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1. 发明申请

US20180212396A1 Device and Method for Performing Overall Frequency Stabilization of Femtosecond Laser Optical Comb by Using Optical Modes Directly Extracted from Optical Comb 审中-公开
公开(公告)号：US20180212396A1
公开(公告)日：2018-07-26
申请号：US15744921
申请日：2015-08-19
申请人： Korea Advanced Institute of Science and Technology
发明人： Seung-Woo Kim , Young-Jin Kim , Byung Jae Chun , Heesuk Jang , Hyun Jay Kang
IPC分类号： H01S3/137 , H01S3/139 , H01S3/23 , H01S3/10 , H01S3/13 , H01S3/067 , H01S3/11
CPC分类号： H01S3/137 , H01S3/0085 , H01S3/06754 , H01S3/10092 , H01S3/11 , H01S3/1305 , H01S3/1307 , H01S3/1312 , H01S3/136 , H01S3/139 , H01S3/1392 , H01S3/1394 , H01S3/1396 , H01S3/23 , H01S3/2383 , H01S3/2391
摘要： The present invention relates to a device and a method for performing overall frequency stabilization of a femtosecond laser optical comb by using optical modes directly extracted from the optical comb, and more particularly, to a device and a method for performing overall frequency stabilization of a femtosecond laser optical comb by using optical modes directly extracted from the optical comb capable of stabilizing an overall range of frequencies of the femtosecond laser optical comb by using optical modes directly extracted from the optical comb and generating a cw laser and pulse having an excellent frequency stability and linewidth from the stabilized optical comb.

2. 发明授权

US09825423B2 Laser-frequency stabilizer and laser-frequency stabilization method 有权
公开(公告)号：US09825423B2
公开(公告)日：2017-11-21
申请号：US15042627
申请日：2016-02-12
申请人： MITUTOYO CORPORATION
发明人： Ryunosuke Yano , Yusuke Shirakawa , Tatsuya Narumi
IPC分类号： H01S3/13 , H01S3/139
CPC分类号： H01S3/1305 , H01S3/1392
摘要： A laser-frequency stabilizer includes: a light detector that converts a laser beam passing through an iodine cell to an optical output signal, an actuator that changes a resonator length in accordance with a received output voltage, and a control unit that controls the output voltage applied to the actuator. The control unit searches for a target saturated absorption line based on the optical output signal and, when the output voltage when the target saturated absorption line is found is within a normal voltage range that is predetermined corresponding to the target saturated absorption line, locks a oscillation frequency of the laser beam to the target saturated absorption line.

3. 发明授权

US09698559B2 Optical scanning and imaging systems based on dual pulsed laser systems 有权
公开(公告)号：US09698559B2
公开(公告)日：2017-07-04
申请号：US14964779
申请日：2015-12-10
申请人： IMRA AMERICA, INC.
发明人： Martin E. Fermann , Ingmar Hartl
IPC分类号： H01S3/10 , H01S3/11 , G01N21/31 , H01S3/23 , G01B9/02 , G02B6/02 , H01S3/067 , H01S3/08 , H01S3/106 , H01S3/13 , H01S3/139
CPC分类号： H01S3/10046 , G01B9/02001 , G01N21/31 , G01N2021/317 , G02B6/02304 , H01S3/0675 , H01S3/06754 , H01S3/08054 , H01S3/1067 , H01S3/1068 , H01S3/11 , H01S3/1115 , H01S3/13 , H01S3/1307 , H01S3/1392 , H01S3/1394 , H01S3/2383
摘要： The invention relates to scanning pulsed laser systems for optical imaging. Coherent dual scanning laser systems (CDSL) are disclosed and some applications thereof. Various alternatives for implementation are illustrated, including highly integrated configurations. In at least one embodiment a coherent dual scanning laser system (CDSL) includes two passively modelocked fiber oscillators. The oscillators are configured to operate at slightly different repetition rates, such that a difference δfr in repetition rates is small compared to the values fr1 and fr2 of the repetition rates of the oscillators. The CDSL system also includes a non-linear frequency conversion section optically connected to each oscillator. The section includes a non-linear optical element generating a frequency converted spectral output having a spectral bandwidth and a frequency comb comprising harmonics of the oscillator repetition rates. A CDSL may be arranged in an imaging system for one or more of optical imaging, microscopy, micro-spectroscopy and/or THz imaging.

4. 发明申请

US20160094008A1 OPTICAL SCANNING AND IMAGING SYSTEMS BASED ON DUAL PULSED LASER SYSTEMS 审中-公开
标题翻译：基于双脉冲激光系统的光学扫描和成像系统
公开(公告)号：US20160094008A1
公开(公告)日：2016-03-31
申请号：US14964779
申请日：2015-12-10
申请人： IMRA AMERICA, INC.
发明人： Martin E. FERMANN , Ingmar HARTL
IPC分类号： H01S3/10 , H01S3/13 , H01S3/23 , H01S3/11 , H01S3/106
CPC分类号： H01S3/10046 , G01B9/02001 , G01N21/31 , G01N2021/317 , G02B6/02304 , H01S3/0675 , H01S3/06754 , H01S3/08054 , H01S3/1067 , H01S3/1068 , H01S3/11 , H01S3/1115 , H01S3/13 , H01S3/1307 , H01S3/1392 , H01S3/1394 , H01S3/2383
摘要： The invention relates to scanning pulsed laser systems for optical imaging. Coherent dual scanning laser systems (CDSL) are disclosed and some applications thereof. Various alternatives for implementation are illustrated, including highly integrated configurations. In at least one embodiment a coherent dual scanning laser system (CDSL) includes two passively modelocked fiber oscillators. The oscillators are configured to operate at slightly different repetition rates, such that a difference δfr in repetition rates is small compared to the values fr1 and fr2 of the repetition rates of the oscillators. The CDSL system also includes a non-linear frequency conversion section optically connected to each oscillator. The section includes a non-linear optical element generating a frequency converted spectral output having a spectral bandwidth and a frequency comb comprising harmonics of the oscillator repetition rates. A CDSL may be arranged in an imaging system for one or more of optical imaging, microscopy, micro-spectroscopy and/or THz imaging.
摘要翻译：本发明涉及用于光学成像的扫描脉冲激光系统。公开了相干双扫描激光系统（CDSL）及其一些应用。示出了用于实现的各种替代方案，包括高度集成的配置。在至少一个实施例中，相干双扫描激光系统（CDSL）包括两个被动锁模光纤振荡器。振荡器被配置为以稍微不同的重复率操作，使得与振荡器的重复率的值fr1和fr2相比，重复率的差δfr小。 CDSL系统还包括与每个振荡器光学连接的非线性频率转换部分。该部分包括产生具有频谱带宽的频率转换频谱输出和包括振荡器重复频率的谐波的频率梳的非线性光学元件。可以在成像系统中布置CDSL以用于光学成像，显微镜，微光谱和/或THz成像中的一种或多种。

5. 发明授权

US09252560B2 Optical scanning and imaging systems based on dual pulsed laser systems 有权
标题翻译：基于双脉冲激光系统的光学扫描和成像系统
公开(公告)号：US09252560B2
公开(公告)日：2016-02-02
申请号：US14247828
申请日：2014-04-08
申请人： IMRA AMERICA, INC.
发明人： Martin E. Fermann , Ingmar Hartl
IPC分类号： H01S3/10 , H01S3/11 , G01N21/31 , H01S3/23 , G01B9/02 , G02B6/02 , H01S3/067 , H01S3/08 , H01S3/106 , H01S3/13 , H01S3/139
CPC分类号： H01S3/10046 , G01B9/02001 , G01N21/31 , G01N2021/317 , G02B6/02304 , H01S3/0675 , H01S3/06754 , H01S3/08054 , H01S3/1067 , H01S3/1068 , H01S3/11 , H01S3/1115 , H01S3/13 , H01S3/1307 , H01S3/1392 , H01S3/1394 , H01S3/2383
摘要： The invention relates to scanning pulsed laser systems for optical imaging. Coherent dual scanning laser systems (CDSL) are disclosed and some applications thereof. Various alternatives for implementation are illustrated, including highly integrated configurations. In at least one embodiment a coherent dual scanning laser system (CDSL) includes two passively modelocked fiber oscillators. The oscillators are configured to operate at slightly different repetition rates, such that a difference δfr in repetition rates is small compared to the values fr1 and fr2 of the repetition rates of the oscillators. The CDSL system also includes a non-linear frequency conversion section optically connected to each oscillator. The section includes a non-linear optical element generating a frequency converted spectral output having a spectral bandwidth and a frequency comb comprising harmonics of the oscillator repetition rates. A CDSL may be arranged in an imaging system for one or more of optical imaging, microscopy, micro-spectroscopy and/or THz imaging.
摘要翻译：本发明涉及用于光学成像的扫描脉冲激光系统。公开了相干双扫描激光系统（CDSL）及其一些应用。示出了用于实现的各种替代方案，包括高度集成的配置。在至少一个实施例中，相干双扫描激光系统（CDSL）包括两个被动锁模光纤振荡器。振荡器被配置为以稍微不同的重复率操作，使得与振荡器的重复率的值fr1和fr2相比，重复率的差δfr小。 CDSL系统还包括与每个振荡器光学连接的非线性频率转换部分。该部分包括产生具有频谱带宽的频率转换频谱输出和包括振荡器重复频率的谐波的频率梳的非线性光学元件。可以在成像系统中布置CDSL以用于光学成像，显微镜，微光谱和/或THz成像中的一种或多种。

6. 发明授权

US09246302B2 Precision photonic oscillator and method for generating an ultra-stable frequency reference using a two-photon rubidium transition 有权
标题翻译：精密光子振荡器和使用双光子铷跃迁产生超稳定频率参考的方法
公开(公告)号：US09246302B2
公开(公告)日：2016-01-26
申请号：US14330057
申请日：2014-07-14
申请人： Raytheon Company
发明人： Steven R. Wilkinson , Todd O. Clatterbuck , Matthew T. Cashen , Gabriel N. Price , Jeffrey L. Sabala
IPC分类号： H01S3/13 , H01S3/139 , H01S3/00 , G04F5/14 , G02F1/35
CPC分类号： H01S3/13 , G02F1/3526 , G04F5/14 , H01S3/0057 , H01S3/0092 , H01S3/1303 , H01S3/1305 , H01S3/1307 , H01S3/139 , H01S3/1392
摘要： Embodiments of an ultra-stable frequency reference generating system and methods for generating an ultra-stable frequency reference using a two-photon Rubidium transition are generally described herein. In some embodiments, a cavity-stabilized reference laser comprising a laser source is locked to a stabilized cavity. A Rubidium cell is interrogated by a stabilized laser output to cause at least a two-photon Rubidium transition and a detector may detect fluorescence resulting from spontaneous decay of the upper state Rubidium transition. The output of the detector is provided at a wavelength of the fluorescence to lock the cavity-stabilized reference laser to generate a stabilized laser output. A frequency comb stabilizer may be locked to the stabilized laser output to generate a super-continuum of optical wavelengths for use in generating an ultra-stable frequency reference.
摘要翻译：本文通常描述超稳定频率参考产生系统的实施例和使用双光子铷跃迁产生超稳定频率参考的方法。在一些实施例中，包括激光源的腔稳定的参考激光器被锁定到稳定的腔。通过稳定的激光输出询问铷电池，以产生至少两光子铷转变，并且检测器可以检测由上状态铷跃迁的自发衰变产生的荧光。检测器的输出以荧光的波长提供，以锁定腔稳定的参考激光器以产生稳定的激光输出。频率梳稳定器可以被锁定到稳定的激光输出，以产生用于产生超稳定频率参考的光波长的超连续体。

7. 发明授权

US08958446B2 Method for determining stabilization of light output signal and laser frequency stabilizing device 有权
标题翻译：用于确定光输出信号和激光频率稳定装置的稳定性的方法
公开(公告)号：US08958446B2
公开(公告)日：2015-02-17
申请号：US13611952
申请日：2012-09-12
申请人： Koichi Hirose
发明人： Koichi Hirose
IPC分类号： H01S3/13 , H01S3/139 , H01S3/0941 , H01S3/109 , H01S3/16
CPC分类号： H01S3/1398 , H01S3/09415 , H01S3/109 , H01S3/1392 , H01S3/1611 , H01S3/1673 , H01S2301/02
摘要： A method for determining stabilization of a light output signal employed by a laser frequency stabilizing device which irradiates laser light on an absorption cell to obtain the light output signal and, based on a saturated absorption line contained in the light output signal, changes a resonator length to stabilize an oscillation frequency of the laser light to a specific saturated absorption line. The laser frequency stabilizing device includes a conversion mechanism converting the laser light that passes through the absorption cell into the light output signal, an actuator changing the resonator length, and a control mechanism controlling operation of the actuator. The method for determining stabilization includes a signal analysis step analyzing the light output signal and a stabilization determination step determining whether the light output signal is stabilized based on an analysis result from the signal analysis step, executed by the control mechanism.
摘要翻译：一种用于确定由激光频率稳定装置采用的光输出信号的稳定性的方法，其将激光照射在吸收单元上以获得光输出信号，并且基于包含在光输出信号中的饱和吸收线改变谐振器长度以将激光的振荡频率稳定到特定的饱和吸收线。激光频率稳定装置包括将通过吸收单元的激光转换为光输出信号的转换机构，改变谐振器长度的致动器以及控制致动器的操作的控制机构。用于确定稳定的方法包括分析光输出信号的信号分析步骤和基于由控制机构执行的信号分析步骤的分析结果来确定光输出信号是否稳定的稳定确定步骤。

8. 发明授权

US08923351B2 Device for producing high frequencies by means of light frequency beating 有权
标题翻译：用于通过光频率跳动产生高频的装置
公开(公告)号：US08923351B2
公开(公告)日：2014-12-30
申请号：US13698251
申请日：2011-05-09
申请人： François Bondu , Marc Brunel , Mehdi Alouini , Marc Vallet , Goulc'hen Loas , Marco Romanelli
发明人： François Bondu , Marc Brunel , Mehdi Alouini , Marc Vallet , Goulc'hen Loas , Marco Romanelli
IPC分类号： H01S3/10 , H01S3/13 , H01S3/139 , H01S3/08
CPC分类号： H01S3/1306 , H01S3/0809 , H01S3/1392 , H01S3/1398
摘要： In the field of the production of very high frequencies, for example from 1 gigahertz to several terahertz, by beating the frequencies of two laser beams together, a device includes a resonant optical cavity having very stable dimensions receiving the beams, with for each beam, an interrogation device of the resonant cavity supplying an electrical signal representing the difference in frequency between the light frequency of the beam and a resonance frequency of the resonant cavity. The frequency of each beam is servo controlled to minimize the frequency difference observed. The laser beams are produced by a dual-frequency laser producing two beams of different frequencies and orthogonal polarizations. A polarization separator is used for separate servo control of the beams according to polarization, and a polarizer is placed behind a main output of the resonant cavity producing an electromagnetic beam mixing the two polarizations and amplitude-modulated at the beat frequency.
摘要翻译：在制造非常高频率（例如从1千兆赫兹到几兆赫兹）的领域中，通过将两个激光束的频率同步在一起，器件包括具有非常稳定的尺寸的谐振光学腔，其接收光束，对于每个光束，谐振腔的询问装置提供表示光束的光频与谐振腔的共振频率之间的频率差的电信号。每个光束的频率被伺服控制，以最小化观察到的频率差。激光束由双频激光产生，产生两束不同频率和正交偏振光束。偏振分离器用于根据偏振对光束进行单独的伺服控制，并且将偏振器放置在谐振腔的主输出端的后面，产生混合两个偏振的电磁光束并以拍频调幅。

9. 发明申请

US20140219298A1 OPTICAL SCANNING AND IMAGING SYSTEMS BASED ON DUAL PULSED LASER SYSTEMS 审中-公开
标题翻译：基于双脉冲激光系统的光学扫描和成像系统
公开(公告)号：US20140219298A1
公开(公告)日：2014-08-07
申请号：US14247828
申请日：2014-04-08
申请人： IMRA AMERICA, INC.
发明人： Martin E. FERMANN , Ingmar HARTL
IPC分类号： H01S3/10
CPC分类号： H01S3/10046 , G01B9/02001 , G01N21/31 , G01N2021/317 , G02B6/02304 , H01S3/0675 , H01S3/06754 , H01S3/08054 , H01S3/1067 , H01S3/1068 , H01S3/11 , H01S3/1115 , H01S3/13 , H01S3/1307 , H01S3/1392 , H01S3/1394 , H01S3/2383
摘要： The invention relates to scanning pulsed laser systems for optical imaging. Coherent dual scanning laser systems (CDSL) are disclosed and some applications thereof. Various alternatives for implementation are illustrated, including highly integrated configurations. In at least one embodiment a coherent dual scanning laser system (CDSL) includes two passively modelocked fiber oscillators. The oscillators are configured to operate at slightly different repetition rates, such that a difference δfr in repetition rates is small compared to the values fr1 and fr2 of the repetition rates of the oscillators. The CDSL system also includes a non-linear frequency conversion section optically connected to each oscillator. The section includes a non-linear optical element generating a frequency converted spectral output having a spectral bandwidth and a frequency comb comprising harmonics of the oscillator repetition rates. A CDSL may be arranged in an imaging system for one or more of optical imaging, microscopy, micro-spectroscopy and/or THz imaging.
摘要翻译：本发明涉及用于光学成像的扫描脉冲激光系统。公开了相干双扫描激光系统（CDSL）及其一些应用。示出了用于实现的各种替代方案，包括高度集成的配置。在至少一个实施例中，相干双扫描激光系统（CDSL）包括两个被动锁模光纤振荡器。振荡器被配置为以稍微不同的重复率操作，使得与振荡器的重复率的值fr1和fr2相比，重复率的差δfr小。 CDSL系统还包括与每个振荡器光学连接的非线性频率转换部分。该部分包括产生具有频谱带宽的频率转换频谱输出和包括振荡器重复频率的谐波的频率梳的非线性光学元件。可以在成像系统中布置CDSL以用于光学成像，显微镜，微光谱和/或THz成像中的一种或多种。

10. 发明授权

US08699532B2 Optical scanning and imaging systems based on dual pulsed laser systems 失效
标题翻译：基于双脉冲激光系统的光学扫描和成像系统
公开(公告)号：US08699532B2
公开(公告)日：2014-04-15
申请号：US13754491
申请日：2013-01-30
申请人： IMRA America, Inc.
发明人： Martin E. Fermann , Ingmar Hartl
IPC分类号： H01S3/098 , H01S3/10
CPC分类号： H01S3/10046 , G01B9/02001 , G01N21/31 , G01N2021/317 , G02B6/02304 , H01S3/0675 , H01S3/06754 , H01S3/08054 , H01S3/1067 , H01S3/1068 , H01S3/11 , H01S3/1115 , H01S3/13 , H01S3/1307 , H01S3/1392 , H01S3/1394 , H01S3/2383
摘要： The invention relates to scanning pulsed laser systems for optical imaging. Coherent dual scanning laser systems (CDSL) are disclosed and some applications thereof. Various alternatives for implementation are illustrated, including highly integrated configurations. In at least one embodiment a coherent dual scanning laser system (CDSL) includes two passively modelocked fiber oscillators. The oscillators are configured to operate at slightly different repetition rates, such that a difference δfr in repetition rates is small compared to the values fr1 and fr2 of the repetition rates of the oscillators. The CDSL system also includes a non-linear frequency conversion section optically connected to each oscillator. The section includes a non-linear optical element generating a frequency converted spectral output having a spectral bandwidth and a frequency comb comprising harmonics of the oscillator repetition rates. A CDSL may be arranged in an imaging system for one or more of optical imaging, microscopy, micro-spectroscopy and/or THz imaging.
摘要翻译：本发明涉及用于光学成像的扫描脉冲激光系统。公开了相干双扫描激光系统（CDSL）及其一些应用。示出了用于实现的各种替代方案，包括高度集成的配置。在至少一个实施例中，相干双扫描激光系统（CDSL）包括两个被动锁模光纤振荡器。振荡器被配置为以稍微不同的重复率操作，使得与振荡器的重复率的值fr1和fr2相比，重复率的差δfr小。 CDSL系统还包括与每个振荡器光学连接的非线性频率转换部分。该部分包括产生具有频谱带宽的频率转换频谱输出和包括振荡器重复频率的谐波的频率梳的非线性光学元件。可以在成像系统中布置CDSL以用于光学成像，显微镜，微光谱和/或THz成像中的一种或多种。

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