Title :
Confocal thermoreflectance for spatially resolved surface thermography of transparent LEDs
Author :
Summers, Joseph A. ; Hudgings, Janice A.
Author_Institution :
Phys. Dept., Mount Holyoke Coll., South Hadley, MA, USA
Abstract :
We report on the use of confocal thermoreflectance for accurate surface temperature measurement of transparent LEDs. Confocal thermoreflectance effectively suppresses light from beneath the LED surface, compared to widefield measurements, for a red GaP LED.
Keywords :
III-V semiconductors; gallium compounds; infrared imaging; light emitting diodes; temperature measurement; thermoreflectance; GaP; confocal thermoreflectance; surface temperature measurement; surface thermography; transparent LED; Charge coupled devices; Light emitting diodes; Microscopy; Optical materials; Optical refraction; Optical surface waves; Reflectivity; Spatial resolution; Temperature measurement; Thermoreflectance imaging; (110.6820) Thermal imaging; (230.3670) Light-emitting diodes;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
