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

Figure 6

Relative shrinkage (%) versus exposure time (s) for gratings recorded in 45, 90, and 120 μm DA photopolymer layers using a recording intensity of (a) 5 mW/cm² and (b) 10 mW/cm².

(a)

(b)