SOLVED: Red laser is illuminating three sets of single-slits, one after another: The wavelength of a laser is 633 nm; the widths of slits are: 1500 nm; 900 nm; 600 nm. Which
1260nm Laser Diode, 1.5W Output Power
LASEmaR® 1500 - Eufoton
LASER TREE 530nm 1500mW High Power Green Laser Diode with FAC Square