Compositional Changes for Reduction of Polymerisation-Induced Shrinkage in Holographic Photopolymers

Table 4

Data from double exponential fit of relative shrinkage versus exposure time for BEA-doped AA photopolymer.

Nanoparticle concentration (% wt.)	(%)		(s)		(s)
0	3.40 ± 0.05	1.2 ± 0.1	9.50 ± 0.02	2.4 ± 0.1	62.50 ± 0.02
1	3.15 ± 0.04	1.2 ± 0.3	2.70 ± 0.09	2.69 ± 0.04	55.50 ± 0.01
2.5	2.94 ± 0.04	1.4 ± 0.5	2.2 ± 0.1	2.50 ± 0.04	50.00 ± 0.01
5	3.34 ± 0.05	0.9 ± 0.2	4.30 ± 0.08	2.70 ± 0.07	58.80 ± 0.01