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公开(公告)号:US10180496B2
公开(公告)日:2019-01-15
申请号:US13841115
申请日:2013-03-15
发明人: Daniel G. Smith , Eric Peter Goodwin , Anthony R. Slotwinski , Mina A. Rezk , Alexander Cooper , Thomas M. Hedges
摘要: Laser radar systems include a pentaprism configured to scan a measurement beam with respect to a target surface. A focusing optical assembly includes a corner cube that is used to adjust measurement beam focus. Target distance is estimated based on heterodyne frequencies between a return beam and a local oscillator beam. The local oscillator beam is configured to propagate to and from the focusing optical assembly before mixing with the return beam. In some examples, heterodyne frequencies are calibrated with respect to target distance using a Fabry-Perot interferometer having mirrors fixed to a lithium aluminosilicate glass-ceramic tube.
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公开(公告)号:US20170168143A1
公开(公告)日:2017-06-15
申请号:US15443967
申请日:2017-02-27
发明人: Mina A. Rezk , Anthony R. Slotwinski , Daniel G. Smith , Eric Peter Goodwin , Alexander Cooper , Thomas M. Hedges
CPC分类号: G01S17/325 , G01B9/02007 , G01S7/4812 , G01S7/4817 , G01S7/4818 , G01S7/4917 , G01S7/497 , G01S17/42 , G01S17/66
摘要: Laser radar systems include a pentaprism configured to scan a measurement beam with respect to a target surface. A focusing optical assembly includes a corner cube that is used to adjust measurement beam focus. Target distance is estimated based on heterodyne frequencies between a return beam and a local oscillator beam. The local oscillator beam is configured to propagate to and from the focusing optical assembly before mixing with the return beam. In some examples, heterodyne frequencies are calibrated with respect to target distance using a Fabry-Perot interferometer having mirrors fixed to a lithium aluminosilicate glass-ceramic tube.
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公开(公告)号:US20150177379A1
公开(公告)日:2015-06-25
申请号:US13841115
申请日:2013-03-15
发明人: Daniel G. Smith , Eric Peter Goodwin , Anthony R. Slotwinski , Mina A. Rezk , Alexander Cooper , Thomas M. Hedges
CPC分类号: G01S17/325 , G01B9/02007 , G01S7/4812 , G01S7/4817 , G01S7/4818 , G01S7/4917 , G01S7/497 , G01S17/42 , G01S17/66
摘要: Laser radar systems include a pentaprism configured to scan a measurement beam with respect to a target surface. A focusing optical assembly includes a corner cube that is used to adjust measurement beam focus. Target distance is estimated based on heterodyne frequencies between a return beam and a local oscillator beam. The local oscillator beam is configured to propagate to and from the focusing optical assembly before mixing with the return beam. In some examples, heterodyne frequencies are calibrated with respect to target distance using a Fabry-Perot interferometer having mirrors fixed to a lithium aluminosilicate glass-ceramic tube.
摘要翻译: 激光雷达系统包括配置成相对于目标表面扫描测量光束的五棱镜。 聚焦光学组件包括用于调节测量光束聚焦的角立方体。 基于返回波束和本地振荡器波束之间的外差频率来估计目标距离。 本地振荡器束配置成在与返回光束混合之前传播到聚焦光学组件和/或从聚焦光学组件传播。 在一些示例中,使用具有固定到铝硅酸锂玻璃 - 陶瓷管的镜子的法布里 - 珀罗干涉仪来校准相对于目标距离的外差频率。
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公开(公告)号:US09638799B2
公开(公告)日:2017-05-02
申请号:US13840658
申请日:2013-03-15
发明人: Eric Peter Goodwin , Daniel G. Smith , Alexander Cooper , Mina A. Rezk , Anthony R. Slotwinski , Thomas M. Hedges
CPC分类号: G01S17/102 , G01S7/4812 , G01S7/4817 , G01S7/4818 , G01S7/4917 , G01S17/325 , G01S17/66 , G02B26/101 , G02B26/108
摘要: Laser radar systems include a pentaprism configured to scan a measurement beam with respect to a target surface. A focusing optical assembly includes a corner cube that is used to adjust measurement beam focus. Target distance is estimated based on heterodyne frequencies between a return beam and a local oscillator beam. The local oscillator beam is configured to propagate to and from the focusing optical assembly before mixing with the return beam. In some examples, heterodyne frequencies are calibrated with respect to target distance using a Fabry-Perot interferometer having mirrors fixed to a lithium aluminosilicate glass-ceramic tube.
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公开(公告)号:US10139492B2
公开(公告)日:2018-11-27
申请号:US15443967
申请日:2017-02-27
发明人: Mina A. Rezk , Anthony R. Slotwinski , Daniel G. Smith , Eric Peter Goodwin , Alexander Cooper , Thomas M. Hedges
摘要: Laser radar systems include a pentaprism configured to scan a measurement beam with respect to a target surface. A focusing optical assembly includes a corner cube that is used to adjust measurement beam focus. Target distance is estimated based on heterodyne frequencies between a return beam and a local oscillator beam. The local oscillator beam is configured to propagate to and from the focusing optical assembly before mixing with the return beam. In some examples, heterodyne frequencies are calibrated with respect to target distance using a Fabry-Perot interferometer having mirrors fixed to a lithium aluminosilicate glass-ceramic tube.
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公开(公告)号:US09618619B2
公开(公告)日:2017-04-11
申请号:US13841021
申请日:2013-03-15
发明人: Mina A. Rezk , Anthony R. Slotwinski , Daniel G. Smith , Eric Peter Goodwin , Alexander Cooper , Thomas M. Hedges
CPC分类号: G01S17/325 , G01B9/02007 , G01S7/4812 , G01S7/4817 , G01S7/4818 , G01S7/4917 , G01S7/497 , G01S17/42 , G01S17/66
摘要: Laser radar systems include a pentaprism configured to scan a measurement beam with respect to a target surface. A focusing optical assembly includes a corner cube that is used to adjust measurement beam focus. Target distance is estimated based on heterodyne frequencies between a return beam and a local oscillator beam. The local oscillator beam is configured to propagate to and from the focusing optical assembly before mixing with the return beam. In some examples, heterodyne frequencies are calibrated with respect to target distance using a Fabry-Perot interferometer having mirrors fixed to a lithium aluminosilicate glass-ceramic tube.
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公开(公告)号:US20150355327A1
公开(公告)日:2015-12-10
申请号:US13840658
申请日:2013-03-15
发明人: Eric Peter Goodwin , Daniel G. Smith , Alexander Cooper , Mina A. Rezk , Anthony R. Slotwinski , Thomas M. Hedges
CPC分类号: G01S17/102 , G01S7/4812 , G01S7/4817 , G01S7/4818 , G01S7/4917 , G01S17/325 , G01S17/66 , G02B26/101 , G02B26/108
摘要: Laser radar systems include a pentaprism configured to scan a measurement beam with respect to a target surface. A focusing optical assembly includes a corner cube that is used to adjust measurement beam focus. Target distance is estimated based on heterodyne frequencies between a return beam and a local oscillator beam. The local oscillator beam is configured to propagate to and from the focusing optical assembly before mixing with the return beam. In some examples, heterodyne frequencies are calibrated with respect to target distance using a Fabry-Perot interferometer having mirrors fixed to a lithium aluminosilicate glass-ceramic tube.
摘要翻译: 激光雷达系统包括配置成相对于目标表面扫描测量光束的五棱镜。 聚焦光学组件包括用于调节测量光束聚焦的角立方体。 基于返回波束和本地振荡器波束之间的外差频率来估计目标距离。 本地振荡器束配置成在与返回光束混合之前传播到聚焦光学组件和/或从聚焦光学组件传播。 在一些示例中,使用具有固定到铝硅酸锂玻璃 - 陶瓷管的镜子的法布里 - 珀罗干涉仪来校准相对于目标距离的外差频率。
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公开(公告)号:US20150268344A1
公开(公告)日:2015-09-24
申请号:US13841021
申请日:2013-03-15
发明人: Mina A. Rezk , Anthony R. Slotwinski , Daniel G. Smith , Eric Peter Goodwin , Alexander Cooper , Thomas M. Hedges
CPC分类号: G01S17/325 , G01B9/02007 , G01S7/4812 , G01S7/4817 , G01S7/4818 , G01S7/4917 , G01S7/497 , G01S17/42 , G01S17/66
摘要: Laser radar systems include a pentaprism configured to scan a measurement beam with respect to a target surface. A focusing optical assembly includes a corner cube that is used to adjust measurement beam focus. Target distance is estimated based on heterodyne frequencies between a return beam and a local oscillator beam. The local oscillator beam is configured to propagate to and from the focusing optical assembly before mixing with the return beam. In some examples, heterodyne frequencies are calibrated with respect to target distance using a Fabry-Perot interferometer having mirrors fixed to a lithium aluminosilicate glass-ceramic tube.
摘要翻译: 激光雷达系统包括配置成相对于目标表面扫描测量光束的五棱镜。 聚焦光学组件包括用于调节测量光束聚焦的角立方体。 基于返回波束和本地振荡器波束之间的外差频率来估计目标距离。 本地振荡器束配置成在与返回光束混合之前传播到聚焦光学组件和/或从聚焦光学组件传播。 在一些示例中,使用具有固定到铝硅酸锂玻璃 - 陶瓷管的镜子的法布里 - 珀罗干涉仪来校准相对于目标距离的外差频率。
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公开(公告)号:US20140152972A1
公开(公告)日:2014-06-05
申请号:US13833726
申请日:2013-03-15
申请人: Lori L Watson , NIKON CORPORATION
CPC分类号: F16H35/06 , G01S7/4813 , G01S7/4818 , G01S7/4972 , G02B7/08 , G02B7/1805 , Y10T29/49 , Y10T74/18888
摘要: Focus arrangements for laser radar and other applications provide compensation of orientation-dependent gravitational forces. A linear stage can be preloaded and provided with balanced linear encoders so that gravitational force induced pitch, yaw, and roll can be reduced, detected, or compensated. Alternatively, movable focus elements can be secured to actuator driven spring assemblies that are controlled to compensate orientation-dependent gravitational forces.
摘要翻译: 激光雷达和其他应用的焦点安排提供了取向相关重力的补偿。 可以对线性平台进行预加载并提供平衡线性编码器,以便减少,检测或补偿重力引起的俯仰,偏航和滚动。 或者,可移动聚焦元件可以固定到被控制以补偿取向相关重力的致动器驱动的弹簧组件。
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公开(公告)号:US20130241762A1
公开(公告)日:2013-09-19
申请号:US13840686
申请日:2013-03-15
申请人: NIKON CORPORATION
CPC分类号: G02B26/10 , G01B11/24 , G01C3/08 , G01S7/4812 , G01S7/4817 , G01S13/865 , G01S17/42 , G02B5/122 , G02B26/103
摘要: A light beam is scanned, for use in laser radar and other uses, by an optical system of which an example includes a beam-shaping optical system that includes a first movable optical element and a second movable optical element. The first optical element forms and directs an optical beam along a nominal propagation axis from the beam-shaping optical system to a target, and the second optical element includes a respective actuator by which the second optical element is movable relative to the first optical element. A controller is coupled at least to the actuator of the second optical element and is configured to induce motion, by the actuator, of the second optical element to move the optical beam, as incident on the target, relative to the nominal propagation axis.
摘要翻译: 通过光学系统扫描光束,用于激光雷达和其它用途,该系统的示例包括包括第一可移动光学元件和第二可移动光学元件的光束整形光学系统。 第一光学元件沿着标称传播轴从光束整形光学系统形成并引导光束到目标,并且第二光学元件包括相应致动器,第二光学元件可以通过该致动器相对于第一光学元件移动。 控制器至少耦合到第二光学元件的致动器,并且被配置为通过致动器引起第二光学元件的运动,以相对于标称传播轴线将入射到靶上的光束移动。
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