Using the Figure demonstrates absorption and emission characteristics of R6G, estimate the shortest wavelength that can lase in the R6G dye laser, assuming that two-thirds of the dye molecules are pumped into the excited singlet state S1. a) and (2) 2.8 2.4 2.0 1.6 of 0.8 0.4 0 T (2) x 1020 m 460 I 500 540 580 Wavelength (nm) (2) x 1022 m 620 (2) x 1020 m I() x 107 m 660 (2) 1020 m 700