Lumileds today introduced an online calculator that fixture manufacturers can use to more quickly optimize the design of their grow lights. The calculator allows the user to input various LED combinations and operating conditions to generate the spectral power distribution, photosynthetic photon flux (PPF), and power usage of a fixture using Lumileds LUXEON SunPlus Series LEDs. Designed to allow easy modifications of LEDs and operating conditions, the calculator facilitates fixture design by generating real-time feedback on spectral power distribution. Lumileds LUXEON SunPlus Series of LEDs are the only horticulture LEDs on the market that are binned by PPF and wavelength to ensure ease of system design and enable wavelength tuning for maximum crop yield in both greenhouse and vertical farming environments.