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1. 发明申请

US20160226211A1 LASER 有权
标题翻译：激光
公开(公告)号：US20160226211A1
公开(公告)日：2016-08-04
申请号：US15008924
申请日：2016-01-28
申请人： Laser Quantum Ltd
发明人： Alan Cox , Jean-Charles Cotteverte
IPC分类号： H01S3/08 , H01S3/06
CPC分类号： H01S3/08072 , H01S3/0602 , H01S3/07 , H01S3/08045 , H01S3/0817 , H01S3/09415 , H01S3/1022
摘要： A laser comprises a first end mirror and a second end mirror defining an optical cavity therebetween, a first gain medium and a second gain medium positioned in the optical cavity, at least one radiation source configured to provide pump radiation to the first and second gain media, wherein the pump radiation comprises a first pump beam directed to be incident on the first gain medium and a second pump beam directed to be incident on the second gain medium so as to stimulate emission of radiation from the first and second gain media thereby establishing a laser beam in the optical cavity and a control apparatus operable to adjust a property of at least one of the first and second pump beams and thereby control a thermal lens of at least one of the first and second gain media so as to substantially remove an instability zone from the power curve of the laser.
摘要翻译：激光器包括在其间限定光腔的第一端镜和第二端镜，位于光腔中的第一增益介质和第二增益介质，配置成向第一和第二增益介质提供泵浦辐射的至少一个辐射源，其中所述泵浦辐射包括指向入射在所述第一增益介质上的第一泵浦光束和指向入射在所述第二增益介质上的第二泵浦光束，以便刺激来自所述第一和第二增益介质的辐射的发射，从而建立光学腔中的激光束和可操作以调节第一和第二泵浦光束中的至少一个的特性的控制装置，从而控制第一和第二增益介质中的至少一个的热透镜，以便基本上消除不稳定性区域从激光的功率曲线。

2. 发明授权

US09768579B2 Laser 有权
公开(公告)号：US09768579B2
公开(公告)日：2017-09-19
申请号：US15008924
申请日：2016-01-28
申请人： Laser Quantum Ltd
发明人： Alan Cox , Jean-Charles Cotteverte
IPC分类号： H01S3/08 , H01S3/06 , H01S3/07 , H01S3/102 , H01S3/081 , H01S3/0941
CPC分类号： H01S3/08072 , H01S3/0602 , H01S3/07 , H01S3/08045 , H01S3/0817 , H01S3/09415 , H01S3/1022
摘要： A laser comprises a first end mirror and a second end mirror defining an optical cavity therebetween, a first gain medium and a second gain medium positioned in the optical cavity, at least one radiation source configured to provide pump radiation to the first and second gain media, wherein the pump radiation comprises a first pump beam directed to be incident on the first gain medium and a second pump beam directed to be incident on the second gain medium so as to stimulate emission of radiation from the first and second gain media thereby establishing a laser beam in the optical cavity and a control apparatus operable to adjust a property of at least one of the first and second pump beams and thereby control a thermal lens of at least one of the first and second gain media so as to substantially remove an instability zone from the power curve of the laser.

3. 发明授权

US09720242B2 Laser system with partial reflector 有权
公开(公告)号：US09720242B2
公开(公告)日：2017-08-01
申请号：US14809931
申请日：2015-07-27
申请人： Laser Quantum Ltd
发明人： Alan Cox , Jean-Charles Cotteverte
IPC分类号： G02B27/10 , G02B27/14 , H01S3/00 , G02B27/28 , H01S3/13
CPC分类号： G02B27/108 , G02B27/283 , H01S3/005 , H01S3/1306
摘要： A laser system comprising a laser configured to emit a laser beam wherein the laser beam is linearly polarized in a polarization plane and an optical assembly comprising a partial reflector having a refractive index and comprising a partially reflective surface. The partially reflective surface is arranged to receive the laser beam at an angle of incidence which lies in a plane of incidence and reflect a portion of the laser beam such that the reflected portion is output from the optical assembly. The partially reflective surface is arranged such that the plane of incidence forms a polarization angle with the polarization plane of the laser beam and the laser beam includes a p-polarized component and an s-polarized component. The angle of incidence and the polarization angle are arranged such that a fraction of the laser beam which is output from the optical assembly, following reflection from the partially reflective surface, is substantially invariant with changes in at least one of the temperature of the partial reflector and a thickness of a contamination layer disposed on the partially reflective surface. The partially reflective surface is arranged to reflect a fraction of the laser beam which is greater than or equal to approximately 0.5% of the laser beam which is incident on the partially reflective surface.

4. 发明申请

US20160033775A1 LASER SYSTEM 有权
标题翻译：激光系统
公开(公告)号：US20160033775A1
公开(公告)日：2016-02-04
申请号：US14809931
申请日：2015-07-27
申请人： Laser Quantum Ltd
发明人： Alan Cox , Jean-Charles Cotteverte
IPC分类号： G02B27/10 , G02B27/14 , G02B5/30 , H01S3/00
CPC分类号： G02B27/108 , G02B27/283 , H01S3/005 , H01S3/1306
摘要： A laser system comprising a laser configured to emit a laser beam wherein the laser beam is linearly polarised in a polarisation plane and an optical assembly comprising a partial reflector having a refractive index and comprising a partially reflective surface. The partially reflective surface is arranged to receive the laser beam at an angle of incidence which lies in a plane of incidence and reflect a portion of the laser beam such that the reflected portion is output from the optical assembly. The partially reflective surface is arranged such that the plane of incidence forms a polarisation angle with the polarisation plane of the laser beam and the laser beam includes a p-polarised component and an s-polarised component. The angle of incidence and the polarisation angle are arranged such that a fraction of the laser beam which is output from the optical assembly, following reflection from the partially reflective surface, is substantially invariant with changes in at least one of the temperature of the partial reflector and a thickness of a contamination layer disposed on the partially reflective surface. The partially reflective surface is arranged to reflect a fraction of the laser beam which is greater than or equal to approximately 0.5% of the laser beam which is incident on the partially reflective surface.
摘要翻译：一种激光系统，包括被配置为发射激光束的激光器，其中所述激光束在偏振平面中线性偏振，以及包括具有折射率并包括部分反射表面的部分反射体的光学组件。部分反射表面布置成以入射角接收激光束，并且反射激光束的一部分，使得反射部分从光学组件输出。所述部分反射面被布置成使得所述入射平面与激光束的偏振面形成偏振角，并且所述激光束包括p偏振分量和s偏振分量。入射角和偏振角被布置成使得在从部分反射表面反射之后从光学组件输出的激光束的一部分基本上不变，其中部分反射器的至少一个温度以及设置在部分反射表面上的污染层的厚度。部分反射表面被布置成反射大于或等于入射在部分反射表面上的激光束的大约0.5％的激光束的一部分。

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