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

<div>(a) Relative shrinkage (%) versus exposure time (s) and (b) absolute shrinkage (<i>μ</i>m) versus exposure time (s) for gratings recorded in DA photopolymer layers with thickness of 45, 90, and 120 <i>μ</i>m using a recording intensity of 1 mW/cm<sup>2</sup>.</div>

Advances in Materials Science and Engineering

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Figure 5

Figure 5: Compositional Changes for Reduction of Polymerisation-Induced Shrinkage in Holographic Photopolymers 