Photonic Doppler velocimetry lens array probe incorporating stereo imaging

Malone, Robert M.; Kaufman, Morris I.

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A - human necessities
A01 - agriculture
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Title: Photonic Doppler velocimetry lens array probe incorporating stereo imaging

Abstract

A probe including a multiple lens array is disclosed to measure velocity distribution of a moving surface along many lines of sight. Laser light, directed to the moving surface is reflected back from the surface and is Doppler shifted, collected into the array, and then directed to detection equipment through optic fibers. The received light is mixed with reference laser light and using photonic Doppler velocimetry, a continuous time record of the surface movement is obtained. An array of single-mode optical fibers provides an optic signal to the multiple lens array. Numerous fibers in a fiber array project numerous rays to establish many measurement points at numerous different locations. One or more lens groups may be replaced with imaging lenses so a stereo image of the moving surface can be recorded. Imaging a portion of the surface during initial travel can determine whether the surface is breaking up.

Inventors:: Malone, Robert M.; Kaufman, Morris I.

Issue Date:: Tue Sep 01 00:00:00 EDT 2015

Research Org.:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1213454

Patent Number(s):: 9121861

Application Number:: 14/214,234

Assignee:: National Security Technologies, LLC (Las Vegas, NV)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT

G - PHYSICS G01 - MEASURING G01P - MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK

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G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
G01J7/00 - Measuring velocity of light

G - PHYSICS G01 - MEASURING G01P - MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK
G01P3/36 - Devices characterised by the use of optical means, e.g. using infra-red, visible, or ultra-violet light

G - PHYSICS G01 - MEASURING G01S - RADIO DIRECTION-FINDING
G01S17/58 - Velocity or trajectory determination systems
G01S17/89 - for mapping or imaging
G01S7/4812 - {transmitted and received beams following a coaxial path}
G01S7/4813 - {Housing arrangements}
G01S7/4818 - {using optical fibres}
G01S7/4917 - {superposing optical signals in a photodetector, e.g. optical heterodyne detection}

G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
G02B6/322 - {and having centering means being part of the lens for the self-positioning of the lightguide at the focal point, e.g. holes, wells, indents, nibs}
G02B6/34 - utilising prism or grating {

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DOE Contract Number:: AC52-06NA25946

Resource Type:: Patent

Resource Relation:: Patent File Date: 2014 Mar 14

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats


                    Malone, Robert M., and Kaufman, Morris I. Photonic Doppler velocimetry lens array probe incorporating stereo imaging.  United States: N. p., 2015. 
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                    Malone, Robert M., & Kaufman, Morris I. Photonic Doppler velocimetry lens array probe incorporating stereo imaging.  United States.

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                    Malone, Robert M., and Kaufman, Morris I. Tue .  
        "Photonic Doppler velocimetry lens array probe incorporating stereo imaging".  United States.  https://www.osti.gov/servlets/purl/1213454.

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@article{osti_1213454,

  title        = {Photonic Doppler velocimetry lens array probe incorporating stereo imaging},

  author       = {Malone, Robert M. and Kaufman, Morris I.},

  abstractNote = {A probe including a multiple lens array is disclosed to measure velocity distribution of a moving surface along many lines of sight. Laser light, directed to the moving surface is reflected back from the surface and is Doppler shifted, collected into the array, and then directed to detection equipment through optic fibers. The received light is mixed with reference laser light and using photonic Doppler velocimetry, a continuous time record of the surface movement is obtained. An array of single-mode optical fibers provides an optic signal to the multiple lens array. Numerous fibers in a fiber array project numerous rays to establish many measurement points at numerous different locations. One or more lens groups may be replaced with imaging lenses so a stereo image of the moving surface can be recorded. Imaging a portion of the surface during initial travel can determine whether the surface is breaking up.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Sep 01 00:00:00 EDT 2015},

  month        = {Tue Sep 01 00:00:00 EDT 2015}

}

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Title: Photonic Doppler velocimetry lens array probe incorporating stereo imaging

Abstract

Citation Formats

Catadioptric Projector patent, December 1922

Vehicle Tail, Stop and Turn Signal Lamp patent, July 1957

Laser Doppler Velocimetry patent, February 1975

Method and apparatus for measuring retinal blood flow patent, September 1979

Method and apparatus for measuring retinal blood flow patent, August 1982

Laser telemetry and Doppler measurement system with pulse compression patent, May 1988

Laser-doppler velocimetry patent, April 1989

Identification system using a laser retro-reflecting and modulating set patent, December 1989

Optical fiber sensor patent, February 1990

Apparatus for the optical measurement of spectra distribution patent, May 1990

Optical equipment of fiber laser Doppler velocimeter patent, May 1991

Matching optics for gaussian beams patent, August 1991

Catadioptric conically scanning telescope patent, December 1991

Method and system of help-information control patent, January 1996

Laser doppler velocimeter patent, December 1996

Doppler velocimeter and various kinds of apparatuses for signal processing thereof patent, September 1998

Signal formation apparatus for use in interference measurement patent, June 2000

Planar particle imaging and doppler velocimetry system and method patent, April 2003

Planar light sheet probes patent, July 2004

Doppler tracking optical monopulse patent, July 2008

Remote lens unit assembly for laser doppler velocimeter patent, February 2012

Multipoint photonic doppler velocimetry using optical lens elements patent, April 2014

Lens array for use with array of fibers patent-application, December 2003

Remote imaging apparatus having an adaptive lens patent-application, July 2007

Studies of the wind filtering effect of gravity waves observed at Allahabad (25.45°N, 81.85°E) in India journal, March 2010

Catadioptric Projector
patent, December 1922

Vehicle Tail, Stop and Turn Signal Lamp
patent, July 1957

Laser Doppler Velocimetry
patent, February 1975

Method and apparatus for measuring retinal blood flow
patent, September 1979

Method and apparatus for measuring retinal blood flow
patent, August 1982

Laser telemetry and Doppler measurement system with pulse compression
patent, May 1988

Laser-doppler velocimetry
patent, April 1989

Identification system using a laser retro-reflecting and modulating set
patent, December 1989

Optical fiber sensor
patent, February 1990

Apparatus for the optical measurement of spectra distribution
patent, May 1990

Optical equipment of fiber laser Doppler velocimeter
patent, May 1991

Matching optics for gaussian beams
patent, August 1991

Catadioptric conically scanning telescope
patent, December 1991

Method and system of help-information control
patent, January 1996

Laser doppler velocimeter
patent, December 1996

Doppler velocimeter and various kinds of apparatuses for signal processing thereof
patent, September 1998

Signal formation apparatus for use in interference measurement
patent, June 2000

Planar particle imaging and doppler velocimetry system and method
patent, April 2003

Planar light sheet probes
patent, July 2004

Doppler tracking optical monopulse
patent, July 2008

Remote lens unit assembly for laser doppler velocimeter
patent, February 2012

Multipoint photonic doppler velocimetry using optical lens elements
patent, April 2014

Lens array for use with array of fibers
patent-application, December 2003

Remote imaging apparatus having an adaptive lens
patent-application, July 2007

Studies of the wind filtering effect of gravity waves observed at Allahabad (25.45°N, 81.85°E) in India
journal, March 2010