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1. 发明公开

EP1010221A4 INTRA-CAVITY AND INTER-CAVITY HARMONICS GENERATION IN HIGH POWER LASERS 失效
标题翻译： ER UNG ON EN N N N N N N N N N N N N N N N N N N N N N N
公开(公告)号：EP1010221A4
公开(公告)日：2005-11-30
申请号：EP98923476
申请日：1998-05-14
申请人： EXCEL QUANTRONIX CORP
发明人： ZHOU FUZHENG , FU QIANG , MAIKOWSKI MICHAEL
IPC分类号： G02F1/37 , G02F1/35 , H01S3/109 , H01S3/10
CPC分类号： H01S3/109 , G02F2001/354 , G02F2001/3542
摘要： Intra-cavity and/or inter-cavity sub-resonators (10, 20, 22, 50, 52, 32, 54) with dielectric coated mirrors (10, 50, 52, 54) have anti-reflection and high-reflection coatings to attain high efficiency third (32) and higher order harmonics generation of laser radiation. Main-resonators and sub-resonators enhance the fundamental and harmonic oscillation, respectively, which result is high conversion efficiency of third harmonics (32) and higer, such improved lasing efficiency may be implemented in higher power lasers for improved power performance to attain over 8 W of UV output power with a high repetition rate. The use of intra-cavity THG techniques provide high efficiency by using existing high intensities of the input fundamental frequencies available in the intra-cavity region of the laser to avoid damage to components of the laser, such as the laser crystal. The THG utilizes a double-pass and/or multi-pass arrangement, which results in about a 60 % increase in output power compared to a single pass configuration. Also, blocking of UV energy generated in a return pass is performed to eliminate damage by the UV to components in the main cavity.
摘要翻译：具有介电涂层镜的腔内和/或腔间次谐振器具有抗反射和高反射涂层，以实现激光辐射的高效率三次谐波和高次谐波产生。主谐振器和副谐振器分别增强了基波和谐波振荡，导致三次谐波的高转换效率和更高的谐波振荡。这种改进的激光效率可以在高功率激光器中实现，以改善功率性能，以获得具有高重复率的超过8W的UV输出功率。腔内THG技术的使用通过使用激光器的腔内区域内可用的输入基频的现有高强度来避免对诸如激光晶体的激光器的部件的损坏而提供高效率。 THG采用双通和/或多通道布置，与单通配置相比，输出功率增加约60％。此外，执行在返回通道中产生的UV能量的阻挡以消除UV对主腔中的部件的损伤。

2. 发明公开

EP1010221A1 INTRA-CAVITY AND INTER-CAVITY HARMONICS GENERATION IN HIGH POWER LASERS 失效
标题翻译： GENERATING谐波内部和之间的高性能激光器谐振器
公开(公告)号：EP1010221A1
公开(公告)日：2000-06-21
申请号：EP98923476.0
申请日：1998-05-14
申请人： Excel Quantronix Corp.
发明人： ZHOU, Fuzheng , FU, Qiang , MAIKOWSKI, Michael
IPC分类号： H01S3/10
CPC分类号： H01S3/109 , G02F2001/354 , G02F2001/3542
摘要： Intra-cavity and/or inter-cavity sub-resonators (10, 20, 22, 50, 52, 32, 54) with dielectric coated mirrors (10, 50, 52, 54) have anti-reflection and high-reflection coatings to attain high efficiency third (32) and higher order harmonics generation of laser radiation. Main-resonators and sub-resonators enhance the fundamental and harmonic oscillation, respectively, which result is high conversion efficiency of third harmonics (32) and higer, such improved lasing efficiency may be implemented in higher power lasers for improved power performance to attain over 8 W of UV output power with a high repetition rate. The use of intra-cavity THG techniques provide high efficiency by using existing high intensities of the input fundamental frequencies available in the intra-cavity region of the laser to avoid damage to components of the laser, such as the laser crystal. The THG utilizes a double-pass and/or multi-pass arrangement, which results in about a 60 % increase in output power compared to a single pass configuration. Also, blocking of UV energy generated in a return pass is performed to eliminate damage by the UV to components in the main cavity.

3. 发明专利

AU7576598A Intra-cavity and inter-cavity harmonics generation in high power lasers 未知
公开(公告)号：AU7576598A
公开(公告)日：1998-12-08
申请号：AU7576598
申请日：1998-05-14
申请人： EXCEL QUANTRONIX CORP
发明人： ZHOU FUZHENG , FU QIANG , MAIKOWSKI MICHAEL
IPC分类号： G02F1/37 , G02F1/35 , H01S3/109 , H01S3/10
摘要： Intra-cavity and/or inter-cavity sub-resonators with dielectric coated mirrors have anti-reflection and high-reflection coatings to attain high efficiency third and higher order harmonics generation of laser radiation. Main-resonators and sub-resonators enhance the fundamental and harmonic oscillations, respectively, which result in high conversion efficiency of third harmonics and higher. Such improved lasing efficiency may be implemented in high power lasers for improved power performance to attain over 8 W of UV output power with a high repetition rate. The use of intra-cavity THG techniques provide high efficiency by using existing high intensities of the input fundamental frequencies available in the intra-cavity region of the laser to avoid damage to components of the laser, such as the laser crystal. The THG utilizes a double-pass and/or multi-pass arrangement, which results in about a 60% increase in output power compared to a single-pass configuration. Also, blocking of UV energy generated in a return pass is performed to eliminate damage by the UV to the components in the main cavity.

4. 发明专利

CA2289670A1 INTRA-CAVITY AND INTER-CAVITY HARMONICS GENERATION IN HIGH POWER LASERS 未知
公开(公告)号：CA2289670A1
公开(公告)日：1998-11-19
申请号：CA2289670
申请日：1998-05-14
申请人： EXCEL QUANTRONIX CORP
发明人： FU QIANG , MAIKOWSKI MICHAEL , ZHOU FUZHENG
IPC分类号： G02F1/37 , G02F1/35 , H01S3/109 , H01S3/10
摘要： Intra-cavity and/or inter-cavity sub-resonators (10, 20, 22, 50, 52, 32, 54) with dielectric coated mirrors (10, 50, 52, 54) have anti-reflection and highreflection coatings to attain high efficiency third (32) and higher order harmonics generation of laser radiation. Main-resonators and sub-resonators enhance the fundamental and harmonic oscillation, respectively, which result is high conversion efficiency of third harmonics (32) and higer, such improved lasing efficiency may be implemented in higher power lasers for improved power performance to attain over 8 W of UV output power with a high repetition rate. The use of intra-cavity THG techniques provide high efficiency by using existing high intensities of the input fundamental frequencies available in the intra-cavity region of the laser to avoid damage to components of the laser, such as the laser crystal. The THG utilizes a double-pass and/or multipass arrangement, which results in about a 60 % increase in output power compared to a single pass configuration. Also, blocking of UV energy generated in a return pass is performed to eliminate damage by the UV to components in the main cavity.

5. 发明申请

US20020180977A1 Apparatus and method for measuring intensity and phase of a light pulse with an interferometric asymmetric single-shot autocorrelator 有权
标题翻译：用干涉式不对称单次自相关器测量光脉冲的强度和相位的装置和方法
公开(公告)号：US20020180977A1
公开(公告)日：2002-12-05
申请号：US10136655
申请日：2002-04-30
申请人： Excel/Quantronix Corp.
发明人： Qiang Fu , Sergei Petrovich Nikitin , Anatoly Viktorovich Masalov
IPC分类号： G01B009/02
CPC分类号： G01J9/02
摘要： An apparatus and method to measure optical intensity and phase of one or several light pulses is described. The apparatus combines a spectrally resolved interferometric asymmetric single-shot optical autocorrelator and imaging spectrograph. The asymmetric design of the optical autocorrelator based on second harmonic generation eliminates time-direction ambiguity, while a spectrally resolved interferometric pattern allows the performance of self-check and self-calibration of the apparatus and substantially improves convergence, robustness and reliability of the computational retrieval algorithm.
摘要翻译：描述了测量一个或多个光脉冲的光强度和相位的装置和方法。该装置结合了光谱分辨的干涉式不对称单次光学自相关器和成像光谱仪。基于二次谐波生成的光学自相关器的非对称设计消除了时间方向模糊，而光谱分辨干涉图形允许进行设备的自我检查和自校准，并大大提高计算检索的收敛性，鲁棒性和可靠性算法。

6. 发明专利

CA2289670C INTRA-CAVITY AND INTER-CAVITY HARMONICS GENERATION IN HIGH POWER LASERS 未知
公开(公告)号：CA2289670C
公开(公告)日：2005-06-21
申请号：CA2289670
申请日：1998-05-14
申请人： EXCEL QUANTRONIX CORP
发明人： ZHOU FUZHENG , FU QIANG , MAIKOWSKI MICHAEL
IPC分类号： G02F1/37 , G02F1/35 , H01S3/109 , H01S3/10
摘要： Intra-cavity and/or inter-cavity sub-resonators (10, 20, 22, 50, 52, 32, 54) with dielectric coated mirrors (10, 50, 52, 54) have anti-reflection and high-reflection coatings to attain high efficiency third (32) and higher order harmonics generation of laser radiation. Main-resonators and sub-resonators enhance the fundamental and harmonic oscillation, respectively, which result is high conversion efficiency of third harmonics (32) and higher, such improved lasing efficien cy may be implemented in higher power lasers for improved power performance to attain over 8 W of UV output power with a high repetiti on rate. The use of intra-cavity THG techniques provide high efficiency by using existing high intensities of the input fundamental frequencies available in the intra-cavity region of the laser to avoid damage to components of the laser, such as the laser crystal. The THG utilizes a double-pass and/or multi-pass arrangement, which results in about a 60 % increase in output power compared to a single pass configuration. Also, blocking of UV energy generated in a return pass is performed to eliminate damage by the UV to components in the main cavity.

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