Technical Papers and Articles

  1. “Major Contributors in LED and Lighting Standards Have LED and SSL Revolution”, LED Magazine, February 2018.

  2. “Work Continues on Three LED Lighting Reliability Standards”, LED Magazine, May 2017.

  3. “Work Continues on Three LED Lighting Reliability Standards”, LED Magazine, May 2017.

  4. “SAE Adds New Standards for LED-Based Automotive Lighting”, LED Magazine, February 2017.

  5. “ASABE Committee Continue Work on LED Horticultural Lighting Standards”, LED Magazine, November 2016.

  6. “Industry Progresses on Testing Standard for AC-driven LEDs”, LED Magazine, February 2016.

  7. “ANSI Continues Advancements on SSL Chromaticity Standard”, LED Magazine, December 2015.

  8. “IES Explores Projection Method Developments Using LM-80 Data”, LED Magazine, September 2015.

  9. “Stakeholders Make Progress on LED Lighting Horticulture Standards”, LED Magazine, June 2015.

  10. “Illuminating Engineering Society Updates LED Testing Standards”, LED Magazine, April 2015.

  11. “ANSI Works to Update the SSL Chromaticity Standard”, LED Magazine, February 2015.

  12. “IES Establishes New Standard for Spectral Data Transfer”, LED Magazine, December 2014.

  13. “LED Automotive Lighting Applications Require Unique SAE Standards”, LED Magazine, September 2014.

  14. “ANSI Recognizes Need for LED Drive Testing Standard”, LED Magazine, June 2014.

  15. “IES LM-85 Homogenizes High-Power LED Measurement and Characterization”, LED Magazine, February 2014.

  16. “IES TPC Considers LM Standard for Remote Phosphor Optics”, LED Magazine, December 2013.

  17. “IES Moves to Establish LED Light Source Ray File Standard”, LED Magazine, July 2013.

  18. “New Standards Will Enable Lumen Maintenance Projection for SSL”, LED Magazine, April 2013.

  19. “ANSI Works to Standardize LED Datasheet for White LEDs”, LED Magazine, February 2013.

  20. “SEMI Committee Progresses in HB LED Process Standards”, LED Magazine, October 2012.

  21. “Standards Emerge for Thermal Characterization of LEDs”, LED Magazine, September 2012.

  22. “JEDEC Test Standards and LED Package Reliability”, LED Magazine, April 2012.

  23. “Testing LEDs for Automotive Lighting Applications”, SAE World Congress, Detroit, MI, April 2012.

  24. “Lumen Maintenance Testing for LED Lamps, Light Engines, and Luminaires”, LED Magazine, February 2012.

  25. “A Method for Projecting Lumen Maintenance of LED light Sources”, IES Annual Conference, Austin, TX, November 2011.

  26. “Understand the Difference between LED Rated Life and LED Lumen Maintenance Life”, LED Magazine, October 2011.

  27. “ANSI Evaluates Revisions to SSL Chromaticity Standard”, LED Magazine, August 2011.

  28. “LED Safety Standard UL8750 Requires Further Clarification”, LED Magazine, April 2011.

  29. “TM-21 Seeks Methods for Lumen Maintenance Prediction”, LED Magazine, February 2011.

  30. “Non-Directional Luminaires Require New Testing Procedures for LED Light Engines”, LED Magazine, December 2010.

  31. “LED Lighting Community Benefits from Ongoing Standardization Efforts”, LED Magazine, April 2010.

  32. “Standardization for Light Emitting Diodes and Solid-State Lighting”, LED Journal, August/September 2009.

  33. “High-Efficiency Reflector Optics for LED Forward Lighting”, SPIE Proceedings Vol. 6670, September 2007.

  34. “Optical Transform Limitations in Headlamp Photometric Performance”, SAE Technical Paper Series 2005-01-0861, April 2005.

  35. “Studies for Headlamp Optical Design Using LEDs”, SAE Technical Paper Series 2004-01-0434, March 2004.

  36. “Etendue Concern for Automotive Headlamp Using LEDs”, SPIE Proceedings Vol. 5187, January 2004.

  37. “Temperature Predictions Using Thermal Database and Design Sensitivity Analysis”, SAE Technical Paper Series 1999-01-0699, March 1999.

  38. “Environment Leading to Condensation in Automotive Lamps”, SAE Technical Paper Series 980316, February 1998.

  39. “Study of Tubular Volume Light Source Intensity Distribution”, SAE Technical Paper Series 980320, February. 1998.

  40. “Design Strategy for Free-Form Reflector Head Lamp Using High Intensity Discharge Light Source”, SAE Technical Paper Series 970092, February 1997.

  41. “High Performance Fog Lamps: Design Strategies and Proper Usage”, SAE Technical Paper Series 960928, February 1996.

  42. “Low Beam Head Lamp Design Using Distributive Lighting System”, SAE Technical Paper Series 960489, February 1996.

  43. “Automotive Head Lamp Beam Pattern Uniformity Evaluation”, SAE Technical Paper Series 960789, February 1996.

  44. “Quantitative Evaluation of the Uniformity for an Automotive Head Lamp Beam Pattern”, SPIE Proceedings Vol. 2622, August 1995.

  45. “Intelligent Vehicle Lighting”, Convergence, Dearborn, MI, October 1994.

  46. “Relief Holograms on an Optical Waveguide Using Embossing or Injection Molding”, OSA Annual Meeting, Albuquerque, NM, September 1992.

  47. “Fiber Optic Application in Automotive Lighting system”, (GM) Engineering Technology Conference, Warren, MI, June 1991.

  48. “Recent Developments on Holography in China”, SPIE Proceedings Vol. 1238, February 1991.

  49. “Holographic Technology in Automobile Lighting System”, (GM) Product Engineering Technology Conference, Warren, MI, May 1990.

  50. “Boundary Layer Analysis of Infrared Whispering-Gallery Waveguides”, SIAM Journal on Applied Mathematics Vol. 50, No. 2, 1990.   

  51. “Transverse Magnetic Loss in a Uniformly Bent Metallic Waveguide at 10.6m”, Applied Optics, Vol. 29, No. 18, 1990.

  52. “Losses of Infrared Biconcave Metallic Whispering-Gallery Waveguides”, Infrared Physics, Vol. 29 No. 213, 1989.

  53. “Losses for Vector Solutions of Infrared Whispering-Gallery Waveguides”, Society of Industrial and Applied Mathematics Annual Meeting, Minneapolis, Minnesota, July 1988

  54. “Wigner Distribution Function and Optical Geometrical Transformation”, Applied Optics, Vol. 23, No .8, 1984