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1. 发明申请

WO2015108991A3 LASER-BASED MODIFICATION OF TRANSPARENT MATERIALS 审中-公开
标题翻译：基于激光的透明材料改性
公开(公告)号：WO2015108991A3
公开(公告)日：2015-10-15
申请号：PCT/US2015011420
申请日：2015-01-14
申请人： IMRA AMERICA INC
发明人： OTA MICHIHARU , ARAI ALAN Y , LIU ZHENLIN
IPC分类号： B23K26/36 , B23K26/06 , B23K26/08 , B23K26/38 , B23K26/40
CPC分类号： B23K26/0624 , B23K26/0604 , B23K26/082 , B23K26/36 , B23K26/364 , B23K26/38 , B23K26/382 , B23K26/40 , B23K26/402 , B23K2203/50 , B23K2203/54 , C03B33/102
摘要： In certain embodiments a method and system for laser-based material processing of a material is disclosed. In at least one preferred implementation temporally overlapping pulse series are generated with separate pulsed laser sources, for example nanosecond (NS) and ultrashort pulse (USP) sources (NS-USP). Pulses are delivered to the material as a series of spatially and temporally overlapping pulse pairs. The material can, but need not, be a transparent material. In some applications of transparent material processing, it was found the combination of pulses both substantially more material modification and high machining quality than obtainable with either individual pulse series taken alone. Other micromachining methods and arrangement are disclosed for formation of fine features on or within a substrate. Such methods and arrangements may generally be applied with a NS-USP combination, or with other sources.
摘要翻译：在某些实施例中，公开了用于材料的基于激光的材料处理的方法和系统。在至少一个优选实施方式中，利用分离的脉冲激光源，例如纳秒（NS）和超短脉冲（USP）源（NS-USP）产生时间重叠的脉冲序列。脉冲作为一系列空间和时间重叠的脉冲对被传送到材料。材料可以但不必是透明材料。在透明材料加工的一些应用中，发现脉冲组合可以实现更多的材料修改和高的加工质量，而不是单独采用单个脉冲序列可获得的。公开了其他微加工方法和装置，用于在衬底上或衬底内形成精细特征。这些方法和装置通常可以与NS-USP组合或与其他来源一起应用。

2. 发明申请

WO2005101593A2 MODULAR FIBER-BASED CHIRPED PULSE AMPLIFICATION SYSTEM 审中-公开
标题翻译：基于模块化纤维的CHIRPED脉冲放大系统
公开(公告)号：WO2005101593A2
公开(公告)日：2005-10-27
申请号：PCT/US2005008627
申请日：2005-03-14
申请人： IMRA AMERICA INC , LIU ZHENLIN , CHO GYU CHOEN , GU XINHUA , ULRICH OTHO E , HARTER DONALD J
发明人： LIU ZHENLIN , CHO GYU CHOEN , GU XINHUA , ULRICH OTHO E , HARTER DONALD J
IPC分类号： H01S3/00 , H01S3/02 , H01S3/067 , H01S3/094 , H01S3/0941 , H01S3/098 , H01S3/10 , H01S3/102 , H01S3/13 , H01S3/16 , H01S3/23
CPC分类号： H01S3/0057 , H01S3/005 , H01S3/0064 , H01S3/0078 , H01S3/0085 , H01S3/02 , H01S3/025 , H01S3/06704 , H01S3/06712 , H01S3/06754 , H01S3/094011 , H01S3/0941 , H01S3/09415 , H01S3/10007 , H01S3/1028 , H01S3/1115 , H01S3/1301 , H01S3/1305 , H01S3/1618 , H01S3/2316 , H01S5/0612 , H01S5/06804
摘要： A modular ultrafast pulse laser system is constructed of individually pre-tested components manufactured as modules. The individual modules include an oscillator, pre-amplifier and power amplifier stages, a non-linear amplifier, and a stretcher and compressor. The individual modules can typically be connected by means of simple fiber splices.
摘要翻译：模块化超快脉冲激光系统由单独的预先测试的部件构成，作为模块制造。各个模块包括振荡器，前置放大器和功率放大器级，非线性放大器以及担架和压缩器。各个模块通常可以通过简单的光纤接头连接。

3. 发明申请

WO2006073668A2 METHOD AND APPARATUS FOR OBTAINING AND MAINTAINING MODE-LOCKING IN FIBER LASER SYSTEMS 审中-公开
标题翻译：在光纤激光系统中获取和维护模式锁定的方法和装置
公开(公告)号：WO2006073668A2
公开(公告)日：2006-07-13
申请号：PCT/US2005044490
申请日：2005-12-08
申请人： IMRA AMERICA INC , HOFFMAN ROBERT , NATI SALVATORE F , GU XINHUA , LIU ZHENLIN
发明人： HOFFMAN ROBERT , NATI SALVATORE F , GU XINHUA , LIU ZHENLIN
IPC分类号： H01S3/30
CPC分类号： H01S3/1022 , H01S3/0014 , H01S3/0401 , H01S3/0941 , H01S3/10007 , H01S3/10046 , H01S3/10069
摘要： A method and apparatus for detecting and controlling the conditions needed for starting and maintaining mode-locked operation of a laser system including a fiber oscillator and high power fiber amplifier. The invention is used to monitor the output power and repetition rate of the fiber oscillator and control the operation of the oscillator such that the oscillator obtains and maintains correct mode-locked operation despite changes in environmental conditions such as temperature, and also with changes due to component aging or degradation.
摘要翻译：一种用于检测和控制包括光纤振荡器和高功率光纤放大器的激光系统的启动和维持锁模操作所需条件的方法和装置。本发明用于监测光纤振荡器的输出功率和重复率，并且控制振荡器的操作，使得振荡器获得并维持正确的锁模操作，尽管环境条件如温度变化，以及由于组分老化或降解。

4. 发明申请

WO2006057655A8 ALL-FIBER CHIRPED PULSE AMPLIFICATION SYSTEMS 审中-公开
标题翻译：全光纤脉冲放大系统
公开(公告)号：WO2006057655A8
公开(公告)日：2007-08-23
申请号：PCT/US2005008626
申请日：2005-03-14
申请人： IMRA AMERICA INC , FERMANN MARTIN E , IMESHEV GENNADY , CHO GYU CHOEN , LIU ZHENLIN , HARTER DONALD J
发明人： FERMANN MARTIN E , IMESHEV GENNADY , CHO GYU CHOEN , LIU ZHENLIN , HARTER DONALD J
IPC分类号： G02B6/02 , G02B6/26 , H01S3/00 , H01S3/067 , H04B10/00
CPC分类号： H01S3/0057 , H01S3/0064 , H01S3/0078 , H01S3/06712 , H01S3/06725 , H01S3/06741 , H01S3/06754 , H01S3/06758 , H01S3/094007 , H01S3/1086 , H01S3/1301 , H01S3/1608 , H01S3/1618 , H01S3/2308 , H01S3/2316 , H01S3/302
摘要： By compensating polarization mode-dispersion as well chromatic dispersion in photonic crystal fiber pulse compressors, high pulse energies can be obtained from all-fiber chirped pulse amplification systems. By inducing third-order dispersion in fiber amplifiers via self-phase modulation, the third-order chromatic dispersion from bulk grating pulse compressors can be compensated and the pulse quality of hybrid fiber/bulk chirped pulse amplification systems can be improved. Finally, by amplifying positively chirped pulses in negative dispersion fiber amplifiers, low noise wavelength tunable seed source via anti-Stokes frequency shifting can be obtained.
摘要翻译：通过补偿光子晶体光纤脉冲压缩器中的偏振模色散以及色散，可以从全光纤啁啾脉冲放大系统获得高脉冲能量。通过自相位调制在光纤放大器中产生三阶色散，可以补偿来自块状光栅脉冲压缩器的三阶色散，可以提高混合光纤/体积啁啾脉冲放大系统的脉冲质量。最后，通过在负色散光纤放大器中正向啁啾脉冲放大，可以获得经过反斯托克斯频移的低噪声波长可调种子源。

5. 发明申请

WO2006057655A3 PRIMARY EXAMINER 审中-公开
标题翻译：主要考官
公开(公告)号：WO2006057655A3
公开(公告)日：2007-04-26
申请号：PCT/US2005008626
申请日：2005-03-14
申请人： IMRA AMERICA INC , FERMANN MARTIN E , IMESHEV GENNADY , CHO GYU CHOEN , LIU ZHENLIN , HARTER DONALD J
发明人： FERMANN MARTIN E , IMESHEV GENNADY , CHO GYU CHOEN , LIU ZHENLIN , HARTER DONALD J
IPC分类号： G02B6/02 , G02B6/26 , H01S3/00 , H01S3/067 , H04B10/00
CPC分类号： H01S3/0057 , H01S3/0064 , H01S3/0078 , H01S3/06712 , H01S3/06725 , H01S3/06741 , H01S3/06754 , H01S3/06758 , H01S3/094007 , H01S3/1086 , H01S3/1301 , H01S3/1608 , H01S3/1618 , H01S3/2308 , H01S3/2316 , H01S3/302
摘要： By compensating polarization mode-dispersion as well chromatic dispersion in photonic crystal fiber pulse compressors, high pulse energies can be obtained from all-fiber chirped pulse amplification systems. By inducing third-order dispersion in fiber amplifiers via self-phase modulation, the third-order chromatic dispersion from bulk grating pulse compressors can be compensated and the pulse quality of hybrid fiber/bulk chirped pulse amplification systems can be improved. Finally, by amplifying positively chirped pulses in negative dispersion fiber amplifiers, low noise wavelength tunable seed source via anti-Stokes frequency shifting can be obtained.
摘要翻译：通过补偿光子晶体光纤脉冲压缩器中的偏振模色散以及色散，可以从全光纤啁啾脉冲放大系统获得高脉冲能量。通过自相位调制在光纤放大器中产生三阶色散，可以补偿来自大容量光栅脉冲压缩器的三阶色散，可以提高混合光纤/体积啁啾脉冲放大系统的脉冲质量。最后，通过在负色散光纤放大器中正向啁啾脉冲放大，可以获得经过反斯托克斯频移的低噪声波长可调种子源。

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