M squared

https://www.wikidata.org/wiki/Q850928

Field Hierarchy

Parent
Physics 33.4M papers	Quantum mechanics 13.5M papers	Optics 8.2M papers	Laser 1.3M papers
Laser beams 56.5k papers	Laser beam quality 20.9k papers	Beam diameter 8,303 papers
Current
M squared 4,307 papers
Child

Trends

Notes

History