped by a laser diode(108), the mode expander isolator (124) and a second fiber amplifier (116) pumped by a laser diode (112), the mode expander isolator preventing back-reflected light from the second fiber amplifier to reach the first fiber amplifier.

4. 发明公开

EP2374188A1 GAIN-SWITCHED FIBER LASER 审中-公开
标题翻译： GAIN光纤激光器
公开(公告)号：EP2374188A1
公开(公告)日：2011-10-12
申请号：EP09797190.7
申请日：2009-12-02
申请人： V-GEN LTD.
发明人： INBAR, Eran , KATZ, Michael
IPC分类号： H01S3/067 , H01S3/0941 , H01S3/102 , H01S3/094 , H01S3/113
CPC分类号： H01S3/09415 , H01S3/06712 , H01S3/0675 , H01S3/06791 , H01S3/094007 , H01S3/094076 , H01S3/09408 , H01S3/1022 , H01S3/1024 , H01S3/113 , H01S3/1618
摘要： Pulsed fiber laser including an electronic driver, a laser diode and a laser cavity, the laser cavity including a combiner, a doped optical fiber and a coupler, the laser diode being coupled with the electronic driver, the combiner being coupled with the laser diode, the doped optical fiber being coupled with the combiner, and the coupler being coupled with the doped optical fiber and the combiner, the electronic driver for providing a drive current, the laser diode for generating a pump pulse, the doped optical fiber for absorbing the pump pulse and for generating a circulating laser pulse, the coupler for outputting a first portion of the circulating laser pulse and for returning a second portion of the circulating laser pulse to the combiner, wherein the electronic driver operating the laser diode at a specific pump pulse repetition rate (PRR), a specific pump pulse shape and a specific pump pulse width and wherein the combiner providing the pump pulse and the second portion of the circulating laser pulse to the doped optical fiber.

5. 发明授权

EP2916400B1 HYBRID ISOLATOR AND MODE EXPANDER FOR FIBER LASER AMPLIFIERS 有权
公开(公告)号：EP2916400B1
公开(公告)日：2023-07-19
申请号：EP15000600.5
申请日：2015-03-03
发明人： Barness, Doron , Rowen, Eitan Emanuel , Lasri, Jacob , Inbar, Eran
IPC分类号： H01S3/067 , H01S3/00 , G02F1/09 , H01S3/094 , H01S3/0941

6. 发明授权

EP2916399B1 ARBITRARY PULSE SHAPING IN HIGH PEAK POWER FIBER LASERS 有权
公开(公告)号：EP2916399B1
公开(公告)日：2021-09-15
申请号：EP15000599.9
申请日：2015-03-03
发明人： BARNESS, Doron , ROWEN, Eitan Emanuel , LASRI, Jacob , INBAR, Eran , TAL, Eran
IPC分类号： H01S3/067 , H01S3/00

7. 发明公开

EP2945233A2 WAVELENGTH STABILIZATION AND LINEWIDTH NARROWING FOR SINGLE MODE AND MULTIMODE LASER DIODES 审中-公开
标题翻译： WENENLÄNGENSTABILISIERUNGUND LINIENBREITENVERKLEINERUNGFÜREINZEL- UND MEHRFACHMODUSLASERDIODEN
公开(公告)号：EP2945233A2
公开(公告)日：2015-11-18
申请号：EP15001413.2
申请日：2015-05-12
申请人： V-GEN LTD.
发明人： Inbar, Eran
IPC分类号： H01S5/14 , H01S5/065 , H01S5/40
CPC分类号： H01S5/068 , G02B6/02076 , G02B6/2804 , G02B6/29389 , H01S5/0064 , H01S5/0653 , H01S5/0654 , H01S5/0656 , H01S5/141 , H01S5/146 , H01S5/4006 , H01S5/4012 , H01S5/4025 , H01S2301/16 , H01S2301/163
摘要： System for wavelength stabilization in a multimode (MM) laser diode (LD), including at least one MM LD, a respective at least one MM 2X2 beam splitter for each MM LD, an isolator and at least one LD, the LD being respectively coupled with the isolator, the MM LD for generating high power MM laser light, the isolator for enabling laser light to pass through in only one direction and the LD for generating low power laser light, each respective MM 2X2 beam splitter including four ports, each respective MM 2X2 beam splitter having a highly asymmetric splitting ratio and for splitting the generated high power MM laser light and the generated low power laser light, each MM LD being respectively coupled with the fourth port of each respective MM 2X2 beam splitter and a wavelength of the high power laser light locking onto a wavelength of the low power laser light.
摘要翻译：用于多模（MM）激光二极管（LD）中的波长稳定的系统，包括至少一个MM LD，用于每个MM LD的相应的至少一个MM 2X2分束器，隔离器和至少一个LD，所述LD分别耦合隔离器，用于产生大功率MM激光的MM LD，用于使激光仅在一个方向上通过的隔离器和用于产生低功率激光的LD，每个相应的MM 2X2分束器包括四个端口，每个相应的 MM 2X2分束器具有非常不对称的分裂比，并且用于分离所产生的高功率MM激光和产生的低功率激光，每个MM LD分别与每个相应的MM 2X2分束器的第四端口耦合，大功率激光锁定在低功率激光的波长上。

8. 发明公开

EP2916400A2 HYBRID ISOLATOR AND MODE EXPANDER FOR FIBER LASER AMPLIFIERS 有权
标题翻译：混合动力车模拟机FÜRFASERLASERVERSTÄRKER
公开(公告)号：EP2916400A2
公开(公告)日：2015-09-09
申请号：EP15000600.5
申请日：2015-03-03
申请人： V-GEN LTD.
发明人： Barness, Doron , Rowen, Eitan Emanuel , Lasri, Jacob , Inbar, Eran , Tal, Eran
IPC分类号： H01S3/067 , H01S3/00 , H01S3/094 , H01S3/0941
CPC分类号： H01S3/0064 , G02B6/14 , G02B6/2746 , H01S3/06704 , H01S3/06754 , H01S3/06758 , H01S3/094003 , H01S3/09415
摘要： Mode expander isolator (124) for a fiber laser amplifier comprising an optical fiber input (158), an optical fiber output (160), an isolator (154) and at least one lens (156A,B), the optical fiber input for coupling a first optical fiber with the mode expander isolator, the optical fiber output for coupling a second optical fiber with the mode expander isolator, the isolator (154) being positioned between the optical fiber input and the optical fiber output for preventing back-reflected laser light (174) from reaching the optical fiber input (158) and wherein the isolator and the at least one lens form a free space mode expander (124). The laser may include a seeder (106, a first fiber amplifier (110) pumped by a laser diode(108), the mode expander isolator (124) and a second fiber amplifier (116) pumped by a laser diode (112), the mode expander isolator preventing back-reflected light from the second fiber amplifier to reach the first fiber amplifier.
摘要翻译：用于光纤激光放大器的模式扩展器隔离器（124），包括光纤输入（158），光纤输出（160），隔离器（154）和至少一个透镜（156A，B），用于耦合的光纤输入具有模式扩展器隔离器的第一光纤，用于将第二光纤与模式扩展器隔离器耦合的光纤输出，隔离器（154）位于光纤输入端和光纤输出端之间，用于防止背反射激光（174）到达光纤输入端（158），并且其中隔离器和至少一个透镜形成自由空间模式扩展器（124）。激光器可以包括播种机（106），由激光二极管（108）泵浦的第一光纤放大器（110），模式扩展器隔离器（124）和由激光二极管（112）泵浦的第二光纤放大器（116）模式扩展器隔离器防止来自第二光纤放大器的反射光到达第一光纤放大器。

9. 发明授权

EP2853008B1 GENERATION OF NARROW LINE WIDTH HIGH POWER OPTICAL PULSES 有权
公开(公告)号：EP2853008B1
公开(公告)日：2020-04-01
申请号：EP13736644.9
申请日：2013-05-20
申请人： V-GEN LTD. , Rowen, Eitan Emanuel
发明人： ROWEN, Eitan, Emanuel , LASRI, Jacob , INBAR, Eran
IPC分类号： H01S3/16 , H01S3/30 , H01S3/067 , H01S3/23

10. 发明公开

EP2853008A1 GENERATION OF NARROW LINE WIDTH HIGH POWER OPTICAL PULSES 有权
标题翻译：代光电HIGH政绩冲动窄线宽
公开(公告)号：EP2853008A1
公开(公告)日：2015-04-01
申请号：EP13736644.9
申请日：2013-05-20
申请人： V-GEN LTD. , Rowen, Eitan Emanuel
发明人： ROWEN, Eitan, Emanuel , LASRI, Jacob , INBAR, Eran
IPC分类号： H01S3/16 , H01S3/30 , H01S3/067 , H01S3/23
摘要： Narrow line width, high power pulses of optical radiation may be generated by the combination of stimulated emission and stimulated Raman scattering within a rare earth doped optical fibre (24b). The signals of a first (11) and second (13) seed laser sources are coupled into the fiber. The radiation of the pulsed first seed laser source (11) is amplified by stimulated emission of the rare earth ions so that the threshold for stimulated Raman scattering into the mode of the second seed laser source 13 is exceeded, and efficient SRS transfers nearly all the power into the mode seeded by the second seed laser source (13).

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