olemus
(a) pikalaineline ultraviolettkiirgus (UVA)
= long-wave (UV-A) ultraviolet light
(b) UVA-kiirgust tekitav Woodi lamp
= Wood's lamp, a lamp that emits long-wave (UV-A) ultraviolet light and very little visible light

ülevaateid
https://en.wikipedia.org/wiki/Blacklight

rakendusi
1) rahatähtede, dokumentide, maalide autentsuse kontroll
2) fluorestseeruvate ainete tuvastamine

näiteid
https://www.thoughtco.com/what-glows-under-a-black-light-607615
https://glowtec.co.uk/about-blacklight/