I use a deuterium light source to determine the absorption effectiveness of UV safety glasses and sunscreen, as well as common transparent materials.

Another interesting application of sunscreen, UV, and visual indicators:
   • Flashing Light Prize 2018 - Sunscreen...  

References for CIE erythema action spectrum:
https://en.m.wikipedia.org/wiki/Ultra...
http://sci-hub.tw/10.1039/C1PP05271C

https://pubs.rsc.org/en/content/artic...

https://en.wikipedia.org/wiki/Deuteri...
https://en.wikipedia.org/wiki/Emissio...

http://www.aseq-instruments.com/

https://www.ebay.com/itm/Fused-quartz...

https://www.amazon.com/gp/product/B00...

  / appliedscience