Browsing by Author "Muslu, Ahmet Mete"
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A comparative study for the junction temperature of green light-emitting diodes
Özlük, Burak; Muslu, Ahmet Mete; Arık, Mehmet (IEEE, 2019-10)Solid-state lighting devices offer a wide variety of color options applicable for general and automotive lighting, various display systems, and a number of niche applications. As they get smaller, generated heat fluxes ... -
Enhanced thermal performance of high flux led systems with two-phase immersion cooling
Cengiz, Ceren; Muslu, Ahmet Mete; Arık, Mehmet; Doğruöz, B. (IEEE, 2020)Considering significant worldwide use of electricity for general lighting, the implementation of energy efficient technologies is highlighted in many platforms with the use of light emitting diodes (LEDs). Because of its ... -
Impact of electronics over localized hot spots in multi-chip white LED light engines
Muslu, Ahmet Mete; Arık, Mehmet (IEEE, 2019)In recent years, demand towards high power white LEDs has risen significantly covering a wide range of application areas. While many industries prefer more light extraction using less number of LED chips on their luminaires, ... -
Impact of junction temperature over forward voltage drop for red, blue and green high power light emitting diode chips
Muslu, Ahmet Mete; Özlük, Burak; Tamdoğan, Enes; Arık, Mehmet (IEEE, 2017)Commercially available light emitting diodes (LEDs) that have high efficiencies and long lifetime are offered in advanced packaging technologies. Many cooling systems were developed for current LED systems that enable a ... -
An investigation into the optothermal behavior of a high power red light emitting diode: impact of an optical path
Monochromatic light emitting diodes (LEDs) are getting more attention day by day for a very wide range of applications such as general lighting, signage, automotive lighting, display, water purification, and skin imaging. ... -
A novel approach for identification of thermal and optical characteristics for the active layer of high power photonic devices
Muslu, Ahmet Mete (2019-12)A vast amount of electricity consumption for general lighting, the implementation of energy efficient technologies is highlighted in many platforms with the use of light emitting diodes (LEDs). Because of its environmentally ... -
Rapid heating and cooling chamber for a photonics junction measurement system
Tarçın, Hüseyin Gökberk; Saygın, Alper; Muslu, Ahmet Mete; Budakli, M.; Arık, Mehmet (IEEE, 2020)Since many industrial applications require heat treatment processes or validation tests under certain ambient temperatures, thermal design is a key issue to be considered in order to ensure fast heating and cooling ...
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