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Using our rapid prototyping technology called Deep Proton Writing (DPW), we have in recent years made a
wide range of micro-optical components with a large depth (500-μm) for a variety of applications. One of these
components is a pluggable out-of-plane coupler for printed circuit board-level optical interconnections. Whereas
DPW is capable of rapidly fabricating high-quality master components, the technology is not suitable for low-cost
mass fabrication. Therefore, we investigate the replication of
out-of-plane coupling components using hot
embossing, through the fabrication of a metal mould of the DPW master by applying electroplating. We compare
these hot embossed replicas with components replicated using the elastomeric mould vacuum casting technology.
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J. Van Erps, M. Wissmann, M. Guttmann, M. Hartmann, L. Desmet, C. Debaes, J. Mohr, H. Thienpont, "Replication of deep micro-optical components prototyped by Deep Proton Writing," Proc. SPIE 6992, Micro-Optics 2008, 699209 (14 May 2008); https://doi.org/10.1117/12.779293