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1. 发明授权

US07760789B2 High energy solid-state laser with offset pump and extraction geometry 有权
标题翻译：具有偏移泵和提取几何形状的高能固态激光器
公开(公告)号：US07760789B2
公开(公告)日：2010-07-20
申请号：US12004193
申请日：2007-12-20
申请人： Kalin Spariosu , Alexander A. Betin
发明人： Kalin Spariosu , Alexander A. Betin
IPC分类号： H01S3/09
CPC分类号： H01S3/0941 , F41H13/00 , H01S3/0404 , H01S3/042 , H01S3/0604 , H01S3/0608 , H01S3/0612 , H01S3/0625 , H01S3/07 , H01S3/094053 , H01S3/094057 , H01S3/094084 , H01S3/102 , H01S3/1026 , H01S3/1608 , H01S3/1643
摘要： A laser system and method. The inventive laser includes an annular gain medium; a source of pump energy; and an arrangement for concentrating energy from the source on the gain medium. In a more specific implementation, a mechanism is included for rotating the gain medium to effect extraction of pump energy and cooling. In the illustrative embodiment, the pump source is a diode array. Energy from the array is coupled to the medium via an array of optical fibers. The outputs of the fibers are input to a concentrator that directs the pump energy onto a pump region of the medium. In the best mode, plural disks of gain media are arranged in an offset manner to provide a single resonator architecture. First and second mirrors are added to complete the resonator. In accordance with the inventive teachings, a method for pumping and cooling a laser is taught. In the illustrative embodiment, the inventive method includes the steps of providing a gain medium; pumping energy into a region of the gain medium; moving the medium; extracting energy from the region of the medium; and cooling region of the medium.
摘要翻译：激光系统和方法。本发明的激光器包括环形增益介质; 泵能源; 以及用于将来自源的能量集中在增益介质上的布置。在更具体的实施方案中，包括用于旋转增益介质以实现泵能量和冷却的提取的机制。在说明性实施例中，泵浦源是二极管阵列。来自阵列的能量通过光纤阵列耦合到介质。纤维的输出被输入到将泵浦能量引导到介质的泵区域上的浓缩器。在最佳模式中，增益介质的多个磁盘以偏移方式排列以提供单个谐振器结构。添加第一和第二反射镜以完成谐振器。根据本发明的教导，教导了用于泵送和冷却激光器的方法。在说明性实施例中，本发明的方法包括提供增益介质的步骤; 将能量泵入增益介质的区域; 移动媒体; 从介质区域提取能量; 和介质的冷却区域。

2. 发明申请

US20100150191A1 Solid-state suspension laser 有权
标题翻译：固态悬浮激光
公开(公告)号：US20100150191A1
公开(公告)日：2010-06-17
申请号：US12592232
申请日：2009-11-20
申请人： Alexander A. Betin , Kalin Spariosu
发明人： Alexander A. Betin , Kalin Spariosu
IPC分类号： H01S3/00
CPC分类号： H01S3/0602 , H01S3/02 , H01S3/0612 , H01S3/1603 , H01S3/169 , H01S3/20
摘要： A solid-state suspension laser. The novel laser includes a gain medium comprised of a plurality of solid-state gain particles suspended in a fluid. The laser also includes a pump source for pumping the gain particles and a resonator for amplifying and outputting laser light generated by the gain medium. In an illustrative embodiment, the gain medium is adapted to flow, and the pumping of the gain medium occurs outside of the resonator. The flow velocities and the densities of the gain particles in the gain medium can be optimized for optimal absorption efficiency during the pumping and/or for optimal extraction efficiency in the resonator as well as for overall laser performance optimization, including power, efficiency and beam quality scalability.
摘要翻译：固态悬浮激光器。新型激光器包括由悬浮在流体中的多个固态增益粒子组成的增益介质。激光器还包括用于泵浦增益粒子的泵浦源和用于放大和输出由增益介质产生的激光的谐振器。在说明性实施例中，增益介质适于流动，并且增益介质的泵浦发生在谐振器外部。可以优化增益介质中增益粒子的流速和密度，以实现在泵浦期间的最佳吸收效率和/或谐振器中的最佳提取效率以及整体激光性能优化，包括功率，效率和光束质量可扩展性。

3. 发明授权

US07742512B2 Scalable laser with robust phase locking 有权
标题翻译：具有坚固相位锁定功能的可扩展激光器
公开(公告)号：US07742512B2
公开(公告)日：2010-06-22
申请号：US10771047
申请日：2004-02-02
申请人： Kalin Spariosu , Alexander A. Betin
发明人： Kalin Spariosu , Alexander A. Betin
IPC分类号： H01S3/13 , H01S3/10 , H01S3/091 , H01S3/08
CPC分类号： H01S3/067 , H01S3/0675 , H01S3/08045 , H01S3/0805 , H01S3/09415 , H01S3/1608 , H01S3/1643 , H01S3/2383
摘要： A robust scalable laser. The laser includes plural fiber laser resonators. A cavity that is external to the fiber laser resonators combines plural laser beams output from the plural fiber laser resonators into a single output laser beam. In a specific embodiment, the plural fiber laser resonators are eye-safe double-clad Er:YAG laser resonators that are pumped via laser diode arrays.
摘要翻译：强大的可扩展激光。激光器包括多个光纤激光谐振器。在光纤激光谐振器外部的空腔将从多个光纤激光谐振器输出的多个激光束组合成单个输出激光束。在具体实施例中，多个光纤激光谐振器是通过激光二极管阵列泵浦的眼睛安全的双包层Er：YAG激光谐振器。

4. 发明申请

US20080130702A1 High energy solid-state laser with offset pump and extraction geometry 有权
标题翻译：具有偏移泵和提取几何形状的高能固态激光器
公开(公告)号：US20080130702A1
公开(公告)日：2008-06-05
申请号：US12004193
申请日：2007-12-20
申请人： Kalin Spariosu , Alexander A. Betin
发明人： Kalin Spariosu , Alexander A. Betin
IPC分类号： H01S3/06
CPC分类号： H01S3/0941 , F41H13/00 , H01S3/0404 , H01S3/042 , H01S3/0604 , H01S3/0608 , H01S3/0612 , H01S3/0625 , H01S3/07 , H01S3/094053 , H01S3/094057 , H01S3/094084 , H01S3/102 , H01S3/1026 , H01S3/1608 , H01S3/1643
摘要： A laser system and method. The inventive laser includes an annular gain medium; a source of pump energy; and an arrangement for concentrating energy from the source on the gain medium. In a more specific implementation, a mechanism is included for rotating the gain medium to effect extraction of pump energy and cooling. In the illustrative embodiment, the pump source is a diode array. Energy from the array is coupled to the medium via an array of optical fibers. The outputs of the fibers are input to a concentrator that directs the pump energy onto a pump region of the medium. In the best mode, plural disks of gain media are arranged in an offset manner to provide a single resonator architecture. First and second mirrors are added to complete the resonator. In accordance with the inventive teachings, a method for pumping and cooling a laser is taught. In the illustrative embodiment, the inventive method includes the steps of providing a gain medium; pumping energy into a region of the gain medium; moving the medium; extracting energy from the region of the medium; and cooling region of the medium.
摘要翻译：激光系统和方法。本发明的激光器包括环形增益介质; 泵能源; 以及用于将来自源的能量集中在增益介质上的布置。在更具体的实施方案中，包括用于旋转增益介质以实现泵能量和冷却的提取的机制。在说明性实施例中，泵浦源是二极管阵列。来自阵列的能量通过光纤阵列耦合到介质。纤维的输出被输入到将泵浦能量引导到介质的泵区域上的浓缩器。在最佳模式中，增益介质的多个磁盘以偏移方式排列以提供单个谐振器结构。添加第一和第二反射镜以完成谐振器。根据本发明的教导，教导了用于泵送和冷却激光器的方法。在说明性实施例中，本发明的方法包括提供增益介质的步骤; 将能量泵入增益介质的区域; 移动媒体; 从介质区域提取能量; 和介质的冷却区域。

5. 发明授权

US07346091B2 High energy solid-state laser with offset pump and extraction geometry 失效
公开(公告)号：US07346091B2
公开(公告)日：2008-03-18
申请号：US11033585
申请日：2005-01-12
申请人： Kalin Spariosu , Alexander A. Betin
发明人： Kalin Spariosu , Alexander A. Betin
IPC分类号： H01S3/091
CPC分类号： H01S3/0941 , F41H13/00 , H01S3/0404 , H01S3/042 , H01S3/0604 , H01S3/0608 , H01S3/0612 , H01S3/0625 , H01S3/07 , H01S3/094053 , H01S3/094057 , H01S3/094084 , H01S3/102 , H01S3/1026 , H01S3/1608 , H01S3/1643
摘要： A laser system and method. The inventive laser includes an annular gain medium; a source of pump energy; and an arrangement for concentrating energy from the source on the gain medium. In a more specific implementation, a mechanism is included for rotating the gain medium to effect extraction of pump energy and cooling. In the illustrative embodiment, the pump source is a diode array. Energy from the array is coupled to the medium via an array of optical fibers. The outputs of the fibers are input to a concentrator that directs the pump energy onto a pump region of the medium. In the best mode, plural disks of gain media are arranged in an offset manner to provide a single resonator architecture. First and second mirrors are added to complete the resonator. In accordance with the inventive teachings, a method for pumping and cooling a laser is taught. In the illustrative embodiment, the inventive method includes the steps of providing a gain medium; pumping energy into a region of the gain medium; moving the medium; extracting energy from the region of the medium; and cooling region of the medium.

6. 发明授权

US08050303B2 Laser based on quantum dot activated media with forster resonant energy transfer excitation 有权
标题翻译：激光基于量子点激活介质与福斯特共振能量传递激励
公开(公告)号：US08050303B2
公开(公告)日：2011-11-01
申请号：US11403090
申请日：2006-04-12
申请人： Kalin Spariosu , Alexander A. Betin , Michael LoCascio , Wei Liu
发明人： Kalin Spariosu , Alexander A. Betin , Michael LoCascio , Wei Liu
IPC分类号： H01S3/14
CPC分类号： H01S3/0915 , H01S3/0604 , H01S3/0612 , H01S3/0627 , H01S3/07 , H01S3/092 , H01S3/09403 , H01S3/102 , H01S3/1026 , H01S3/1608 , H01S3/1618 , H01S3/169 , H01S3/1691 , H01S3/17 , H01S3/178
摘要： A laser gain medium. The novel laser gain medium includes a host material, a plurality of quantum dots dispersed throughout the host material, and a plurality of laser active ions surrounding each of the quantum dots. The laser active ions are disposed in close proximity to the quantum dots such that energy absorbed by the quantum dots is non-radiatively transferred to the ions via a Forster resonant energy transfer, thereby exciting the ions to produce laser output. In an illustrative embodiment, each quantum dot is surrounded by an external shell doped with the laser active ions.
摘要翻译：激光增益介质。新型激光增益介质包括主体材料，分散在整个主体材料中的多个量子点以及围绕每个量子点的多个激光活性离子。激光有源离子靠近量子点设置，使得被量子点吸收的能量经由福斯特共振能量转移被非辐射转移到离子上，由此激发离子以产生激光输出。在说明性实施例中，每个量子点被掺杂有激光活性离子的外壳包围。

7. 发明授权

US07860142B2 Laser with spectral converter 有权
标题翻译：激光与光谱转换器
公开(公告)号：US07860142B2
公开(公告)日：2010-12-28
申请号：US11349016
申请日：2006-02-07
申请人： Kalin Spariosu , Alexander A. Betin
发明人： Kalin Spariosu , Alexander A. Betin
IPC分类号： H01S3/091
CPC分类号： H01S3/092 , B82Y20/00 , G02F1/3556 , H01S3/067 , H01S3/0915
摘要： A laser with a spectral converter. The novel laser includes a spectral converter adapted to absorb electromagnetic energy in a first frequency band and re-emit energy in a second frequency band, and a laser gain medium adapted to absorb the re-emitted energy and output laser energy. The spectral converter includes a plurality of quantum dots having an emission spectrum matching an absorption spectrum of the gain medium. In an illustrative embodiment, the spectral converter is adapted to convert broadband energy to narrowband energy, and the gain medium is a REI-doped solid-state laser gain medium.
摘要翻译：具有光谱转换器的激光器。新颖的激光器包括适于吸收第一频带中的电磁能并且在第二频带中重新发射能量的光谱转换器，以及适于吸收重新发射的能量并输出激光能量的激光增益介质。光谱转换器包括具有与增益介质的吸收光谱相匹配的发射光谱的多个量子点。在说明性实施例中，频谱转换器适于将宽带能量转换为窄带能量，并且增益介质是REI掺杂的固态激光增益介质。

8. 发明授权

US08213473B2 Laser based on quantum dot activated media 有权
标题翻译：激光基于量子点激活介质
公开(公告)号：US08213473B2
公开(公告)日：2012-07-03
申请号：US13044672
申请日：2011-03-10
申请人： Kalin Spariosu , Alexander A. Betin
发明人： Kalin Spariosu , Alexander A. Betin
IPC分类号： H01S3/16
CPC分类号： H01S3/0915 , H01S3/0604 , H01S3/0612 , H01S3/0627 , H01S3/07 , H01S3/092 , H01S3/09403 , H01S3/102 , H01S3/1026 , H01S3/1608 , H01S3/1618 , H01S3/169 , H01S3/1691 , H01S3/17 , H01S3/178
摘要： A laser gain medium and laser system include a host material, a plurality of quantum dots dispersed throughout the host material, and a plurality of laser active ions surrounding each of the quantum dots. The laser active ions are disposed in close proximity to the quantum dots such that energy absorbed by the quantum dots is transferred to the ions, thereby exciting the ions to produce laser output. In an illustrative embodiment, each quantum dot is surrounded by an external shell doped with the laser active ions.
摘要翻译：激光增益介质和激光系统包括主体材料，分散在整个主体材料中的多个量子点和围绕每个量子点的多个激光活性离子。激光活性离子设置在量子点附近，使得被量子点吸收的能量转移到离子中，从而激发离子以产生激光输出。在说明性实施例中，每个量子点被掺杂有激光活性离子的外壳包围。

9. 发明授权

US08000362B2 Solid-state suspension laser generation utilizing separate excitation and extraction 有权
标题翻译：利用单独激发和提取的固态悬浮激光产生
公开(公告)号：US08000362B2
公开(公告)日：2011-08-16
申请号：US12592232
申请日：2009-11-20
申请人： Alexander A. Betin , Kalin Spariosu
发明人： Alexander A. Betin , Kalin Spariosu
IPC分类号： H01S3/14 , H01S3/17 , H01S3/20
CPC分类号： H01S3/0602 , H01S3/02 , H01S3/0612 , H01S3/1603 , H01S3/169 , H01S3/20
摘要： A solid-state suspension laser. The novel laser includes a gain medium comprised of a plurality of solid-state gain particles suspended in a fluid. The laser also includes a pump source for pumping the gain particles and a resonator for amplifying and outputting laser light generated by the gain medium. In an illustrative embodiment, the gain medium is adapted to flow, and the pumping of the gain medium occurs outside of the resonator. The flow velocities and the densities of the gain particles in the gain medium can be optimized for optimal absorption efficiency during the pumping and/or for optimal extraction efficiency in the resonator as well as for overall laser performance optimization, including power, efficiency and beam quality scalability.
摘要翻译：固态悬浮激光器。新型激光器包括由悬浮在流体中的多个固态增益粒子组成的增益介质。激光器还包括用于泵浦增益粒子的泵浦源和用于放大和输出由增益介质产生的激光的谐振器。在说明性实施例中，增益介质适于流动，并且增益介质的泵浦发生在谐振器外部。可以优化增益介质中增益粒子的流速和密度，以便在泵浦期间实现最佳吸收效率和/或谐振器中的最佳提取效率以及整体激光性能优化，包括功率，效率和光束质量可扩展性。

10. 发明授权

US07889767B2 Self-coherent combining technique for high power laser implementation and method 有权
标题翻译：大功率激光实现的自相干组合技术及方法
公开(公告)号：US07889767B2
公开(公告)日：2011-02-15
申请号：US10964383
申请日：2004-10-13
申请人： Alexander A. Betin , Kalin Spariosu
发明人： Alexander A. Betin , Kalin Spariosu
IPC分类号： H01S3/30
CPC分类号： H01S3/067 , H01S3/07 , H01S3/082 , H01S3/10092 , H01S3/2383
摘要： An optical arrangement comprising first and second guided structures for providing first and second beams of electromagnetic energy and a node for coherently combining said first and second beams in free space, that is, with an unguided structure. In the illustrative embodiment, the first and second structures are first and second fiber oscillators. The first and second fiber oscillators may be of unequal lengths. The node may be implemented with a polarizing beam splitter or a semi-reflective surface. Beam shaping optics are included in the node to collimate the first and second beams and provide a flat profile mode thereof. The outputs of plural first and second fiber oscillators are combined via plural nodes to provide a single high energy output beam. Amplifying elements may be disposed between nodes. The plural nodes may be disposed in a single integrated structure along with an outcoupler mirror to coherently phase lock the outputs of the plural oscillators.
摘要翻译：一种光学装置，包括用于提供第一和第二电磁能束的第一和第二引导结构，以及用于在自由空间，即非导向结构中相干地组合所述第一和第二光束的节点。在说明性实施例中，第一和第二结构是第一和第二光纤振荡器。第一和第二光纤振荡器可以具有不等长度。节点可以用偏振分束器或半反射表面来实现。光束成形光学器件包括在节点中以准直第一和第二光束并提供其平坦轮廓模式。多个第一和第二光纤振荡器的输出通过多个节点组合以提供单个高能量输出光束。放大元件可以设置在节点之间。多个节点可以与输出耦合器镜一起设置在单个集成结构中，以相位锁定多个振荡器的输出。

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