Table 1.

Optical properties of the materials in the 3M 8210 mask

	μa (mm−1)	μs (mm−1)	d (mm)	a	P	T	R0
Outer layer	0.386	1.926	0.98	1.200	1.887	0.208	0.504
Filter	0.222	3.116	1.77	1.071	5.515	0.064	0.682
Inner layer	0.894	4.187	1.05	1.213	4.396	0.035	0.525
Coverweb	1.813	9.044	0.2	1.200	1.809	0.22	0.501
Filter 1	0.510	7.154	0.36	1.071	2.575	0.21	0.633
Filter 2	0.615	8.628	0.41	1.071	3.538	0.14	0.662
Shell	2.016	9.444	0.9	1.213	8.499	0.0021	0.526
Filter 1 + 2	–	–	–	–	–	0.051	0.684