Table 1.

Summary of Fluorophore Photostates and Associated Photoemission Rates

FRET	molecule state sn	donor photostate $f_n^{\text{D}}$	acceptor photostate $f_n^{\text{A}}$	donor photoemission rate contribution	acceptor photoemission rate contribution
yes	σm	1	1	${\lambda }_{{\sigma }_m}^{\text{D}}$	${\lambda }_{{\sigma }_m}^{\text{A}}$
no	σm	0	1	none	none
no	σm	1	0	λS	none
no	σm	0	0	none	none