Dr. Hari S. Venugopalan Profile

Dr. Hari S. Venugopalan

Senior Scientist at GELcore LLC

SPIE Involvement:

Author

Publications (4)

Proceedings Article | 26 January 2004 Paper

Fabrication of high-lumen InGaN flip chip LEDs

Hari Venugopalan, Xiang Gao, Tingting Zhang, Bryan Shelton, Anthony DiCarlo, Ivan Eliashevich, Michael Hsing

Proceedings Volume 5187, (2004) https://doi.org/10.1117/12.514073

KEYWORDS: Light emitting diodes, Indium gallium nitride, Resistance, Silver, Lamps, Reliability, Metals, Packaging, Aluminum, Annealing

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Proceedings Article | 3 July 2003 Paper

Ultraviolet nitride LED fabrication for high-flux white LED

Hari Venugopalan, Anthony DiCarlo, Xiang Gao, Sebastien Libon, Bryan Shelton, Emil Stefanov, Tingting Zhang, Ivan Eliashevich, Stan Weaver, Michael Hsing, Boris Kolodin, Tom Soules, Doru Florescu, Shiping Guo, Milan Pophristic, Boris Peres

Proceedings Volume 4996, (2003) https://doi.org/10.1117/12.486359

KEYWORDS: Light emitting diodes, Ultraviolet radiation, Lamps, Sapphire, Ultraviolet light emitting diodes, Aluminum, Silicon carbide, Silver, Annealing, Absorption

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Proceedings Article | 26 November 2002 Paper

Optimizing the external light extraction of nitride LEDs

Emil Stefanov, Bryan Shelton, Hari Venugopalan, Tingting Zhang, Ivan Eliashevich

Proceedings Volume 4776, (2002) https://doi.org/10.1117/12.457208

KEYWORDS: Light emitting diodes, Sapphire, Interfaces, Reflectivity, Data modeling, Semiconducting wafers, Reflection, Ray tracing, Refractive index, Surface finishing

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Proceedings Article | 17 April 2000 Paper

InGaAlP and InGaN light-emitting diodes: high-power performance and reliability

Ivan Eliashevich, Jean-Philippe Debray, Chuong Tran, Hari Venugopalan, Robert Karlicek

Proceedings Volume 3938, (2000) https://doi.org/10.1117/12.382815

KEYWORDS: Light emitting diodes, Indium gallium nitride, Reliability, Visible radiation, Aluminium gallium indium phosphide, Metals, Diodes, Resistance, Light sources and illumination, Luminous efficiency

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