Dr. Robert P. Dahlgren Profile

Dr. Robert P. Dahlgren

Adjunct Research Associate at Univ of Minnesota

SPIE Involvement:

Author

Proceedings Article | 6 September 2019 Paper

Polarization to estimate leaf surface reflectance

Vern Vanderbilt, Craig Daughtry, Robert Dahlgren

Proceedings Volume 11132, 1113205 (2019) https://doi.org/10.1117/12.2529214

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

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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

Proceedings Volume 10407, 104070Z (2017) https://doi.org/10.1117/12.2274502

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

Proceedings Volume 10095, 100950J (2017) https://doi.org/10.1117/12.2253068

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

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Proceedings Article | 1 September 2015 Paper

Remotely sensing the photochemical reflectance index, PRI

Vern Vanderbilt, Craig Daughtry, Robert Dahlgren

Proceedings Volume 9613, 96130Z (2015) https://doi.org/10.1117/12.2187160

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

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Proceedings Article | 17 May 2011 Paper

Matrix operators for complex interferometer analysis

Robert Dahlgren

Proceedings Volume 7753, 775320 (2011) https://doi.org/10.1117/12.886097

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

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Proceedings Article | 18 February 2009 Paper

Aspheric nonimaging concentrators for multimode fiber coupling

Robert Dahlgren, Jacob Wysocki, Kenneth Pedrotti

Proceedings Volume 7221, 722117 (2009) https://doi.org/10.1117/12.816506

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

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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

Proceedings Volume 7059, 70590K (2008) https://doi.org/10.1117/12.795409

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

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Proceedings Article | 2 September 2008 Paper

Tolerancing and corner cases in optical simulation

Robert Dahlgren, Kenneth Pedrotti

Proceedings Volume 7068, 706804 (2008) https://doi.org/10.1117/12.795424

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

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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

Proceedings Volume 6282, 628222 (2006) https://doi.org/10.1117/12.685193

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

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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

Proceedings Volume 5246, (2003) https://doi.org/10.1117/12.511426

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

Proceedings Volume 4989, (2003) https://doi.org/10.1117/12.488214

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

Proceedings Volume 2292, (1994) https://doi.org/10.1117/12.191849

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

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Proceedings Article | 9 March 1994 Paper

Theoretical comparison of low and high splitting ratio resonators

Raymond Carroll, Robert Dahlgren

Proceedings Volume 2070, (1994) https://doi.org/10.1117/12.169944

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

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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

Proceedings Volume 2072, (1994) https://doi.org/10.1117/12.166857

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

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Proceedings Article | 5 March 1993 Paper

Polished coupler and resonator fabrication

Robert Dahlgren, Robert Sutherland

Proceedings Volume 1795, (1993) https://doi.org/10.1117/12.141278

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

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Proceedings Article | 1 February 1992 Paper

Single-polarization fiber optic resonator for gyro applications

Robert Dahlgren, Robert Sutherland

Proceedings Volume 1585, (1992) https://doi.org/10.1117/12.135041

KEYWORDS: Resonators, Polishing, Chromium, Fiber optic gyroscopes, Polarization, Fiber optics, Phase modulation, Gyroscopes, Surface plasmons, 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 (27)

Optical Components and Materials XX

30 January 2023 | San Francisco, California, United States

Optical Components and Materials XIX

24 January 2022 | San Francisco, California, United States

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 27 Conference Committees

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