Dr. Indika U. Perera Profile

Dr. Indika U. Perera

Lecturer, Research Scientist at Rensselaer Polytechnic Institute

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 6 October 2023 Presentation + Paper

Photobleaching of transparent photopolymer resins for use in LED lighting optical elements

Jean Paul Freyssinier, Indika Perera, Nadarajah Narendran, Akila Udage

Proceedings Volume PC12670, PC1267001 (2023) https://doi.org/10.1117/12.2676984

KEYWORDS: Photobleaching, Optical components, LED lighting, Modeling, Light sources and illumination, 3D printing, Transparency, Transmittance, Time metrology, Process modeling

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Proceedings Article | 3 October 2023 Presentation + Paper

3D-printed heat sinks for thermal management of LED lighting

Indika Perera, Nadarajah Narendran, Jean Paul Freyssinier

Proceedings Volume 12670, 1267009 (2023) https://doi.org/10.1117/12.2676953

KEYWORDS: Heatsinks, Light emitting diodes, Thermal effects, LED lighting, Electrical conductivity, Light sources and illumination, Lamps, Simulations, Halogens, Temperature metrology

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Proceedings Article | 29 September 2023 Presentation + Paper

Long-term performance of 3D-printed optics when exposed to thermal and optical radiation

Indika Perera, Akila Udage, Nadarajah Narendran, Jean Paul Freyssinier

Proceedings Volume 12670, 1267006 (2023) https://doi.org/10.1117/12.2676923

KEYWORDS: Transmittance, Light emitting diodes, LED lighting, 3D printing, Photopolymers, Optical components, Modeling, Optical materials characterization, Additive manufacturing

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Proceedings Article | 29 September 2023 Presentation + Paper

Designing freeform luminaire optics for additive manufacturing: lessons learned

Michael Zollers, Indika Perera, Jean Paul Freyssinier, Samuel Mills, Christopher Ring

Proceedings Volume 12670, 1267005 (2023) https://doi.org/10.1117/12.2676731

KEYWORDS: Design and modelling, Optical design, Light emitting diodes, Light sources and illumination, Optics manufacturing, Additive manufacturing, Lenses, Printing, Manufacturing, Freeform optics

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Proceedings Article | 29 September 2023 Presentation + Paper

3D-printed refractive secondary optics for LED lighting

Indika Perera, Jean Paul Freyssinier, Nadarajah Narendran, Akila Udage

Proceedings Volume 12670, 1267003 (2023) https://doi.org/10.1117/12.2679198

KEYWORDS: Lenses, 3D printing, Light emitting diodes, Light sources and illumination, LED lighting, Optical surfaces, Optics manufacturing, Optical components, Beam shaping

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Proceedings Article | 29 September 2023 Presentation + Paper

Insulation properties of 3D-printed components for use in interior building panels

Amatullah Kose, Indika Perera, Nadarajah Narendran, Jean Paul Freyssinier, Farjana Mostafa

Proceedings Volume 12670, 1267008 (2023) https://doi.org/10.1117/12.2676863

KEYWORDS: 3D printing, Materials properties, Light sources and illumination, Polymers, Buildings

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Proceedings Article | 3 October 2022 Presentation + Paper

Designing 3D-printed LED optics for optimizing target plane application efficacy

Indika Perera, Akila Udage, Nadarajah Narendran, Jean Paul Freyssinier, John Trublowski

Proceedings Volume 12216, 122160K (2022) https://doi.org/10.1117/12.2633620

KEYWORDS: Reflectors, Light emitting diodes, 3D printing, Optics manufacturing, Light sources and illumination, Reflector design, Reflectivity, Optical components, Optical design, Light sources

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Proceedings Article | 2 April 2019 Paper

Optical properties of 3D printed reflective and transmissive components for use in LED lighting fixture applications

Olivia Privitera, Yi-wei Liu, Indika Perera, Jean Paul Freyssinier, Nadarajah Narendran

Proceedings Volume 10940, 109401X (2019) https://doi.org/10.1117/12.2510063

KEYWORDS: Reflectivity, Light sources and illumination, LED lighting, Transmittance, 3D printing, Light emitting diodes, Optical properties, Optical components, Optics manufacturing, Printing

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Proceedings Article | 2 April 2019 Paper

Characterization of a Power-over-Ethernet (PoE)-based LED lighting system

Indika Perera, Dinusha Thotagamuwa, Jean Paul Freyssinier, Nadarajah Narendran

Proceedings Volume 10940, 109401K (2019) https://doi.org/10.1117/12.2510019

KEYWORDS: Light sources and illumination, Picosecond phenomena, LED lighting, Light emitting diodes, Switches, Palladium, Standards development, Electrical efficiency, Solids, Connectors

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SPIE Journal Paper | 4 April 2018

Thermal characterization of three-dimensional printed components for light-emitting diode lighting system applications

Indika Perera, Nadarajah Narendran, Valeria Terentyeva

OE, Vol. 57, Issue 04, 041411, (April 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.4.041411

KEYWORDS: Light emitting diodes, Thermal effects, 3D printing, Copper, 3D modeling, Resistance, Printing, LED lighting, Light sources and illumination, Aluminum

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Proceedings Article | 6 September 2017 Paper

Opportunities and challenges for 3D printing of solid-state lighting systems

Nadarajah Narendran, Indika Perera, Xi Mou, Dinusha Thotagamuwa

Proceedings Volume 10378, 1037802 (2017) https://doi.org/10.1117/12.2281045

KEYWORDS: 3D printing, Printing, Light emitting diodes, Light sources and illumination, Solid state lighting, Additive manufacturing, Manufacturing, LED lighting, Optical components, Solid state electronics

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Proceedings Article | 7 September 2016 Paper

Remote monitoring of LED lighting system performance

Dinusha Thotagamuwa, Indika Perera, Nadarajah Narendran

Proceedings Volume 9954, 99540I (2016) https://doi.org/10.1117/12.2240463

KEYWORDS: LED lighting, Light emitting diodes, Light sources and illumination, Failure analysis, Buildings, Transmission electron microscopy, Resistance, Thermography, Safety, Lead

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Proceedings Article | 7 September 2016 Paper

Measuring the temperature of high-luminous exitance surfaces with infrared thermography in LED applications

Indika Perera, Nadarajah Narendran

Proceedings Volume 9954, 99540K (2016) https://doi.org/10.1117/12.2240650

KEYWORDS: Light emitting diodes, LED lighting, Thermography, Temperature metrology, Infrared radiation, Imaging systems, Infrared imaging, Silicon, Transmission electron microscopy, Neodymium

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Proceedings Article | 18 September 2014 Paper

Optical and thermal performance of a remote phosphor plate

Xi Mou, Nadarajah Narendran, Yiting Zhu, Indika Perera

Proceedings Volume 9190, 91900Q (2014) https://doi.org/10.1117/12.2063045

KEYWORDS: Light emitting diodes, Thermography, Geometrical optics, Temperature metrology, Magnesium, Infrared cameras, Epoxies, Reflectors, Ray tracing, Near field optics

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Proceedings Article | 18 September 2014 Paper

Mathematical model to analyze phosphor layer heat transfer of an LED system

Indika Perera, Nadarajah Narendran

Proceedings Volume 9190, 91900R (2014) https://doi.org/10.1117/12.2063187

KEYWORDS: Light emitting diodes, Mathematical modeling, Temperature metrology, Thermal modeling, Particles, Absorption, Light scattering, Light sources and illumination, Infrared cameras, Visible radiation

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Proceedings Article | 30 September 2013 Paper

Thermal management of the remote phosphor layer in LED systems

Indika Perera, Nadarajah Narendran

Proceedings Volume 8835, 883504 (2013) https://doi.org/10.1117/12.2023094

KEYWORDS: Heatsinks, Light emitting diodes, Neodymium, Reflectivity, Metals, Temperature metrology, Aluminum, Photons, Thermal effects, Absorption

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Proceedings Article | 30 September 2013 Paper

Accurate measurement of LED lens surface temperature

Indika Perera, Nadarajah Narendran, Yi-wei Liu

Proceedings Volume 8835, 883506 (2013) https://doi.org/10.1117/12.2023091

KEYWORDS: Light emitting diodes, Thermography, Temperature metrology, Infrared imaging, Visible radiation, Absorption, Lead, Infrared cameras, Cameras, Imaging systems

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Showing 5 of 17 publications

Conference Committee Involvement (1)

3D Printing for Lighting

22 August 2023 | San Diego, California, United States

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