The absorption peaks at the ground state ( B state) of the two samples are all at 562 nm wavelength. At 562 nm wavelength, the optical densities ( OD ) of the samples are about OD (WT1) 562 nm =2 04 and OD (WT2) 562 nm =1 37 respectively.

• 采用的样品基态 (B态 )最大吸收波长均为 5 6 2nm ,光密度分别为OD(WT1) 562nm=2 0 4 ,OD(WT2 ) 562nm =1 37。