Table 1.

Fitting results for the kinetic data in Figs. 2–4 and the corresponding polarization ratios

λexc/nm	1310				1200
Species	β-carotene	Rb. sphaeroides	Rps. acidophila B800–B850	Rps. acidophila B800–B820	Rb. sphaeroides	Rps. acidophila B800–B850	Rps. acidophila B800–B820
τS1/ps	9  ± 0.5	1.9  ± 0.5	7  ± 0.5	6  ± 0.5	3  ± 0.5	7  ± 0.5	7.5  ± 0.5
A/%	100	41	38	34	46	45	46
y0/%	0	59	62	66	54	55	54
Ω	0.84  ± 0.07	0.84  ± 0.04	0.80  ± 0.04	—	—	—	—

OD(t) = y₀ + ; Ω = S_circ/S_lin.