Education Technical Topics

Browse our collection of technical topics, which include a variety of educational and informative subjects.

Articles & Brochures

Browse our collection of technical topics, which include a variety of educational and informative subjects in the form of articles, Acrobat PDF files and more.


Binning & LED

White Paper: What is LED binning, why do it, how to measure color temperature, chromacity and more.


Color Quality and LED

White Paper: Color quality with respect to digital LED lighting, color temperature, CRI and CQS.


LED Photometric Measurement and Efficiency

White Paper: Relative and absolute photometry measurement and standards for LED luminaires.


LED - Life and 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.


Historical Lighting

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.


Environmental Lighting

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.