On: Disinfection with Far-UV (222 nm Ultraviolet light) (2020) [pdf]

[jefftk]

The longest wavelength isn't 222, that's the peak wavelength.

KrCl excimer lamps produce a relatively narrow spectrum as is: https://pubs.acs.org/doi/10.1021/acsphotonics.2c00041

If it turns out we need it to be even narrower, we could put filters on them.