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Appl Opt. 2006 Apr 1;45(10):2265-72.

Designing light-emitting diode arrays for uniform near-field irradiance.

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Facultad de Fisica, Universidad Autonoma de Zacatecas, Mexico.


We analyze the first-order design of light sources consisting of multiple light-emitting diodes (LEDs) to uniformly illuminate a near target plane by considering each single LED as an imperfect Lambertian emitter. Simple approximate equations and formulas are derived for the optimum LED-to-LED spacing, i.e., the optimum packaging density, of several array configurations to achieve uniform near-field irradiance.


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