Greenhouses and Light Pollution

Greenhouses and Light Pollution

Supplemental electric lighting for greenhouses may be essential for extending the growing season in northern climates, but it comes with a not-so-hidden cost: environmental light pollution. The consequences of this pollution may range from irate neighbours in rural...

Going Green – Lighting Designing for Horticulture

SunTracker Technologies Senior Scientist, Ian Ashdown, will be presenting at the upcoming IES Toronto Section on Feb 17, 2021 “Going Green – Lighting Designing for Horticulture” Synopsis Ian Ashdown, P. Eng. (Ret.), FIES The future of food security in Canada is in...

Ian Ashdown Guest Lectures at Carnegie Mellon University

Ian Ashdown, SunTracker’s Senior Scientist is honoured to be a guest lecturer on February 24, 2021 at Carnegie Mellon University. This course is funded by Illuminating Engineering Society. ies.org/lda/the-nuckolls-fund-distributes-230000/ Nuckolls Fund Grants: 20,000...

Viral Misinformation

SunTracker Technologies Senior Scientist Ian Ashdown's article “Viral Misinformation”, has been featured on Inside Lighting Let’s Address Some Viral Misinformation False claims about UV-C seep into mainstream media....

Spherical Irradiance and Aerosols

Spherical Irradiance and Aerosols

Lighting designers will be familiar with the illuminance of a planar surface, which is measured in lumens per square meter (or foot). The irradiance of a planar surface by a germicidal radiation source is conceptually the same, except that it is measured in watts per...

Designing an Ultraviolet-C Disinfection System

Designing an Ultraviolet-C Disinfection System

There is a newcomer on the block that has gained considerable media attention: far-ultraviolet excimer lamps. Recent medical studies have indicated that, unlike 254 nm radiation, the 207 nm and 222-nm “far-UV” radiation emitted by excimer lamps is likely harmless...

What is Ideal Light?

VIRTUAL | February 1–4, 2021 | FREE REGISTER NOW You don’t want to miss SunTracker Technologies’ Senior Scientist, Ian Ashdown as he discusses ‘What is Ideal Light?” alongside a panel of other industry experts.2021 Lighting R&D WorkshopJoin the U.S. Department of...

Ultraviolet Radiation Terminology

Ultraviolet Radiation Terminology

Do the terms we use really mean what we think they mean? Could we be describing them more accurately? In Ultraviolet Radiation Terminology, SunTracker Technologies' Senior Scientist, Ian Ashdown dares to get pedantic about how we describe ultraviolet radiation....

“What is Ideal Light?” Lighting R&D Workshop

You don’t want to miss SunTracker Technologies’ Senior Scientist, Ian Ashdown as he discusses ‘What is Ideal Light?” alongside a panel of other industry experts. 2021 Lighting R&D Workshop Join the U.S. Department of Energy and the Illuminating Engineering Society...

Ultraviolet Radiation and Viral Misinformation

Ultraviolet Radiation and Viral Misinformation

“Perfectly reasonable and valid scientific information is endlessly repeated and distorted from paper to press release to mass media articles” https://www.allthingslighting.org/index.php/2021/01/04/ultraviolet-radiation-and-viral-misinformation/

COVID-19 – A Message from SunTracker

The novel Coronavirus COVID-19, the associated health of friends and family is at the forefront of everyone’s thoughts at this time. We are taking efforts to protect our clients, research partners, and our team. Our goal is to ensure a healthy environment for all. As such, our team will continue to work remotely to serve our clients and research partners virtually, and we will continue to operate online and through other media. Technical support will be unchanged as we adopt to the realities of increased self isolation and potential quarantine. You may continue to contact us through email and telephone, and we will respond accordingly.

If you have questions please contact our VP Communications and Marketing:

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SunTracker’s Senior Scientist, Ian Ashdown’s

Blog Website: AllThingsLighting.org