Research Article
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/cm2) | 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 |
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