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公开(公告)号：US20130315271A1
公开(公告)日：2013-11-28
申请号：US13479760
申请日：2012-05-24
申请人： Gregory D. Goodno
发明人： Gregory D. Goodno
IPC分类号： H01S3/13
CPC分类号： H01S3/1307 , H01S3/06754 , H01S3/1305 , H01S3/2383
摘要： In one embodiment, a system includes a master oscillator for generating a primary laser signal. A plurality of amplifiers amplifies a plurality of secondary laser signals and generates a plurality of amplified laser signals. A plurality of actuators adjusts a position, a beam angle, a path length, and a phase of the plurality of amplified laser signals. At least one control module controls the plurality of actuators that adjust the position, the beam angle, the path length, and the phase of the plurality of amplified laser signals. A combiner receives the amplified laser signals to generate a combined laser output signal. At least one filter samples the combined laser output signal to generate a plurality of phase errors as feedback for the control module to control at least one of the position, the beam angle, or the path length for the plurality of amplified laser signals.
摘要翻译： 在一个实施例中，系统包括用于产生主激光信号的主振荡器。 多个放大器放大多个次级激光信号并产生多个放大的激光信号。 多个致动器调节多个放大的激光信号的位置，光束角度，路径长度和相位。 至少一个控制模块控制调节多个放大的激光信号的位置，光束角度，路径长度和相位的多个致动器。 组合器接收放大的激光信号以产生组合的激光输出信号。 至少一个滤波器对组合的激光输出信号进行采样，以产生多个相位误差作为控制模块的反馈，以控制多个放大的激光信号的位置，波束角或路径长度中的至少一个。
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2.发明授权Coherently phase combined, high contrast, pulsed optical fiber amplifier array 有权相干相结合，高对比度，脉冲光纤放大器阵列公开(公告)号：US08786942B2
公开(公告)日：2014-07-22
申请号：US13495374
申请日：2012-06-13
CPC分类号： H01S3/2383 , H01S3/0085 , H01S3/06754 , H01S3/1301 , H01S3/1305 , H01S3/1307 , H01S3/2308
摘要： A pulsed fiber array laser system that has actively stabilized coherent beam combination (CBC) is disclosed. The active stabilization is accomplished using both piston phase control and intra-pulse phase control, allowing a much greater increase in pulse energy. Further stabilization using intra-pulse amplitude control is also disclosed. A chirp profile can be written on the output pulse to enable specific applications. An amplitude profile of the amplifier array may optionally be tailored to match to a reference electrical pulse. Using the current invention, a much smaller number of amplifier chains will be needed to achieve certain pulse energy, resulting in a system with lower complexity, lower cost, smaller size, less weight, and higher reliability.
摘要翻译： 公开了一种具有主动稳定的相干光束组合（CBC）的脉冲光纤阵列激光系统。 主动稳定是使用活塞相位控制和脉冲内相位控制来实现的，允许脉冲能量增加更多。 还公开了使用脉冲内幅度控制的进一步的稳定化。 可以在输出脉冲上写入啁啾曲线，以实现特定应用。 可以可选地调整放大器阵列的幅度分布以匹配参考电脉冲。 使用本发明，需要更少数量的放大器链来实现某些脉冲能量，从而导致具有较低复杂性，较低成本，较小尺寸，较小重量和更高可靠性的系统。
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公开(公告)号：US09735537B1
公开(公告)日：2017-08-15
申请号：US15097043
申请日：2016-04-12
IPC分类号： G02F1/01 , H04B10/25 , H01S3/23 , H01S3/00 , G02B27/30 , H01S3/10 , G02B27/10 , G02B27/09 , G02B27/00 , H01S3/13
CPC分类号： H01S3/2391 , G02B27/0037 , G02B27/0927 , G02B27/1006 , G02B27/1086 , G02B27/30 , H01S3/005 , H01S3/0085 , H01S3/06754 , H01S3/1003 , H01S3/1307
摘要： A system includes N master oscillators to generate N master oscillator driving signals. The system includes N splitters to split each of the N master oscillator signals into M coherent signals with M being a positive integer greater than one. A modulator and fiber amplifier stage adjusts the relative phases of the M coherent signals and generates M×N amplified signals. The M×N amplified signals are aggregated into M clusters of N fibers. The system includes M spectral beam combination (SBC) modules to combine each of the M clusters. Each SBC module combines the M×N amplified signals at N wavelengths and generates M tiled output beams. Each SBC module employs a single dimensional (1D) fiber optic array to transmit one cluster of N amplified signals from the M signal clusters and generates one tiled output beam of the M tiled output beams.
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公开(公告)号：US20130105674A1
公开(公告)日：2013-05-02
申请号：US13419054
申请日：2012-03-13
CPC分类号： H01S3/06754 , H01S3/0085 , H01S3/1307 , H01S3/2308 , H01S3/2383
摘要： A multichannel polarization stabilizer including a mixing device responsive to a sample beam and a reference beam that provides an in-phase signal including the mixed sample beam and reference beam having a relative phase of 0° and a quadrature phase signal including the mixed sample beam and reference beam having a relative phase of 90°. The stabilizer also includes a photodetector responsive to the quadrature phase signal that converts the quadrature phase signal to a quadrature phase electrical signal. A polarization demultiplexer circuit receives the quadrature phase electrical signal and measures the amplitude of a frequency tone in the sample beam and provides a polarization amplitude signal. A polarization controller receives the polarization amplitude signal and controls the reference beam to maximize the polarization amplitude signal.
摘要翻译： 包括响应于采样光束的混合装置和参考光束的多通道偏振光稳定器，所述参考光束提供包括混合采样光束的同相信号和具有0°的相对相位的参考光束和包括混合样品光束的正交相位信号， 参考光束的相对相位为90°。 稳定器还包括响应于将正交相位信号转换为正交相位电信号的正交相位信号的光电检测器。 偏振解复用器电路接收正交相位电信号，并测量采样光束中的频率振幅，并提供极化振幅信号。 偏振控制器接收极化幅度信号并控制参考光束以使偏振振幅信号最大化。
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5.发明授权Optical scheme for holographic imaging of complex diffractive elements in materials 有权材料中复杂衍射元素的全息成像光学方案公开(公告)号：US06297894B1
公开(公告)日：2001-10-02
申请号：US09385999
申请日：1999-08-30
IPC分类号： G03H104
CPC分类号： G03H1/0248 , G02B5/1857 , G02B5/32 , G02B6/02133 , G02B6/124 , G02B2006/12107 , G03H2210/12 , G03H2210/20
摘要： This invention discloses optical system and method for writing a refractive index pattern in a light transmissive or light absorbing sample. A light source for providing a short pulse laser beam in the femtosecond range having a low power per unit area is coupled to provide the short pulse beam to a diffractive optical element. A curved mirror collects light transmitted through or reflected from the diffractive optical element preserves an image relating to characteristics of the diffractive optical element encoded within the collected light, and directs the collected light in wavelength independent manner while preserving the image of the diffractive optical element encoded within the collected light. A rod lens demagnifies the image within the light received from the curved mirror so as to increase its power per unit area when directed to the light transmissive or absorbing sample to be permanently impressed therein.
摘要翻译： 本发明公开了一种在透光或光吸收样品中写入折射率图案的光学系统和方法。 用于在具有每单位面积的低功率的飞秒范围内提供短脉冲激光束的光源被耦合以向衍射光学元件提供短脉冲光束。 收集透射通过衍射光学元件或从衍射光学元件反射的光的曲面镜保留与所收集的光中编码的衍射光学元件的特性有关的图像，并且以波长独立的方式引导收集的光，同时保持被编码的衍射光学元件的图像 在收集的光下。 棒状透镜在从弯曲镜接收的光中对图像进行缩小，以便当指向透光或吸收样品以在其中永久地印刷时增加其每单位面积的功率。
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公开(公告)号：US08922771B2
公开(公告)日：2014-12-30
申请号：US13419054
申请日：2012-03-13
CPC分类号： H01S3/06754 , H01S3/0085 , H01S3/1307 , H01S3/2308 , H01S3/2383
摘要： A multichannel polarization stabilizer including a mixing device responsive to a sample beam and a reference beam that provides an in-phase signal including the mixed sample beam and reference beam having a relative phase of 0° and a quadrature phase signal including the mixed sample beam and reference beam having a relative phase of 90°. The stabilizer also includes a photodetector responsive to the quadrature phase signal that converts the quadrature phase signal to a quadrature phase electrical signal. A polarization demultiplexer circuit receives the quadrature phase electrical signal and measures the amplitude of a frequency tone in the sample beam and provides a polarization amplitude signal. A polarization controller receives the polarization amplitude signal and controls the reference beam to maximize the polarization amplitude signal.
摘要翻译： 包括响应于采样光束的混合装置和参考光束的多通道偏振光稳定器，所述参考光束提供包括混合采样光束的同相信号和具有0°的相对相位的参考光束和包括混合样品光束的正交相位信号， 参考光束的相对相位为90°。 稳定器还包括响应于将正交相位信号转换为正交相位电信号的正交相位信号的光电检测器。 偏振解复用器电路接收正交相位电信号，并测量采样光束中的频率振幅，并提供极化振幅信号。 偏振控制器接收极化幅度信号并控制参考光束以使偏振振幅信号最大化。
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公开(公告)号：US08792526B2
公开(公告)日：2014-07-29
申请号：US13479760
申请日：2012-05-24
申请人： Gregory D. Goodno
发明人： Gregory D. Goodno
IPC分类号： H01S3/13
CPC分类号： H01S3/1307 , H01S3/06754 , H01S3/1305 , H01S3/2383
摘要： In one embodiment, a system includes a master oscillator for generating a primary laser signal. A plurality of amplifiers amplifies a plurality of secondary laser signals and generates a plurality of amplified laser signals. A plurality of actuators adjusts a position, a beam angle, a path length, and a phase of the plurality of amplified laser signals. At least one control module controls the plurality of actuators that adjust the position, the beam angle, the path length, and the phase of the plurality of amplified laser signals. A combiner receives the amplified laser signals to generate a combined laser output signal. At least one filter samples the combined laser output signal to generate a plurality of phase errors as feedback for the control module to control at least one of the position, the beam angle, or the path length for the plurality of amplified laser signals.
摘要翻译： 在一个实施例中，系统包括用于产生主激光信号的主振荡器。 多个放大器放大多个次级激光信号并产生多个放大的激光信号。 多个致动器调节多个放大的激光信号的位置，光束角度，路径长度和相位。 至少一个控制模块控制调节多个放大的激光信号的位置，光束角度，路径长度和相位的多个致动器。 组合器接收放大的激光信号以产生组合的激光输出信号。 至少一个滤波器对组合的激光输出信号进行采样，以产生多个相位误差作为控制模块的反馈，以控制多个放大的激光信号的位置，波束角或路径长度中的至少一个。
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公开(公告)号：US10267992B1
公开(公告)日：2019-04-23
申请号：US15709052
申请日：2017-09-19
摘要： An optical fiber launcher assembly can include a low precision fiber array that outputs a plurality of optical signals from a given side that are input into an opposing side. The optical fiber launcher assembly can also include a corrective optic aligned with and spaced apart from the low precision fiber array. The plurality of optical signals output from the low precision array to the corrective optic have a given trajectory and optical signals output from the corrective optic have a substantially parallel trajectory different from the given trajectory.
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9.发明申请COHERENTLY PHASE COMBINED, HIGH CONTRAST, PULSED OPTICAL FIBER AMPLIFIER ARRAY 有权相干组合，高对比度，脉冲光纤放大器阵列公开(公告)号：US20130336344A1
公开(公告)日：2013-12-19
申请号：US13495374
申请日：2012-06-13
IPC分类号： H01S3/10
CPC分类号： H01S3/2383 , H01S3/0085 , H01S3/06754 , H01S3/1301 , H01S3/1305 , H01S3/1307 , H01S3/2308
摘要： A pulsed fiber array laser system that has actively stabilized coherent beam combination (CBC) is disclosed. The active stabilization is accomplished using both piston phase control and intra-pulse phase control, allowing a much greater increase in pulse energy. Further stabilization using intra-pulse amplitude control is also disclosed. A chirp profile can be written on the output pulse to enable specific applications. An amplitude profile of the amplifier array may optionally be tailored to match to a reference electrical pulse. Using the current invention, a much smaller number of amplifier chains will be needed to achieve certain pulse energy, resulting in a system with lower complexity, lower cost, smaller size, less weight, and higher reliability.
摘要翻译： 公开了一种具有主动稳定的相干光束组合（CBC）的脉冲光纤阵列激光系统。 主动稳定是使用活塞相位控制和脉冲内相位控制来实现的，允许脉冲能量增加更多。 还公开了使用脉冲内幅度控制的进一步的稳定化。 可以在输出脉冲上写入啁啾曲线，以实现特定应用。 可以可选地调整放大器阵列的幅度分布以匹配参考电脉冲。 使用本发明，需要更少数量的放大器链来实现某些脉冲能量，从而导致具有较低复杂性，较低成本，较小尺寸，较小重量和更高可靠性的系统。
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公开(公告)号：US07948680B2
公开(公告)日：2011-05-24
申请号：US11954448
申请日：2007-12-12
申请人： Gregory D. Goodno
发明人： Gregory D. Goodno
IPC分类号： G02B5/18
CPC分类号： G02B27/1086 , G02B6/2931 , G02B19/0014 , G02B19/0057
摘要： The present invention provides systems and methods for spectral beam combination by applying a spatial chirp to each of a plurality of input beamlets using a respective plurality of dispersive elements and combining the spatially-chirped beamlets into a single collimated output beam using a dispersive element configured to remove the spatial chirp. In an embodiment, each dispersive element is a grating combined with a lens that is confocal to the grating and also confocal to a Fourier plane upon which a transverse distribution of beam spectral components is produced. A final lens-grating pair includes a lens and a grating, where the lens is confocal to the grating and also confocal to the Fourier plane.
摘要翻译： 本发明通过使用相应的多个色散元件将空间啁啾应用到多个输入子束中的每一个并且将空间啁啾子束组合成单个准直输出光束，使用分散元件配置为 去除空间啁啾声。 在一个实施例中，每个色散元件是与透镜组合的光栅，该透镜与光栅共焦，并且还共焦于傅立叶平面，在该傅立叶平面上产生光束光谱分量的横向分布。 最终的透镜 - 光栅对包括透镜和光栅，其中透镜与光栅共焦并且还共焦于傅立叶平面。
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