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1. 发明授权

US10862260B2 Integration of direct compressor with primary laser source and fast compressor 有权
公开(公告)号：US10862260B2
公开(公告)日：2020-12-08
申请号：US15853363
申请日：2017-12-22
申请人： INNOVEN ENERGY LLC
发明人： Robert O. Hunter, Jr.
IPC分类号： H01S3/00 , G21B1/23 , G02B27/28 , H01S3/23 , G21B1/03 , H01S3/225 , H01S3/30
摘要： A system and method for integrating a direct compressor with a primary laser source and fast compressor while also reducing the number of mechanical elements and gas interfaces. A nonlinear scattering aperture combiner does not need to be optically multiplexed in order to drive a direct compressor stage, but by producing a large temporal compression ratio it will then pump the fast compressor. In order to accomplish this, a technique for transversely segmenting by color and/or polarization of the optical extraction beams of the direct compressor is utilized.

2. 发明授权

US10770860B2 Lookthrough compression arrangement 有权
公开(公告)号：US10770860B2
公开(公告)日：2020-09-08
申请号：US15788429
申请日：2017-10-19
申请人： INNOVEN ENERGY LLC
发明人： Robert O. Hunter, Jr.
IPC分类号： H01S3/30 , G21B1/03 , H01S3/23 , H01S3/00
摘要： An apparatus and process for pumping laser media by an optical pump over a 10 nanosecond period and thereafter time compressing the energy into an extraction pulse and focusing onto a target with a final 1 nanosecond irradiation time are disclosed. The exciting pump pulses are directed into a lookthrough compression arrangement wherein they energize a stimulated scattering process in low pressure (about 1 atmosphere) gaseous media and impinge in an off axis backward geometry. The extraction pulse is formed and directed towards the target with the appropriate information (color, phase, desired irradiance pattern) impressed on it at relatively low energy by manipulation with conventional, solid material optical elements. Once formed, it traverses the gaseous media, is amplified, and proceeds through a vacuum transition section and onto the target. After the injection of the extraction pulse into the lookthrough compression arrangement, it is amplified in the gaseous media by conversion of the pump energy, coupled through the scattering process. The media and the pump and extraction pulses are tailored to give high energy gain to the input optical pulse, high output fluence, good beam quality (high fidelity amplification to the desired temporal and spatial shape), and time compression. Once injected into the entrance to the first section by the material elements, the extraction pulse proceeds through shutter areas that separate different media regions and encounter no further solid material optical elements as it travels to the target. The focus on the target is impressed before amplification and time compression from the pump pulses and results in a very high brightness irradiance of the target. The desired spatial pattern of irradiance on the target is likewise formed with material elements and then imaged onto the target. Fluences some 2-3 orders of magnitude above those available under the conventional art may be thus obtained with an output brightness better by some six orders of magnitude.

3. 发明授权

US10475541B2 Simple and robust implosion of ICF targets 有权
公开(公告)号：US10475541B2
公开(公告)日：2019-11-12
申请号：US15412665
申请日：2017-01-23
申请人： Innoven Energy, LLC
发明人： Conner D. Galloway , Alexander V. Valys , Robert O. Hunter, Jr. , David H. Sowle
IPC分类号： G21B1/19 , G21B1/03 , G21B1/23
摘要： A method of imploding an Inertial Confinement Fusion (ICF) target may include directing laser energy into a hohlraum, where a target is disposed within the hohlraum that includes an ablator layer, a shell disposed within the ablator layer, and a fuel region disposed within the shell. The method may also include ablating the ablator layer in response to the laser energy being directed into the hohlraum, and generating a single shockwave that is driven inward through the ablator layer. The method may further include impulsively accelerating the shell inward when hit by the single shockwave, and compressing the fuel region by the inward acceleration of the shell.

4. 发明授权

US10755820B2 Structure for containment of radiation from an ICF 有权
公开(公告)号：US10755820B2
公开(公告)日：2020-08-25
申请号：US15412767
申请日：2017-01-23
申请人： Innoven Energy, LLC
发明人： Conner D. Galloway , Alexander V. Valys , Robert O. Hunter, Jr. , David H. Sowle
IPC分类号： G21B1/03
摘要： A method of using an ICF chamber may include causing a target in the ICF chamber to emit x-ray radiation; receiving the x-ray radiation through a plurality of holes in a wall of the ICF chamber; and absorbing the x-ray radiation in a gas contained in a plurality of tubes that are coupled to the plurality of holes.

5. 发明授权

US10211588B2 Optical configurations for fusion laser 有权
公开(公告)号：US10211588B2
公开(公告)日：2019-02-19
申请号：US15825413
申请日：2017-11-29
申请人： INNOVEN ENERGY LLC
发明人： Robert O. Hunter, Jr.
IPC分类号： H01S3/00 , H01S3/102 , H01S3/094 , H01S3/108 , H01S3/08 , H01S3/10 , G21B1/23 , H01S3/23 , H01S3/30 , G21B1/03
摘要： Embodiments include an optical configuration of a laser for driving an inertial confinement target that may include a section configured to generate long pulse laser light (Primary Laser Source) and then to compress the long pulse with multiple compression stages to a desired pulse length, energy, and beam quality (Compression Section). These configurations can utilize compression stages that do not include any material optics operating near damage fluence, and that do not require material optics exposed to high fluences to couple compression stages to each other.

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