Country
Full text data for US,EP,CN
Type
Legal Validity
Legal Status
Filing Date
Publication Date
Inventor
Assignee
Click to expand
IPC(Section)
IPC(Class)
IPC(Subclass)
IPC(Group)
IPC(Subgroup)
Agent
Agency
Claims Number
Figures Number
Citation Number of Times
Assignee Number
No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
Application Number Application Number Filing Date Filing Date
Inventor Inventor Assignee Assignee IPC IPC
1 US10557927B2
Ladar range rate estimation using pulse frequency shift
Publication/Patent Number: US10557927B2 Publication Date: 2020-02-11 Application Number: 15/490,855 Filing Date: 2017-04-18 Inventor: Marron, Joseph   Zellinger, Louis   Newman, Arthur M.   Kaganovich, Vitaliy M.   Assignee: RAYTHEON COMPANY   IPC: G01S7/48 Abstract: A system and method for forming a range rate estimate for a target with a laser detection and ranging system including a laser transmitter and an array detector. The method includes: transmitting a plurality of laser pulses at a pulse repetition frequency; forming a one dimensional time series array corresponding to a time record of ladar return photons detected with the array detector; fitting the time series array with a superposition of a sine and a cosine of an initial value of a tentative frequency; iteratively fitting the time series array with a superposition of a sine and a cosine of the tentative frequency, and adjusting the tentative frequency until a completion criterion is satisfied at a final value of the tentative frequency. A system and method for forming a range rate estimate for a target with a laser detection and ranging system including a laser transmitter and an array detector. The method includes: transmitting a plurality of laser pulses at a pulse repetition frequency; forming a one ...More ...Less
2 US2019072651A1
LADAR SYSTEM SUPPORTING DOUBLET WAVEFORM FOR SEQUENTIAL IN-PHASE (I) AND QUADRATURE (Q) PROCESSING
Publication/Patent Number: US2019072651A1 Publication Date: 2019-03-07 Application Number: 15/698,381 Filing Date: 2017-09-07 Inventor: Halmos, Maurice J.   Marron, Joseph   Kyung, Jae H.   Assignee: Raytheon Company   IPC: G01S7/486 Abstract: A method includes generating a first optical signal containing doublet pulses. Each doublet pulse includes a first pulse and a second pulse. The second pulses of the doublet pulses are in quadrature with the first pulses of the doublet pulses. The method also includes transmitting the first optical signal towards a target and receiving a second optical signal containing reflected doublet pulses from the target. Each reflected doublet pulse includes a first reflected pulse and a second reflected pulse. The method further includes performing in-phase and quadrature processing of the first and second reflected pulses and identifying one or more parameters of the target based on the in-phase and quadrature processing. A method includes generating a first optical signal containing doublet pulses. Each doublet pulse includes a first pulse and a second pulse. The second pulses of the doublet pulses are in quadrature with the first pulses of the doublet pulses. The method also includes ...More ...Less
3 EP3430425B1
LASER BEAM PROJECTION SYSTEM WITH DYNAMIC PHASE COMPENSATION
Publication/Patent Number: EP3430425B1 Publication Date: 2019-10-30 Application Number: 16806395.6 Filing Date: 2016-11-17 Inventor: Marron, Joseph   Halmos, Maurice J.   Grayer, Justin S.   Erten, Gamze   Sitter, Jr. David N.   Assignee: Raytheon Company   IPC: G01S17/58
4 US2019265362A1
LASER BEAM PROJECTION SYSTEM WITH DYNAMIC PHASE COMPENSATION
Publication/Patent Number: US2019265362A1 Publication Date: 2019-08-29 Application Number: 16/403,821 Filing Date: 2019-05-06 Inventor: Marron, Joseph   Halmos, Maurice J.   Grayer, Justin S.   Erten, Gamze   Sitter, Jr. David N.   Assignee: Raytheon Company   IPC: G01S17/89 Abstract: An apparatus includes at least one processor configured to determine a wavefront phase profile of return illumination reflected from a remote object, where the wavefront phase profile is based on interference between Doppler-shifted local oscillator (LO) illumination and the return illumination. The at least one processor is also configured to calculate a wavefront error based on a comparison between (i) the determined wavefront phase profile of the return illumination and (ii) a desired wavefront phase profile of a high energy laser (HEL) beam. The at least one processor is further configured to control a deformable mirror to at least partially compensate the HEL beam for the calculated wavefront error. An apparatus includes at least one processor configured to determine a wavefront phase profile of return illumination reflected from a remote object, where the wavefront phase profile is based on interference between Doppler-shifted local oscillator (LO) illumination and the ...More ...Less
5 US10401499B2
Laser beam projection system with dynamic phase compensation
Publication/Patent Number: US10401499B2 Publication Date: 2019-09-03 Application Number: 15/072,214 Filing Date: 2016-03-16 Inventor: Marron, Joseph   Halmos, Maurice J.   Grayer, Justin S.   Erten, Gamze   Sitter, Jr. David N.   Assignee: Raytheon Company   IPC: H04N7/18 Abstract: A laser beam projection system builds on a coherent imaging to project a tightly focused laser beam onto a remote object. Coherent flood illumination and local oscillator (LO) illumination are based on one master oscillator. The coherent flood illumination is directed toward a remote object, with a second laser beam directed onto an aimpoint on the same object. A Doppler sensor provides Doppler shift data used to produce Doppler-shifted LO illumination received by a focal plane array, together with the return flood illumination. Interference between the Doppler-shifted LO illumination and the return flood illumination facilitates imaging the object despite the velocity. The wavefront error of the flood illumined remote object image is computed and compared to the desired wavefront of the second laser beam at the aimpoint, with the difference applied to a deformable mirror to shape the second laser beam wavefront for obtaining a desired aimpoint intensity profile. A laser beam projection system builds on a coherent imaging to project a tightly focused laser beam onto a remote object. Coherent flood illumination and local oscillator (LO) illumination are based on one master oscillator. The coherent flood illumination is directed toward a ...More ...Less
6 EP3430425A1
LASER BEAM PROJECTION SYSTEM WITH DYNAMIC PHASE COMPENSATION
Publication/Patent Number: EP3430425A1 Publication Date: 2019-01-23 Application Number: 16806395.6 Filing Date: 2016-11-17 Inventor: Marron, Joseph   Halmos, Maurice J.   Grayer, Justin S.   Erten, Gamze   Sitter, Jr. David N.   Assignee: Raytheon Company   IPC: G01S17/58
7 US10502951B2
High-performance beam director for high-power laser systems or other systems
Publication/Patent Number: US10502951B2 Publication Date: 2019-12-10 Application Number: 15/176,009 Filing Date: 2016-06-07 Inventor: Sitter, Jr. David N.   Marron, Joseph   Halmos, Maurice J.   Ichkhan, Joseph J.   Grayer, Justin S.   Erten, Gamze   Assignee: Raytheon Company   IPC: G02B27/00 Abstract: An apparatus includes a wavefront sensor configured to receive coherent flood illumination that is reflected from a remote object and to estimate wavefront errors associated with the coherent flood illumination. The apparatus also includes a beam director optically coupled to the wavefront sensor and having a telescope and an auto-alignment system. The auto-alignment system is configured to adjust at least one first optical device in order to alter a line-of-sight of the wavefront sensor. The wavefront errors estimated by the wavefront sensor include a wavefront error resulting from the adjustment of the at least one first optical device. The beam director could further include at least one second optical device configured to correct for the wavefront errors. The at least one second optical device could include at least one deformable mirror. An apparatus includes a wavefront sensor configured to receive coherent flood illumination that is reflected from a remote object and to estimate wavefront errors associated with the coherent flood illumination. The apparatus also includes a beam director optically coupled to ...More ...Less
8 EP3465272A1
HIGH-PERFORMANCE BEAM DIRECTOR FOR HIGH-POWER LASER SYSTEMS OR OTHER SYSTEMS
Publication/Patent Number: EP3465272A1 Publication Date: 2019-04-10 Application Number: 17713501.9 Filing Date: 2017-02-24 Inventor: Sitter, Jr. David N.   Marron, Joseph   Halmos, Maurice J.   Ichkhan, Joseph J.   Grayer, Justin S.   Erten, Gamze   Assignee: Raytheon Company   IPC: G01S17/66
9 US2018172806A1
COHERENT LADAR USING INTRA-PIXEL QUADRATURE DETECTION
Publication/Patent Number: US2018172806A1 Publication Date: 2018-06-21 Application Number: 15/887,842 Filing Date: 2018-02-02 Inventor: Marron, Joseph   Assignee: Raytheon Company   IPC: G01S7/491 Abstract: A frequency modulated (coherent) laser detection and ranging system includes a read-out integrated circuit formed with a two-dimensional array of detector elements each including a photosensitive region receiving both return light reflected from a target and light from a local oscillator, and local processing circuitry sampling the output of the photosensitive region four times during each sample period clock cycle to obtain quadrature components. A data bus coupled to one or more outputs of each of the detector elements receives the quadrature components from each of the detector elements for each sample period and serializes the received quadrature components. A processor coupled to the data bus receives the serialized quadrature components and determines an amplitude and a phase for at least one interfering frequency corresponding to interference between the return light and the local oscillator light using the quadrature components. A frequency modulated (coherent) laser detection and ranging system includes a read-out integrated circuit formed with a two-dimensional array of detector elements each including a photosensitive region receiving both return light reflected from a target and light from a local ...More ...Less
10 EP3268771A1
COHERENT LADAR USING INTRA-PIXEL QUADRATURE DETECTION
Publication/Patent Number: EP3268771A1 Publication Date: 2018-01-17 Application Number: 16708320.3 Filing Date: 2016-02-23 Inventor: Marron, Joseph   Assignee: Raytheon Company   IPC: G01S7/486
11 US10000000B2
Coherent LADAR using intra-pixel quadrature detection
Publication/Patent Number: US10000000B2 Publication Date: 2018-06-19 Application Number: 14/643,719 Filing Date: 2015-03-10 Inventor: Marron, Joseph   Assignee: Raytheon Company   IPC: G01S13/89 Abstract: A frequency modulated (coherent) laser detection and ranging system includes a read-out integrated circuit formed with a two-dimensional array of detector elements each including a photosensitive region receiving both return light reflected from a target and light from a local oscillator, and local processing circuitry sampling the output of the photosensitive region four times during each sample period clock cycle to obtain quadrature components. A data bus coupled to one or more outputs of each of the detector elements receives the quadrature components from each of the detector elements for each sample period and serializes the received quadrature components. A processor coupled to the data bus receives the serialized quadrature components and determines an amplitude and a phase for at least one interfering frequency corresponding to interference between the return light and the local oscillator light using the quadrature components. A frequency modulated (coherent) laser detection and ranging system includes a read-out integrated circuit formed with a two-dimensional array of detector elements each including a photosensitive region receiving both return light reflected from a target and light from a local ...More ...Less
12 US2018299536A1
LADAR RANGE RATE ESTIMATION USING PULSE FREQUENCY SHIFT
Publication/Patent Number: US2018299536A1 Publication Date: 2018-10-18 Application Number: 15/490,855 Filing Date: 2017-04-18 Inventor: Marron, Joseph   Zellinger, Louis   Newman, Arthur M.   Kaganovich, Vitaliy M.   Assignee: RAYTHEON COMPANY   IPC: G01S7/486 Abstract: A system and method for forming a range rate estimate for a target with a laser detection and ranging system including a laser transmitter and an array detector. The method includes: transmitting a plurality of laser pulses at a pulse repetition frequency; forming a one dimensional time series array corresponding to a time record of ladar return photons detected with the array detector; fitting the time series array with a superposition of a sine and a cosine of an initial value of a tentative frequency; iteratively fitting the time series array with a superposition of a sine and a cosine of the tentative frequency, and adjusting the tentative frequency until a completion criterion is satisfied at a final value of the tentative frequency. A system and method for forming a range rate estimate for a target with a laser detection and ranging system including a laser transmitter and an array detector. The method includes: transmitting a plurality of laser pulses at a pulse repetition frequency; forming a one ...More ...Less
13 EP1794852B1
OPTICAL FEEDBACK FROM MODE-SELECTIVE TUNER
Publication/Patent Number: EP1794852B1 Publication Date: 2018-09-05 Application Number: 05798916.2 Filing Date: 2005-09-20 Inventor: Dunn, Thomas J   Farmiga, Nestor O   Kulawiec, Andrew W   Marron, Joseph C   Assignee: Corning Incorporated   IPC: G01B9/02
14 US2018267299A1
HIGH-PERFORMANCE BEAM DIRECTOR FOR HIGH-POWER LASER SYSTEMS OR OTHER SYSTEMS
Publication/Patent Number: US2018267299A1 Publication Date: 2018-09-20 Application Number: 15/176,009 Filing Date: 2016-06-07 Inventor: Sitter, Jr. David N.   Marron, Joseph   Halmos, Maurice J.   Lchkhan, Joseph J.   Grayer, Justin S.   Erten, Gamze   Assignee: Raytheon Company   IPC: G02B27/00 Abstract: An apparatus includes a wavefront sensor configured to receive coherent flood illumination that is reflected from a remote object and to estimate wavefront errors associated with the coherent flood illumination. The apparatus also includes a beam director optically coupled to the wavefront sensor and having a telescope and an auto-alignment system. The auto-alignment system is configured to adjust at least one first optical device in order to alter a line-of-sight of the wavefront sensor. The wavefront errors estimated by the wavefront sensor include a wavefront error resulting from the adjustment of the at least one first optical device. The beam director could further include at least one second optical device configured to correct for the wavefront errors. The at least one second optical device could include at least one deformable mirror. An apparatus includes a wavefront sensor configured to receive coherent flood illumination that is reflected from a remote object and to estimate wavefront errors associated with the coherent flood illumination. The apparatus also includes a beam director optically coupled to ...More ...Less
15 US2017269214A1
LASER BEAM PROJECTION SYSTEM WITH DYNAMIC PHASE COMPENSATION
Publication/Patent Number: US2017269214A1 Publication Date: 2017-09-21 Application Number: 15/072,214 Filing Date: 2016-03-16 Inventor: Marron, Joseph   Halmos, Maurice J.   Grayer, Justin S.   Erten, Gamze   Sitter, Jr. David N.   Assignee: Raytheon Company   IPC: G01S17/89 Abstract: A laser beam projection system builds on a coherent imaging to project a tightly focused laser beam onto a remote object. Coherent flood illumination and local oscillator (LO) illumination are based on one master oscillator. The coherent flood illumination is directed toward a remote object, with a second laser beam directed onto an aimpoint on the same object. A Doppler sensor provides Doppler shift data used to produce Doppler-shifted LO illumination received by a focal plane array, together with the return flood illumination. Interference between the Doppler-shifted LO illumination and the return flood illumination facilitates imaging the object despite the velocity. The wavefront error of the flood illumined remote object image is computed and compared to the desired wavefront of the second laser beam at the aimpoint, with the difference applied to a deformable mirror to shape the second laser beam wavefront for obtaining a desired aimpoint intensity profile. A laser beam projection system builds on a coherent imaging to project a tightly focused laser beam onto a remote object. Coherent flood illumination and local oscillator (LO) illumination are based on one master oscillator. The coherent flood illumination is directed toward a ...More ...Less
16 US2017192094A1
SYSTEM FOR COHERENT IMAGING IN DYNAMIC ENGAGEMENTS
Publication/Patent Number: US2017192094A1 Publication Date: 2017-07-06 Application Number: 14/988,476 Filing Date: 2016-01-05 Inventor: Marron, Joseph   Halmos, Maurice J.   Grayer, Justin S.   Sitter, Jr. David N.   Erten, Gamze   Assignee: Raytheon Company   IPC: G01S17/89 Abstract: A coherent imaging system produces coherent flood illumination directed toward a remote object and local oscillator (LO) illumination derived based on a same master oscillator as the flood illumination. A Doppler sensor receives the LO illumination and a return of flood illumination reflected off the object. Doppler shift data from the Doppler sensor, corresponding to a longitudinal velocity of the object relative to the imaging system, is used to produce Doppler-shifted LO illumination received by a low bandwidth, large format focal plane array (FPA), together with the return illumination from the object. Interference between the Doppler-shifted LO illumination and the return illumination facilitates producing an image of the object with the low bandwidth FPA despite the longitudinal velocity. Pixel intensities from the FPA are integrated over a period approaching the maximum interference frequency. The Doppler sensor and FPA may concurrently process return for a high energy laser target spot. A coherent imaging system produces coherent flood illumination directed toward a remote object and local oscillator (LO) illumination derived based on a same master oscillator as the flood illumination. A Doppler sensor receives the LO illumination and a return of flood ...More ...Less
17 WO2017160352A1
LASER BEAM PROJECTION SYSTEM WITH DYNAMIC PHASE COMPENSATION
Publication/Patent Number: WO2017160352A1 Publication Date: 2017-09-21 Application Number: 2016062624 Filing Date: 2016-11-17 Inventor: Sitter, Jr David N   Erten, Gamze   Halmos, Maurice J   Marron, Joseph   Grayer, Justin S   Assignee: Raytheon Company   IPC: F41H13/00 Abstract: A laser beam projection system (100
18 WO2017213722A1
HIGH-PERFORMANCE BEAM DIRECTOR FOR HIGH-POWER LASER SYSTEMS OR OTHER SYSTEMS
Publication/Patent Number: WO2017213722A1 Publication Date: 2017-12-14 Application Number: 2017019350 Filing Date: 2017-02-24 Inventor: Sitter, Jr David N   Erten, Gamze   Halmos, Maurice J   Ichkhan, Joseph J   Marron, Joseph   Grayer, Justin S   Assignee: Raytheon Company   IPC: F41H13/00