US Patents

• Resonant Wave-Wave Mixing of Electron Cyclotron Harmonic Waves and Ion Acoustic Waves, V.D. Roberts, & S. Gruber, Bull. Am. Phys. Soc., Vol. 16, p1273 (1971)
• Capacitance of Twisted Wire Trims Fast Op-Amps, V.D. Roberts, Electronics, Vol. 46, #14, p109 (1973)
• Phase Front Structure of Mixed Waves in a Magnetized Plasma, V.D. Roberts, S.A. Muelder, & S. Gruber, Plasma Physics, Vol. 16, p1069 (1974)
• Starting Behavior of Fluorescent Lamps with Internal Starting Aids, R.S. Bergman, E.E. Hammer, & V.D. Roberts, J. of the Illum. Eng. Soc., Vol. 5, #3, p131 (1976)
• Measurement of Power Delivered to Rapid Start Fluorescent Lamps and Other Multi-Port Devices, V.D. Roberts, J. of the Illum. Eng. Soc., Vol. 10, #3 (1981)
• Reduction of AM Radio Interference Through Control of Radiated Electric Field, V.D. Roberts, Proceedings of the Lighting-Electromagnetic Compatibility Conference, Lawrence Berkeley Laboratories, March 18-19, 1982, LBL-15199
• Mercury Isotopes and the Fluorescent Lamp, V.D. Roberts & J.H. Ingold, 1984 Annual Conference of the Illuminating Engineering Society, St. Louis
• Radiative Properties of Low Pressure Hg/Ar Discharges in a Magnetic Field, V.D. Roberts, NATO Advanced Study Institute - Radiative Processes in Discharge Plasmas Conference, Pitlochry (Perthshire) Scotland, June 23 - July 5, 1985
• Atomic Transition Probabilities for ScI and ScII, E.A. Den Hartog, G.C. Marsden, J.E. Lawler, J.T. Dakin and V.D. Roberts, Thirty-Ninth Annual Gaseous Electronics Conference, October 7-10, 1986, Madison, Wisconsin
• Angle Dependent Emittance of 245nm Radiation from Hg-Ar Discharges in Magnetic Fields, V.D. Roberts, International Conference on Phenomena in Ionized Gasses, July 13-17, 1987, University College of Swansea, Wales
• Radiative Lifetimes of Even- and Odd-Parity Levels in ScI and ScII, G.C. Marsden, E.A. Den Hartog, J.E. Lawler, J.T. Dakin and V.D. Roberts, J. Opt. Soc. Am. B, 5, 606 (1988)
• Quantitative Spectroscopy on Hg^*, J.E. Lawler, R.C. Wamsley, J.H. Ingold, L. Bigio and V.D. Roberts, Forty-Third Annual Gaseous Electronics Conference, Champaign, Illinois, October 16-19, 1990.
• Spatial Maps of Hg⁺ and Hg^* Densities in the Cathode Region,, R.C. Wamsley, J.E. Lawler, J.H. Ingold, L. Bigio and V.D. Roberts, Forty-Third Annual Gaseous Electronics Conference, Champaign, Illinois, October 16-19, 1990.
• Absorption Spectroscopy on Hg⁺ and Excited Hg in Hg-Ar Discharges, R.C. Wamsley, J.E. Lawler, J.H. Ingold, L. Bigio and V.D. Roberts, Appl. Phys. Lett. 57, (23), 2416, December 3, 1990
• Inductively Coupled HID Lighting System, C.N. Stewart, M.E. Duffy, J.T. Dakin, V.D. Roberts, S.A. El-Hamamsy, H.L. Witting, A. Inouye, K Shimizu and K. Araki, 6th International Symposium on the Science and Technology of Light Sources, August 30 - September 3, 1992, Budapest.
• Solid State Lighting for General Lighting Applications, V.D. Roberts, 13th Annual E Source Members' Forum, November 13 - 16, 2000, Colorado Springs, Colorado.
• High Efficiency Lighting, What Lies Ahead?, Victor D. Roberts, 2nd Annual E Source Emerging Technology Summit, September 11, 2001, Westminster, Colorado.
• Radio-Frequency Lighting, Victor D. Roberts, McGraw-Hill Yearbook of Science & Technology 2003, The McGraw-Hill Companies, Inc., 2003, pp 349 - 352. 
• In Situ Measurement of Ferrite Temperature and B_Sat in Induction-Coupled Electrodeless Fluorescent Lamps, Victor D. Roberts, Proceedings of the Tenth International Symposium on the Science and Technology of Light Sources, Toulouse, France, July 18 - 22, 2004, Georges Zissis, ed., Institute of Physics Conference Series Number 182, IoP Publishing, Bristol and Philadelphia, ISBN 0 7503 1007 3, pp 275 - 276.
• Solid State Lighting: Status & Future Directions, Victor D. Roberts, 17th Annual E Source Members' Forum, November 9 - 12, 2004. Colorado Springs, Colorado
• Incoherent Sources: Lamps, V Roberts, Encyclopedia of Modern Optics, edited by Robert D. Guenther, Duncan G. Steel and Leopold Bayvel, Elsevier, Oxford, 2004. ISBN 0-12-227600-0, Volume 2, pp 208 - 217
  
• E Source Technology Atlas Series, Volume 1, Lighting, Editors: Victor Roberts and Ira Krepchin, Platts, a division of The McGraw-Hill Companies Inc., 2005, ISBN 1-58167-002-8.
• Solid State Light Sources: an Energy Conservation Perspective, Victor Roberts, 19th Annual E Source Forum, October 3 - 6 , 2006, Boulder, Colorado.
• High Frequency Efficacy of Metal Halide Lamps, Victor D. Roberts, Proceedings of the 11th International Symposium on the Science and Technology of Light Sources, Shanghai, China, May 20th - 24th, 2007, M.Q Liu & R. Devonshire, Ed., ISBN 987-0-9555445-1-4.
• Evaluating LED Luminaires and Replacement Lamps, Victor Roberts, 20th Annual E Source Forum, September 25 - 28, 2007, Boulder, Colorado.