Prof. Christopher J. Summers
Professor at Georgia Institute of Technology
SPIE Involvement:
Author | Instructor
Publications (28)

Proceedings Article | 11 September 2010 Paper
J. Blair, C. Summers
Proceedings Volume 7756, 775617 (2010)
KEYWORDS: Superlattices, Refraction, Coating, Dispersion, Waveguides, Liquid crystals, Atomic layer deposition, Photonic crystals, 3D modeling, Titanium dioxide

Proceedings Article | 11 September 2010 Paper
J. Blair, V. Tamma, W. Park, C. Summers
Proceedings Volume 7756, 775608 (2010)
KEYWORDS: Dielectrics, Near field optics, Computer aided design, Reflectivity, Silicon, Refractive index, Near field scanning optical microscopy, Device simulation, Nanorods, Titanium dioxide

SPIE Journal Paper | 1 October 2009
Yao Chen, Junbo Feng, Zhiping Zhou, Jun Yu, Christopher Summers, David Citrin
JM3, Vol. 8, Issue 04, 043060, (October 2009)
KEYWORDS: Silicon, Etching, Resonators, Microrings, Chromium, Waveguides, Electron beam lithography, Plasma, Photomasks, Scanning electron microscopy

Proceedings Article | 18 August 2009 Paper
Nola Li, Will Fenwick, Andrew Melton, I-Hsiang Hung, Zhe Chuan Feng, Christopher Summers, Muhammad Jamil, Ian Ferguson
Proceedings Volume 7422, 74220J (2009)
KEYWORDS: Zinc oxide, Indium gallium nitride, Light emitting diodes, Gallium nitride, Metalorganic chemical vapor deposition, Sapphire, Zinc, Atomic layer deposition, Indium, Diffusion

Proceedings Article | 18 August 2009 Paper
Proceedings Volume 7422, 74220P (2009)
KEYWORDS: Gallium nitride, Silicon, Sapphire, Light emitting diodes, Metalorganic chemical vapor deposition, Patterned sapphire substrate, Atomic layer deposition, Corundum, Raman spectroscopy, Aluminum nitride

Showing 5 of 28 publications
Conference Committee Involvement (1)
Photonic Materials and Devices
18 September 2001 | Tucson, AZ, United States
Course Instructor
SC799: Solid State Lighting Phosphors
The development of blue and UV InGaN light emitting diodes is being complemented by a parallel exploration of new phosphor material systems for use with these new diode technologies. Currently, two approaches are being investigated: the use of a blue LED phosphor pump which combines with the phosphor emission to give a white spectrum, and secondly the use of a tri-color red, green and blue phosphor set, which are pumped in the near-UV, between 380-406 nm. For both approaches it is necessary to develop highly efficient and long-lived phosphor materials that are well matched to the excitation conditions of the diode, and whose spectral emission properties produce a high color rendition index (>95). This course, therefore, complements the Solid State Lighting I & II courses (SC490 & SC770), by providing an in depth review of the recent developments in phosphors for SSL. Examples of excitation and emission spectra will be given for the important material systems. The scope is to provide a state-of-the-art review of Solid State Lighting Phosphors from both the perspective of the solid state device engineer and the lighting designer.
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