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

Table 3

and relative shrinkage for the AA and DA photopolymers.

Exposure energy (mJ/cm^2)	AA		DA
	η (%)	Relative shrinkage (%)	η (%)	Relative shrinkage (%)
25	31.5	0.6	26.5	0.9
50	59.1	1.2	51.8	1.5
100	77.8	1.7	72.4	1.7
150	83.5	2.0	78.7	1.7
200	83.6	2.3	80.8	1.7