Thermal Investigation of High Power Optical Devices by Transient Testing

Topics:
Electrical and Electronic
Tags:
Device,
Engineering,
Light-emitting Diode,
MicReD
Source:
MicReD

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Overview: In case of opto-electronic devices the power applied on the device leaves in a parallel heat and light transport, the interpretation of Rth is not obvious. The paper shows results of a combined optical and thermal measurement for the characterizations of power LEDs. A model explaining Rth changes at different current levels is proposed. The paper concludes that measuring power LEDs reveals that their thermal behavior depends on the applied power level.

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Format: PDF | Size: 363KB | Date: Oct 2003 | Pages: 6

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