Dr. Robert P. Dahlgren Profile

Dr. Robert P. Dahlgren

Sr. Research Scientist at NASA Ames Research Ctr.

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 6 September 2019 Paper

Polarization to estimate leaf surface reflectance

Vern Vanderbilt, Craig Daughtry, Robert Dahlgren

Proc. SPIE. 11132, Polarization Science and Remote Sensing IX

KEYWORDS: Polarization, Reflection, Calibration, Light scattering, Reflectivity, Polarizers, Photochemistry, Absorption

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Proceedings Article | 30 August 2017 Paper

Estimating the relative water content of leaves in a cotton canopy

Vern Vanderbilt, Craig Daughtry, Meredith Kupinski, Christine Bradley, Andrew French, Kevin Bronson, Russell Chipman, Robert Dahlgren

Proc. SPIE. 10407, Polarization Science and Remote Sensing VIII

KEYWORDS: Infrared imaging, Visible radiation, Agriculture, Polarization, Reflection, Remote sensing, Reflectivity, Infrared radiation, Analytical research

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Proceedings Article | 24 February 2017 Paper

3D scanning and printing of airfoils for modular UAS

Robert Dahlgren, Ethan Pinsker, Omar Dary, Joab Ogunbiyi, Arash Alex Mazhari

Proc. SPIE. 10095, Laser 3D Manufacturing IV

KEYWORDS: Unmanned aerial vehicles, Interfaces, Manufacturing, Control systems, 3D modeling, 3D printing, Laser scanners, Additive manufacturing, Printing, 3D scanning, Computer aided design, Aerodynamics, Rapid manufacturing, Commercial off the shelf technology, Solid modeling

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Proceedings Article | 1 September 2015 Paper

Remotely sensing the photochemical reflectance index, PRI

Vern Vanderbilt, Craig Daughtry, Robert Dahlgren

Proc. SPIE. 9613, Polarization Science and Remote Sensing VII

KEYWORDS: Statistical analysis, Reflection, Calibration, Remote sensing, Reflectivity, Polarizers, Vegetation, Transmittance, Physiology, Absorption

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Proceedings Article | 17 May 2011 Paper

Matrix operators for complex interferometer analysis

Robert Dahlgren

Proc. SPIE. 7753, 21st International Conference on Optical Fiber Sensors

KEYWORDS: Jones matrices, Polarization, Scattering, Interferometers, Sensors, Matrices, Interferometry, Fiber optics sensors, Vector spaces, Systems modeling

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Proceedings Article | 18 February 2009 Paper

Aspheric nonimaging concentrators for multimode fiber coupling

Robert Dahlgren, Jacob Wysocki, Kenneth Pedrotti

Proc. SPIE. 7221, Photonics Packaging, Integration, and Interconnects IX

KEYWORDS: Multimode fibers, Transmitters, Eye, Solar concentrators, Aspheric lenses, Laser optics, Adhesives, Optics manufacturing, Nonimaging optics, Phase only filters

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Proceedings Article | 3 September 2008 Paper

Non-imaging optical concentrators for low-cost optical interconnect

Robert Dahlgren, Jacob Wysocki, Kenneth Pedrotti

Proc. SPIE. 7059, Nonimaging Optics and Efficient Illumination Systems V

KEYWORDS: Transmitters, Eye, Solar concentrators, Vertical cavity surface emitting lasers, Adhesives, Optics manufacturing, Nonimaging optics, Prototyping, Phase only filters, Near field optics

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Proceedings Article | 2 September 2008 Paper

Tolerancing and corner cases in optical simulation

Robert Dahlgren, Kenneth Pedrotti

Proc. SPIE. 7068, Optical System Alignment and Tolerancing II

KEYWORDS: Optical fibers, Optical design, Waveguides, Monte Carlo methods, Optical simulations, Optical alignment, Tolerancing, Phase only filters, Mechanical efficiency, Received signal strength

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Proceedings Article | 22 June 2006 Paper

Methodology to simulate parasitic reflection and birefringence in optical pickup units and sensors

Robert Dahlgren, Kenneth Pedrotti

Proc. SPIE. 6282, Optical Data Storage 2006

KEYWORDS: Optical components, Jones matrices, Data modeling, Polarization, Birefringence, Reflection, Scattering, Sensors, Matrices, Optical storage

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Proceedings Article | 14 August 2003 Paper

Digital planar holography and multiplexer/demultiplexer with discrete dispersion

Vladimir Yankov, Sergey Babin, Igor Ivonin, Alexander Goltsov, Anatolii Morozov, Leonid Polonskiy, Michael Spector, Andrei Talapov, Ernst Kley, Holger Schmidt, Robert Dahlgren

Proc. SPIE. 5246, Active and Passive Optical Components for WDM Communications III

KEYWORDS: Refractive index, Holograms, Holography, Digital holography, Dispersion, Photonic crystals, Photonics, Planar waveguides, Photonic integrated circuits, Volume holography

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Proceedings Article | 17 June 2003 Paper

Photonic bandgap quasi-crystals for integrated WDM devices

Vladimir Yankov, Sergey Babin, Igor Ivonin, Alexander Goltsov, Anatolii Morozov, Leonid Polonskiy, Michael Spector, Andrei Talapov, Ernst-Bernhard Kley, Holger Schmidt, Robert Dahlgren

Proc. SPIE. 4989, Optical Devices for Fiber Communication IV

KEYWORDS: Infrared cameras, Superposition, Lithography, Mirrors, Fiber Bragg gratings, Manufacturing, Wavelength division multiplexing, Planar waveguides, Volume holography, Binary data

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Proceedings Article | 1 November 1994 Paper

Specialty fibers for sensors and sensor components

Ryozo Yamauchi, K. Himeno, Takashi Tsumanuma, Robert Dahlgren

Proc. SPIE. 2292, Fiber Optic and Laser Sensors XII

KEYWORDS: Optical fibers, Optical amplifiers, Phase modulation, Birefringence, Cladding, Sensors, Signal attenuation, Fiber lasers, Fiber optics sensors, Specialty optical fibers

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Proceedings Article | 9 March 1994 Paper

Theoretical comparison of low and high splitting ratio resonators

Raymond Carroll, Robert Dahlgren

Proc. SPIE. 2070, Fiber Optic and Laser Sensors XI

KEYWORDS: Resonators, Waveguides, Fiber optics, Polarization, Backscatter, Scattering, Sensors, Fiber lasers, Fiber optics sensors, Laser optics

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Proceedings Article | 7 February 1994 Paper

Performance of miniaturized optical fiber interconnects between sensor-embedded composite panels

Richard Claus, Ricky Crotts, Kent Murphy, Robert Dahlgren, Tuan Tran, Stephen Poland

Proc. SPIE. 2072, Fiber Optic Physical Sensors in Manufacturing and Transportation

KEYWORDS: Optical fibers, Interferometers, Sensors, Composites, Interfaces, Fiber optics sensors, Smart structures, Connectors, Smart materials, Lead

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Proceedings Article | 5 March 1993 Paper

Polished coupler and resonator fabrication

Robert Dahlgren, Robert Sutherland

Proc. SPIE. 1795, Fiber Optic and Laser Sensors X

KEYWORDS: Polishing, Resonators, Fiber optics, Polarization, Sensors, Fiber lasers, Fiber optics sensors, Laser optics, Prototyping, Surface finishing

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Proceedings Article | 1 February 1992 Paper

Single-polarization fiber optic resonator for gyro applications

Robert Dahlgren, Robert Sutherland

Proc. SPIE. 1585, Fiber Optic Gyros: 15th Anniversary Conf

KEYWORDS: Polishing, Surface plasmons, Phase modulation, Resonators, Fiber optics, Polarization, Fiber optic gyroscopes, Chromium, Gyroscopes, Surface finishing

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Showing 5 of 16 publications

SPIE Conference Volume | 15 April 2003

Fiber-based Component Fabrication, Testing, and Connectorization

Conference Committee Involvement (25)

Optical Components and Materials XVIII

6 March 2021 | Online Only, California, United States

Optical Components and Materials XVII

4 February 2020 | San Francisco, California, United States

Optical Components and Materials XVI

4 February 2019 | San Francisco, California, United States

Optical Components and Materials XV

29 January 2018 | San Francisco, California, United States

Optical Components and Materials XIV

30 January 2017 | San Francisco, California, United States

Optical Components and Materials XIII

15 February 2016 | San Francisco, California, United States

Optical Components and Materials XII

9 February 2015 | San Francisco, California, United States

Optical Components and Materials XI

3 February 2014 | San Francisco, California, United States

Optical Components and Materials X

5 February 2013 | San Francisco, California, United States

Optical Components and Materials IX

25 January 2012 | San Francisco, California, United States

Optical Components and Materials VIII

25 January 2011 | San Francisco, California, United States

Optical Components and Materials VII

26 January 2010 | San Francisco, California, United States

Fiber Optic Sensors and Applications VI

15 April 2009 | Orlando, Florida, United States

Optical Components and Materials VI

26 January 2009 | San Jose, California, United States

Optical Components and Materials IV

22 January 2007 | San Jose, California, United States

Optical Components and Materials III

23 January 2006 | San Jose, California, United States

Active and Passive Optical Components for WDM Communications V

24 October 2005 | Boston, MA, United States

Optical Components and Materials II

24 January 2005 | San Jose, California, United States

Fiber Optic Sensor Technology and Applications III

26 October 2004 | Philadelphia, Pennsylvania, United States

Active and Passive Optical Components for WDM Communications IV

25 October 2004 | Philadelphia, Pennsylvania, United States

Integrated Optics and Photonic Integrated Circuits

27 April 2004 | Strasbourg, France

Optical Components and Materials

26 January 2004 | San Jose, CA, United States

Emerging Optoelectronic Applications

26 January 2004 | San Jose, CA, United States

Optical Devices for Fiber Communication IV

27 January 2003 | San Jose, CA, United States

Fiber-Based Component Fabrication, Testing and Connectorization

29 October 2002 | Bruges, Belgium

Showing 5 of 25 Conference Committees

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