Laser Makes Low-Cost Polymer Waveguides for Lab-on-a-Chip Devices

A novel method for fabricating poly-dimethylsiloxane (PDMS) waveguides using low-power laser etching could make it easier and less expensive to incorporate optical sensing onto lab-on-a-chip devices. The PDMS waveguides can be easily integrated into lab-on-a-chip devices made of the same material.

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