Dr. Michael R. Krames Profile

Dr. Michael R. Krames

President & Founder at Arkesso LLC

SPIE Involvement:

Conference Chair | Editor | Author

Proceedings Article | 17 March 2023 Presentation

Systemic photobiomodulation: clinical evidence from a double-blind, placebo-controlled study with near-infrared light

Anne Berends, Marina Giménez, Michelle Luxwolda, Marijke Gordijn, Eila van Stipriaan, Pauline Bollen, Rieks Hoekman, Marthe Koopmans, Roelof Hut, Praveen Arany, Michael Krames

Proceedings Volume PC12362, PC1236202 (2023) https://doi.org/10.1117/12.2648326

KEYWORDS: Neck, Wound healing, Tissue optics, Heart

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Proceedings Article | 14 March 2023 Presentation

Stable nano-YAG:Ce3+ phosphors for photonic applications (Conference Presentation)

Atul Sontakke, Federico Montanarella, Vasilii Khanin, Mohamed Tachikirt, Valerio Favale, Anne Berends, Mike Krames, Marie Anne van de Haar

Proceedings Volume PC12441, PC124410R (2023) https://doi.org/10.1117/12.2650658

KEYWORDS: Photonic nanostructures, Particles, Light emitting diodes, Energy conversion efficiency, Absorption, Semiconductors, Optical properties, Light sources and illumination, Laser irradiation

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Proceedings Article | 14 March 2023 Presentation

Beyond the visible: the proven effects of near-infrared light on our health and well-being (Conference Presentation)

Anne Berends, Marina Giménez, Marijke Gordijn, Michelle Luxwolda, Michael Krames

Proceedings Volume PC12441, PC124410F (2023) https://doi.org/10.1117/12.2648241

KEYWORDS: Near infrared, Visible radiation, Light sources and illumination, Wound healing, Tissue optics, Light emitting diodes, Lamps, Heart

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Proceedings Article | 7 March 2021 Presentation

Welcome and Introduction to SPIE Conference 11706: Light-Emitting Devices, Materials, and Applications XXV

Martin Strassburg, Jong Kyu Kim, Michael Krames

Proceedings Volume 11706, 1170602 (2021) https://doi.org/10.1117/12.2592495

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Proceedings Article | 9 March 2020 Presentation

Towards blue excitable line emitters (Conference Presentation)

Anne Berends, Marie Anne van de Haar, Michael Krames

Proceedings Volume 11302, 113021L (2020) https://doi.org/10.1117/12.2548442

KEYWORDS: Light emitting diodes, Absorption, Neck, Lanthanides, Energy transfer, Atmospheric particles, Nanoparticles, Semiconductors, Quantum dots

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Proceedings Article | 26 May 2011 Paper

High-performance blue and green laser diodes based on nonpolar/semipolar GaN substrates

Christiane Poblenz, Shuji Nakamura, Yu-Chia Chang, Justin Iveland, James Raring, James Speck, Ben Li, Mathew Schmidt, Steven DenBaars, Mark Mondry, Richard Craig, Michael Krames

Proceedings Volume 8039, 80390D (2011) https://doi.org/10.1117/12.884458

KEYWORDS: Semiconductor lasers, Gallium nitride, Laser applications, Continuous wave operation, Diodes, Laser marking, Defense and security, Polarization, Laser damage threshold, Temperature metrology

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Proceedings Article | 4 March 2011 Paper

High-performance blue and green laser diodes based on nonpolar/semipolar bulk GaN substrates

Ben Li, Mathew Schmidt, James Speck, Shuji Nakamura, Richard Craig, You-Da Lin, James Raring, Christiane Poblenz, Michael Krames, Steven DenBaars, Yu-Chia Chang, Mark Mondry

Proceedings Volume 7939, 79390Y (2011) https://doi.org/10.1117/12.872023

KEYWORDS: Semiconductor lasers, Gallium nitride, Continuous wave operation, High power lasers, Laser applications, Polarization, Laser damage threshold, Second-harmonic generation, Temperature metrology, Solid state lasers

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Proceedings Article | 27 September 2007 Paper

Phosphor-converted high power LEDs

Michael Krames, Gerd Mueller, Regina Mueller-Mach

Proceedings Volume 6797, 67970G (2007) https://doi.org/10.1117/12.754744

KEYWORDS: Light emitting diodes, Light sources and illumination, Manufacturing, Ceramics, Quantum efficiency, Thin films, Lamps, Optics manufacturing, Absorption, Solid state electronics

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Proceedings Article | 14 September 2005 Paper

Linearly polarized spontaneous emission from m-plane InGaN/GaN multiple-quantum-well LEDs

Michael Krames, James Kim, Yu-Chen Shen, Jonathan Wierer, Nathan Gardner

Proceedings Volume 5941, 59410J (2005) https://doi.org/10.1117/12.627959

KEYWORDS: Polarization, Light emitting diodes, Gallium nitride, Quantum wells, Silicon carbide, Luminescence, X-ray diffraction, Electroluminescence, Anisotropy, Reflection

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Proceedings Article | 7 March 2005 Paper

III-nitride LEDs with photonic crystal structures

Dong Li, Michael Krames, Michael Shagam, Steven Brueck, Nathan Gardner, Mihail Sigalas, John Epler, Joel Wendt, Jonathan Wierer

Proceedings Volume 5739, (2005) https://doi.org/10.1117/12.591218

KEYWORDS: Light emitting diodes, Photonic crystals, Metals, Lithography, Aluminum, Semiconducting wafers, Sapphire, Gallium nitride, Etching, Light scattering

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Proceedings Article | 20 October 2004 Paper

Performance and application of high-power ultraviolet AlGaInN light-emitting diodes

Yoon-Kyu Song, Jung Han, Arto Nurmikko, Ling Zhou, George Cui, Michael Krames, Eleni Makarona, Yiping He, Werner Goetz, Hongbo Peng, Maria Gherasimova, Jie Su, Seong-Ran Jeon

Proceedings Volume 5530, (2004) https://doi.org/10.1117/12.566891

KEYWORDS: Ultraviolet light emitting diodes, Light emitting diodes, Gallium, Quantum wells, External quantum efficiency, Aluminum, Ultraviolet radiation, Luminescence, Electroluminescence, Aluminum nitride

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Proceedings Article | 21 June 2004 Paper

Optical cavity effects in InGaN/GaN quantum-well-heterostructure flip-chip light-emitting diodes

Andy Kim, Steve Stockman, Jerome Bhat, Michael Krames, Jonathan Wierer, Farid Ahmed, Paul Martin, Yu Shen, Mira Misra, Gerd Mueller, Michael Ludowise

Proceedings Volume 5366, (2004) https://doi.org/10.1117/12.520571

KEYWORDS: Quantum wells, Nickel, Gallium nitride, Mirrors, Data modeling, Light emitting diodes, Internal quantum efficiency, Quantum efficiency, Optical resonators, Reflectivity

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Proceedings Article | 26 January 2004 Paper

Phosphor materials and combinations for illumination-grade white pcLEDs

Gerd Mueller, Regina Mueller-Mach, Michael Krames

Proceedings Volume 5187, (2004) https://doi.org/10.1117/12.514074

KEYWORDS: Light emitting diodes, Radium, Lamps, Blue light emitting diodes, Ions, Quantum efficiency, Cerium, Black bodies, Eye, Light sources

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Proceedings Article | 26 November 2002 Paper

Green phosphor-converted LED

Michael Krames, Dan Steigerwald, A. Kim, Troy Trottier, Gerd Mueller, Regina Mueller-Mach

Proceedings Volume 4776, (2002) https://doi.org/10.1117/12.456557

KEYWORDS: Light emitting diodes, Indium gallium nitride, Europium, LED lighting, Temperature metrology, Reflection, Diodes, Manufacturing, Green light emitting diodes, Measurement devices

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Proceedings Article | 12 June 2002 Paper

GaN-based tunnel junction in optical devices

Ying-Lan Chang, Tetsuya Takeuchi, Mark Hueschen, E. Makarona, Arto Nurmikko, M. Blomqvist, Steve Stockman, Michael Krames, Scott Corzine, Christophe Kocot, Yi-Fei He, Richard Schneider, D. Lefforge, G. Hasnain, M. Diagne, J. Han, Lou Cook

Proceedings Volume 4646, (2002) https://doi.org/10.1117/12.470561

KEYWORDS: Light emitting diodes, Doping, Gallium nitride, Vertical cavity surface emitting lasers, Indium gallium nitride, Quantum wells, Magnesium, Indium nitride, Silicon, Optical components

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Proceedings Article | 14 May 2001 Paper

High-power AlInGaN light-emitting diodes

R. Scott Kern, Mira Misra, Jonathan Wierer, G. Christenson, Yu-Chen Shen, Reena Khare, Sudhir Subramanya, M. Craford, Frank Steranka, Paul Martin, Jingxi Yu, Lou Cook, Mike Ludowise, Jerome Bhat, Nathan Gardner, A. Kim, J. O'Shea, S. Rudaz, Richard Mann, Dan Steigerwald, Steve Stockman, Chien-Hua Chen, Michael Krames, Werner Goetz

Proceedings Volume 4278, (2001) https://doi.org/10.1117/12.426841

KEYWORDS: Light emitting diodes, Resistance, Lamps, External quantum efficiency, Sapphire, Absorption, Reflectivity, Reliability, Metalorganic chemical vapor deposition, Aluminium gallium indium phosphide

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Proceedings Article | 17 April 2000 Paper

High-brightness AlGaInN light-emitting diodes

Steven Lester, Michael Krames, S. Rudaz, Gerd Mueller, R. Scott Kern, Ghulam Hasnain, Werner Goetz, David Basile, S. Jeffrey Rosner, Reena Khare, Tun Tan, Robert Fletcher, Lou Cook, Paul Martin, A. Edwards, Dave Collins, Steven Maranowski, Richard Mann, Ying-Lan Chang, Eric Johnson, Tetsuya Takeuchi, Christophe Kocot, M. Heuschen, M. Maranowski, Jingxi Yu, Regina Mueller-Mach, G. Christenson, Richard Schneider, M. Craford, William Imler, J. Thompson, Mike Ludowise, Chris Lowery, Dan Steigerwald, Frederick Kish, Jonathan Wierer, Jeffrey Miller, Nathan Gardner, Kevin Killeen, J. O'Shea

Proceedings Volume 3938, (2000) https://doi.org/10.1117/12.382822

KEYWORDS: Light emitting diodes, Quantum efficiency, Resistance, Indium gallium aluminium nitride, Light sources and illumination, Reliability, External quantum efficiency, Gallium nitride, Lamps, Sapphire

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Proceedings Article | 17 April 2000 Paper

High-power truncated-inverted-pyramid (AlxGa1-x)0.5In0.5P light-emitting diodes

M. Craford, Patrick Grillot, Jen-Wu Huang, Kwang Park, Eugene Chen, Frederick Kish, Christophe Kocot, I. Tan, Mark Hueschen, Carrie Carter-Coman, Nathan Gardner, Mari Ochiai-Holcomb, Tun Tan, David Collins, Gloria Hofler, Steve Stockman, Jason Posselt, Michael Krames

Proceedings Volume 3938, (2000) https://doi.org/10.1117/12.382843

KEYWORDS: Light emitting diodes, External quantum efficiency, Lamps, Light sources and illumination, Luminous efficiency, Quantum efficiency, Semiconducting wafers, Reflection, Solid state lighting, Neon

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Showing 5 of 18 publications

SPIE Conference Volume | 27 March 2024

Light-Emitting Devices, Materials, and Applications XXVIII

SPIE Conference Volume | 19 April 2023

Light-Emitting Devices, Materials, and Applications XXVII

SPIE Conference Volume | 12 April 2022

Light-Emitting Devices, Materials, and Applications XXVI

SPIE Conference Volume | 9 April 2021

Light-Emitting Devices, Materials, and Applications XXV

SPIE Conference Volume | 4 March 2020

Light-Emitting Devices, Materials, and Applications XXIV

Showing 5 of 9 publications

Conference Committee Involvement (30)

Light-Emitting Devices, Materials, and Applications XXIX

25 January 2025 | San Francisco, California, United States

Light-Emitting Devices, Materials, and Applications XXVIII

29 January 2024 | San Francisco, California, United States

Light-Emitting Devices, Materials, and Applications XXVII

30 January 2023 | San Francisco, California, United States

Light-Emitting Devices, Materials, and Applications XXVI

24 January 2022 | San Francisco, California, United States

Light-Emitting Devices, Materials, and Applications XXV

6 March 2021 | Online Only, California, United States

Light-Emitting Devices, Materials, and Applications XXIV

3 February 2020 | San Francisco, California, United States

Light-Emitting Devices, Materials, and Applications

4 February 2019 | San Francisco, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XXII

29 January 2018 | San Francisco, California, United States

Sixteenth International Conference on Solid State Lighting and LED-based Illumination Systems

9 August 2017 | San Diego, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XXI

30 January 2017 | San Francisco, California, United States

Fifteenth International Conference on Solid State Lighting and LED-based Illumination Systems

31 August 2016 | San Diego, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XX

15 February 2016 | San Francisco, California, United States

Fourteenth International Conference on Solid State Lighting and LED-based Illumination Systems

12 August 2015 | San Diego, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XIX

10 February 2015 | San Francisco, California, United States

Thirteenth International Conference on Solid State Lighting and LED-based Illumination Systems

20 August 2014 | San Diego, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVIII

4 February 2014 | San Francisco, California, United States

LED-based Illumination Systems

26 August 2013 | San Diego, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVII

4 February 2013 | San Francisco, California, United States

Twelfth International Conference on Solid State Lighting and Fourth International Conference on White LEDs and Solid State Lighting

13 August 2012 | San Diego, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVI

24 January 2012 | San Francisco, California, United States

Eleventh International Conference on Solid State Lighting

22 August 2011 | San Diego, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XV

25 January 2011 | San Francisco, California, United States

Tenth International Conference on Solid State Lighting

2 August 2010 | San Diego, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XIV

26 January 2010 | San Francisco, California, United States

Ninth International Conference on Solid State Lighting

3 August 2009 | San Diego, California, United States

LEDs: Materials, Devices, and Applications for Solid State Lighting XIII

27 January 2009 | San Jose, California, United States

Eighth International Conference on Solid State Lighting

11 August 2008 | San Diego, California, United States

Light-Emitting Diodes: Research, Manufacturing, and Applications XII

22 January 2008 | San Jose, California, United States

Seventh International Conference on Solid State Lighting

27 August 2007 | San Diego, California, United States

Sixth International Conference on Solid State Lighting

14 August 2006 | San Diego, California, United States

Showing 5 of 30 Conference Committees

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