Binning & LED
White Paper: What is LED binning, why do it, how to measure color temperature, chromacity and more.
Color Quality & LED
White Paper: Color quality with respect to digital LED lighting, color temperature, CRI and CQS.
LED Photometric Measurement & Efficiency
White Paper: Relative and absolute photometry measurement and standards for LED luminaires.
LED - Life & Depreciation
White Paper: IES Standard LM80 and measuring service life and depreciation for LED systems.
Refractor Materials Used in Outdoor Luminaires
Images and article by R.A. Peterson, PE, on the refractor materials used in outdoor luminaires.
Learn more about how and why period/historical-style lighting is so popular and effective for many municipalities.
Luminaire Dirt Depreciation
White Paper: Review the issue of luminaire dirt depreciation as it relates to luminaire design and construction.
White Paper: Review the various cutoff classifications as they pertain to night-sky-friendly outdoor lighting.
Lighting the Great Out-of-Doors for Functionality and Effect
Article: Defining lighting objectives to create an environment and dramatic effect in your outdoor applications.
Glass vs. Plastic Reflectors
Article: Learn the pros and cons of specifying glass vs. plastic reflectors in your luminaires.
Effectively Lighting Wastewater & Water Treatment Facilities
Article: Understand the unique lighting challenges of a demanding environment for a safe and efficient solution.