Table 2.

Optical properties of polyamides 46–51

Polym. no	λabs (nm)	ε (M−1 cm−1)	λem (nm) (λex at 275 nm)
46	267	53,900	346, 413 (sh), 550
47	265, 312 (sh)	68,600	346, 433, 550
48	266, 331 (sh)	57,900	346, 410, 550
49	275	59,100	346, 454 (sh), 550
50	275, 328 (sh)	50,000	346, 450, 550
51	275	62,700	346, 428 (sh), 550