Assertion: class laser | /r/HasProperty | pulsed lasers
Facets:
value: repetitively
type: MANNER
Source sentences:
text: Class 2 lasers are CW and repetitively pulsed lasers with wavelengths between 0.4 µm and 0.7 µm that can emit energy in excess of the Class 1 AEL, but do not exceed the Class 1 AEL for an emission duration less than 0.25 seconds and have an average radiant power of 1mW or less.