Table 2.

Estimated escape efficiency and light output (keV⁻¹) for interactions at the back (z = 0) and front (z = L) of the investigated samples. Light output values are determined by dividing escape efficiency estimates by W = 17 eV

	Back		Front
	$\overline{\mathit{\epsilon }}(0)$	keV−1	$\overline{\mathit{\epsilon }}(L)$	keV−1
FOS 150 HR	0.073	4.3	0.228	13.4
FOS 600 HR	0.069	4.1	0.207	12.2
FOS 200 HL	0.222	13.1	0.313	18.4
FOS 600 HL	0.201	11.8	0.311	18.3
FOS 1000 HL	0.176	10.4	0.293	17.2
GPXS 200	0.600	35.3	0.810	47.6
GPXS 600	0.575	33.8	0.814	47.9
GPXS 1000	0.501	29.5	0.884	52.0